ch

The development, which employs 27,000, has spawned a nearby minicity of shopping centers, a golf course, a racetrack and 6,200 houses. http://louis-j-sheehan.com/
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More than 300 of the homes are high-priced models in gated communities.

Railroads have found friends among environmentalists, who see moving freight by train rather than truck as a way to reduce fuel burning and emissions. Method Products Inc., a San Francisco maker of nontoxic home and personal-care products, says it plans to use rail for 50% of its shipments this year, up from 33% in 2007. "We view rail as a solution to lower our greenhouse-gas emissions," says Jason Bowman, the firm's global logistics manager.

States Climb Aboard

States have also started to climb aboard. In a 2002 report, the American Association of State Highway and Transportation Officials said transportation capacity could be increased more cheaply in some intercity corridors by adding railways rather than expanding highways.

Norfolk Southern is seeking public funding to accelerate rail-corridor projects, arguing that they provide a public benefit by limiting fuel use, traffic congestion and air pollution. The idea is gaining backers. Virginia created a rail-enhancement fund in 2005 from car-rental fees and is spending $40 million to improve a Norfolk Southern freight line in the state. The railroad industry is urging Congress to pass a railroad investment tax credit to fund rail improvements.

Many old lines need work. Norfolk Southern's most direct route to the Midwest from the docks of Norfolk, Va., has tunnels high enough for coal trains. But they are too low for double-stack trains, which haul shipping containers one above the other. Norfolk Southern has begun a three-year, $260 million project to raise the height of 28 tunnels on the route, which it has renamed the Heartland Corridor.

Norfolk Southern's most ambitious project is the Crescent Corridor, a network of tracks between the New York City area and New Orleans. The company touts the corridor as a cheaper and more environmentally friendly alternative to widening highways such as Interstate 81, which runs through Virginia's scenic Shenandoah Valley.

Trucks make four million to 4.5 million trips annually along I-81 in Virginia, according to the Virginia Department of Transportation. Norfolk Southern envisions a route with enough speed and capacity to displace about a million truck trips a year. It is seeking funding for most of the $2 billion project from the U.S. government and states along the corridor.

Tim Lynch, an executive of the American Trucking Associations in Arlington, Va., says it's "folly" to think rail corridors can take the place of additional highways. "You need to do both, because you have growth in freight traffic that will keep both modes busy," he says.

Work continues on the Meridian Speedway between Meridian and Shreveport. Kansas City Southern bought the line in 1994 as a shortcut for freight moving between Los Angeles and Atlanta, bypassing crowded gateways in Memphis, Tenn., and New Orleans. The railroad began to improve the line, at one point easing a hilly curve near the river town of Vicksburg, Miss., that for years hampered Mr. Keith and other engineers when trains stalled there.

Additional Overhauls

Two years ago, Norfolk Southern agreed to contribute more than $300 million for additional overhauls in exchange for a 30% stake in the Speedway. The money has helped replace tracks and install a signal system on a line that had none. It allowed construction of sidings so trains can pass each other in more places.

Union Pacific uses the Speedway for a leg of a longer run that begins near the ports of Los Angeles and Long Beach, Calif. Improvements on the line have enabled Union Pacific to launch a new train packed with Asian goods that can cross the Southern U.S. in 72 hours, down from the 120-hour service it offered in past years. http://louis-j-sheehan.com/
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Such numbers translate into big savings for railroads, which figure that each mile per hour of speed they can add systemwide translates into fewer cars, locomotives and crew members.

Mr. Keith says his trips between Meridian and Vicksburg now take six or seven hours, compared with 11 or 12 before the upgrades. He says he saved 30 minutes on a recent run by pulling onto a newly lengthened siding in Meehan, Miss., to pass another train.

Mr. Keith says the work will clear the Speedway to handle more and faster trains. "I love it," he says. "It guarantees me work stability."



Marsh & McLennan Cos.' fourth-quarter profit fell 62% as weakness continued in its insurance-brokerage business.

Marsh, one of the world's largest insurance brokers, reported net income of $85 million, or 16 cents a share, as revenue increased 8.1% to $2.93 billion.

Earnings in Marsh's risk-and-insurance business fell 54%, which the company blamed on a revenue drop at its Risk Capital Holdings that cut per-share earnings by eight cents. http://louis-j-sheehan.net/
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The risk-and-insurance segment's operating margin, which has severely trailed Marsh's rivals, slumped to 4.2%.

Marsh also reported that profit in its consulting firms rose 38% on a 19% revenue increase.

The company hired a chief executive last month and fired the head of its insurance-brokerage unit in September over rising expenses, poor operating margins and weak revenue in the segment. Competitors such as Aon Corp. and Willis Group Holdings Ltd. are outflanking Marsh in the insurance business, and speculation on an asset sale or merger abounds as investors try to discern how new CEO Brian Duperreault will right the ship.

Pricing is an issue that has been of paramount concern to insurers of late. The current profit equation must factor how low to price policies so as to attract customers less concerned with risk in a time of fewer disasters.

Shares of Marsh & McLennan were up 69 cents, or 2.7%, to $25.99 in 4 p.m. trading on the New York Stock Exchange.


Since taking over in 2005 as American International Group Inc.'s chief executive, Martin Sullivan has pushed the big insurer to be transparent, hoping to move past the accounting scandal that helped get him the top job.

Suddenly, though, analysts and investors are trying to assess the significance of a new accounting problem that has put Mr. Sullivan in an awkward spot: the "material weakness" that AIG's auditor found relating http://louis-j-sheehan.com/
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to exposure to subprime-linked securities.

So far, Wall Street seems willing to cut him some slack -- but patience is limited. After sinking to a five-year low Monday, AIG shares rose 3.1%, or $1.40, yesterday to $46.14 in 4 p.m. composite trading on the New York Stock Exchange.

The scope of the accounting problems appears far narrower than those that swamped the insurer in 2005 and led to the exit of longtime leader Maurice R. "Hank" Greenberg. It also helps AIG that so many other financial companies are wrestling with the valuations of their own subprime exposures.

Still, the current situation could become more painful, especially if AIG has to keep on valuing its exposures in the same way going forward. The change the company announced Monday increased the size of its write-down for a single month, November, by $3.6 billion.

For the full fourth quarter, Goldman Sachs analyst Thomas Cholnoky estimated in a research report yesterday that AIG may be forced to write down $10 billion for those exposures. AIG hasn't announced when it will report quarterly results, but it has until Feb. 29 to file its annual report.

"The estimated market values are having a real-world impact in that they reduce reported earnings, they reduce reported shareholders' equity," says Bruce Ballantine, an analyst at Moody's Investors Service. They also could reduce the company's financial flexibility "to some extent."

Yesterday, both Moody's and Standard & Poor's said they revised their outlook on AIG downward to "negative" from "stable." Among the things S&P said could trigger a downgrade is "if accounting losses are sufficiently large to cause market issues for the company." It added that a downgrade could follow if it determines the material weakness is "significant."

The hit to AIG's credibility was severe not just because of the size of the change in the expected write-down but because analysts and investors found the company's explanation of what caused the increased loss to be difficult to decipher.

At issue for AIG is the valuation of a portfolio of what are essentially insurance contracts that the company sold, known as credit default swaps.

The swaps serve as credit protection on, among other things, $62.4 billion in collateralized debt obligations, or CDOs, backed by collateral that includes subprime mortgages.

The key question now: How to value that portfolio? These kinds of highly specialized instruments aren't traded even in normal circumstances, making them hard to price. Valuing them becomes more difficult when the market for the securities and assets they're linked to is in the kind of distressed situation that currently exists.

A Look in the Pool

Analysts believe AIG originally valued these contracts by looking to prices supplied for a pool of CDOs, among other factors. The company then adjusted these values based on indexes that track subprime securities, analysts surmise.

But AIG didn't directly apply the loss implied by a fall in CDO values because the contracts it had written tend to trade at a premium to the instruments they are insuring. http://louis-j-sheehan.com/
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AIG held these contracts, not the underlying CDOs.

AIG's auditor, PricewaterhouseCoopers LLP, appears to have taken issue with the process. That prompted AIG to use market prices of CDOs, which in many cases are considered to be at fire-sale levels, rather than values for a pool of CDOs. In addition, the insurer eliminated the premium that typically applies to the value of the insurance contracts. That was done because it said market conditions had become too uncertain to calculate this.

The moves seem designed to make AIG's valuation place greater weight on market factors that immediately affect the value of the company's contracts. AIG's models seemed to place less emphasis on this and greater weight on the fact that the company doesn't believe it will ultimately suffer losses related to the contracts.

Yesterday, http://louis-j-sheehan.net/
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AIG drew a distinction between whatever losses it records based on the current value of the portfolio (an estimate of what someone would pay to take the risk off AIG's hands) and what it may actually have to pay to fulfill its obligations under the contracts.

In a statement, the company said it believes any losses "will not be material."

That calmed investors a bit. "That was a minorly helpful statement," says Ed Walczak, who runs the U.S. value funds for Vontobel Asset Management Inc., which has 3.5% of its $350 million holdings in AIG. As for the company's overall situation, "the grounds are still changing," Mr. Walczak adds.

Still, the wording of yesterday's statement varied slightly from AIG's statement last fall that it was "highly unlikely" the company would http://louis-j-sheehan.net/
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have to "make payments" on the portfolio, Kathleen Shanley, an analyst at Gimme Credit, noted in a report yesterday.

Meaning of 'Not Material'

"'Not material' can still be a pretty big number when you are talking about a firm the size of AIG," Ms. Shanley wrote. "And investors are right to wonder if the next step on the slippery slope will be from 'not material' to 'material,' especially considering that AIG has not yet finalized its year-end numbers."

In response, a spokesman for AIG said of the prospect of any losses: "We would say it's slightly less than 'highly unlikely,' simply because of further deterioration in the default frequency of underlying mortgages." But if there were any losses, he added, "they would be immaterial" to the company's income statement or balance sheet.

Write to Liam Pleven at liam.plev



St. Jude Medical, Inc. (NYSE:STJ) announced it has received an Investigational Device Exemption (IDE) from the U.S. Food and Drug Administration (FDA) to begin enrollment in a controlled, multi-site, blinded, clinical study of deep brain stimulation for major depressive disorder, a severe form of depression.

The BROADEN™ (BROdmann Area 25 DEep brain Neuromodulation) study will http://louis-j-sheehan.com/
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evaluate the safety and effectiveness of deep brain stimulation in patients with depression for whom currently-available treatments are not effective. The study will build upon the pioneering depression work of a research team from the University of Toronto, led by neurologist Helen S. Mayberg, M.D. (now with Emory University School of Medicine), and neurosurgeon Andres Lozano, M.D.

"Major depressive disorder is severely disabling," said Dr. Lozano. "Currently, there are no widely-accepted treatment options for patients with this condition once multiple medications, psychotherapy and electroconvulsive therapy have failed."

Drs. Mayberg and Lozano conducted the first study of deep brain stimulation (DBS) for depression in Toronto, Canada, in 2003 and published their findings in Neuron in March 2005. As reported in this journal article, imaging studies led them to an area of the brain thought to be involved in depression called Brodmann Area 25. This area appears to become overactive when people are profoundly sad and depressed.

St. Jude Medical owns the intellectual property rights and has various patents pending for the use of neurostimulation at Brodmann Area 25. The Libra® Deep Brain Stimulation System, which is being evaluated in this study, is designed to deliver mild electrical pulses from a device implanted near the collarbone and connected to small electrical leads placed at specific targets in the brain.

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more than 21 million adults suffer from some kind of depressive disorder, according to the National Institute of Mental Health. Of these, only about 80 percent can be effectively treated with currently available therapies, according to the National Advisory Mental Health Council. Unfortunately, that means approximately 4 million adult Americans live with depression that does not respond to medications, psychotherapy and, in certain cases, electroconvulsive therapy.

"St. Jude Medical is dedicated to researching and developing neuromodulation therapies for people who live with conditions such as severe depression," said Chris Chavez, president of St. Jude Medical's ANS Division. "We are hopeful that this trial will lead to the successful development of a sustainable therapy for those patients who have exhausted other treatment options."

About St. Jude Medical

St. Jude Medical is dedicated to making life better for cardiac, neurological and chronic pain patients worldwide through excellence in medical device technology and services. The Company has five major focus areas that include: cardiac rhythm management, atrial fibrillation, cardiac surgery, cardiology and neuromodulation. Headquartered in St. Paul, Minn., St. Jude Medical employs approximately 12,000 people worldwide. For more information, please visit http://www.sjm.com.

About the ANS Division of St. Jude Medical

The ANS Division (Advanced Neuromodulation Systems) became a part of St. Jude Medical in 2005. The ANS Division is an innovative technology leader dedicated to the design, development, manufacturing and marketing of implantable neuromodulation systems to improve the quality of life for people suffering from disabling chronic pain and other nervous system disorders (http://www.ans-medical.com).

Using a cosmic magnifying glass to peer into the deepest reaches of space, two teams of astronomers have discovered tiny galaxies that may be among the most distant known. Images suggest that one of the galaxies is so remote that the light now reaching Earth left this starlit body when the 13.7-billion-year-old universe was only about 700 million years old.


LONG AGO, FAR AWAY. Gravity of the cluster Abell 1689 acts as a gravitational lens, http://louis-j-sheehan.net/
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bending into arcs and magnifying the light from remote background galaxies. One galaxy appears so remote that it doesn't show up in visible light but only in the infrared.

The discoveries are important, notes Tim Heckman of Johns Hopkins University in Baltimore, because they probe a special time in the universe, when the cosmos changed from a place filled with neutral gas to a place ionized by the emergence of the first substantial population of stars and black holes. Studies of distant galaxies help pinpoint when that critical era happened.

All of the galaxies are so small that even the keen eye of the Hubble Space Telescope couldn't have spotted them without nature providing a gravitational assist. According to Einstein's theory of general relativity, a massive foreground body acts like a lens, bending and magnifying light from a more remote galaxy that lies along the same line of sight to Earth.
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That's why Garth Illingworth and Rychard Bouwens of the University of California, Santa Cruz and their colleagues went hunting for distant galaxies around a nearby cluster of galaxies called Abell 1689.

The cluster's gravity distorts images of background galaxies, bending them into arcs and magnifying their brightness. One of these galaxies proved especially intriguing because it appeared bright at several infrared wavelengths recorded by Hubble but disappeared in visible light.

That's a sign that the galaxy, dubbed A1689-zD1, is both extraordinarily distant and youthful. The data also indicate that the galaxy forms stars at a rate equivalent to five suns a year, typical of the small galaxies thought to be common in the early universe, says Bouwens.

The researchers don't have a spectrum for the galaxy and therefore can't be sure of its distance, but they calculate in an upcoming Astrophysical Journal paper that the galaxy most likely lies 13 billion light-years from Earth and has a redshift of 7.6. That redshift signifies that cosmic expansion has stretched the wavelengths emitted by the galaxy by a factor of 8.6.

"The reason we are excited about this [galaxy] is that we can look at it in great detail because of the factor of 10 gravitational amplification by the foreground cluster," Bouwens says. A1689-zD1 is the brightest known galaxy that's likely to be extremely distant, his team notes.
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The Hubble images show several dense clumps, each containing hundreds of millions of stars. Follow-up images, taken at longer infrared wavelengths with NASA's Spitzer Space Telescope, provide additional evidence that the galaxy is remote and also yield a more accurate measurement of the galaxy's mass.

"It looks pretty convincing" that A1689-zD1 is remote, but proof may require spectra taken by Hubble's proposed successor, the James Webb Space Telescope, Heckman says.

In searching for distant galaxies, a second team, which includes Richard Ellis and Johan Richard of the California Institute of Technology in Pasadena, also surveyed several galaxy clusters. The team found evidence of six distant galaxies, which may lie between 12.9 billion and 13.1 billion light-years from Earth, Richard reported this week at an astrophysics meeting at the Aspen Center for Physics in http://louis-j-sheehan.net/
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Colorado. Because the galaxies don't appear as bright—the clusters magnify them by a factor of only two to four—astronomers have less information about these faint bodies than about A1689-zD1, Richard notes.



At first, it may seem like a treat to stay up late—but the next day will be no picnic. There'll be yawning, heavy limbs, and a cranky disposition.

At times like these, the desire to sleep can feel overwhelming.

And it should.

Growing kids need sleep, as do people of all ages. Indeed, research shows that health and safety both suffer when we try to get by with too little shut-eye. So it's fortunate that our bodies do such a good job of alerting us when it's time to hit the sack.

Like people, other animals also take time out to rest. You've probably seen a lion dozing at the zoo, or maybe watched your dog snooze away, curled up in its bed. In fact, sleep is a necessity for every animal that's ever been studied. This includes whales, octopuses—even fruit flies.
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How long animals slumber, though, varies widely. Elephants and giraffes sleep only about 2 to 4 hours a day, while bats and opossums may nod off for up to 20 hours. By studying similarities and differences in when and how long various animals sleep, researchers hope to better understand why the need for rest is critical to creatures throughout the animal kingdom.

Getting sleepy? Yawning is just one trait we share with many animals that are tired.

Getting sleepy? Yawning is just one trait we share with many animals that are tired.

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What is sleep?

It's obvious what your mom means when she says it's time to go sleep, But how do scientists describe this restful period? When we sleep, our eyes usually close and we lose consciousness. You might even think that your brain shuts down. But it doesn't.

By attaching sensors to the surface of a sleeper's scalp, researchers can listen in on patterns of electrical waves within the brain. Such measurements show that the patterns of these waves change throughout the night as the body alternates between two types of sleep.

In the first type, brain activity slows as the body enters an especially deep sleep. In the second type, known as rapid-eye movement (REM) sleep, our eyes flutter rapidly under their lids (hence the name)—and our brains become almost as active as they are when we're awake. http://louis-j-sheehan.com/
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This period is also when we dream.

Unlike reptiles, amphibians, and fish, all land mammals and birds experience this type of resting. "REM sleep is quite a mystery," says Jerome Siegel, who studies slumber in animals at the University of California, Los Angeles. Researchers don't know why people or any other animals do it.

One thing REM-sleeping animals have in common, though, is that they're all relatively intelligent. Researchers wonder if the need for REM sleep, with its buzzing brain activity, has something to do with that.
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The need for sleep is important, which is why many animals—including cats and dogs—grab a nap when there's little need for activity.

The need for sleep is important, which is why many animals—including cats and dogs—grab a nap when there's little need for activity.



"We have always joked and used the term 'birdbrain' to indicate that somebody's stupid," says Niels Rattenborg, who studies bird sleep at the Max Planck Institute for Ornithology in Starnberg, Germany. But birds are better at certain intelligence tests than are some mammals, so perhaps "birdbrain" should be considered a compliment, he says.

On the other hand, Siegel has found that the duck-billed platypus, which isn't a particularly brainy animal, has "spectacular" REM sleep—twitching its bill and legs throughout this stage. And some of the smartest animals—dolphins and whales—experience no REM sleep. So its purpose remains a puzzle.



That's not the only baffling thing about the sleep habits of dolphins and whales. A second mystery is that just half of their brain dozes—and one eye closes—at a time. Keeping partly alert may be one way that these mammals protect themselves in the open ocean, Siegel says: "They have no safe place to sleep."

Ducks do something similar. When sleeping together, the birds on the edge of the group slumber with the outside eye open and half of their brain awake—presumably to keep watch while the other half of their brain snoozes.
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Some birds may even sleep while flying. Rattenborg's team has designed instruments to attach to birds that spend most of their life in flight. Using these tools, the scientists will measure the birds' brain waves as the animals fly, looking for signs that they might nap in the air.

The fact that all animals make time for sleeping, even under potentially dangerous circumstances, suggests that sleep must serve a crucial function. And indeed, some evidence suggests that sleep is essential for learning and forming permanent memories.

But sleep may also be primarily a way for animals to save energy and stay out of harm's way, Siegel says. This may help explain why meat-eating critters sleep more than herbivores, which are animals that dine solely on plants. Herbivores like cows and zebras need to spend more time searching for and grazing on food than do meat eaters, such as lions and other big cats. A lion that has just fed on an antelope won't have to eat again for several days. So a big cat might be better off snoozing for a spell after it eats, rather than prowling around and risking injury. http://louis-j-sheehan.de/
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Top predators, like this polar bear, may slumber for a long time after a major meal.

Top predators, like this polar bear, may slumber for a long time after a major meal.


But that's just an educated guess, really, based on a growing number of observations. Scientists need to study the animals they've already looked at in greater detail. And they need to study other animals as well before they can fully understand the benefits of sleep and identify which benefits are most important for a particular species.
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One thing is certain: ample slumber is essential to health and learning. So give in when a strong urge to sleep hits, and catch plenty of ZZZ's.




Jupiter’s twin found… 60 light years away!Triple asteroid amateur imageDid salt lick Martian life?AstroShaqCarnival of Space 41XKCD has SETI’s numberGLAST’s rocket arrives at CapeJupiter’s twin found… 60 light years away!
Astronomers have just announced that they have found a near twin of Jupiter orbiting the star HD 154345, a fairly sunlike star about 60 light years away. This is very cool news, and has some pretty big implications for finding another Earth around some distant star.
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Finding a planet like this isn’t as easy as it sounds! Finding planets with the same mass as Jupiter isn’t hard; many have been found with even lower mass. The hard part is finding one that is orbiting a sun-like star at the same distance Jupiter orbits our Sun. The closer in a planet is to its star, the easier it is to find: the method used measures how hard the planet’s gravity tugs on its parent star as it orbits; the planet pulls the star around just like the star pulls the planet, and we see this as a change in the velocity of the star toward and away from us (called the radial velocity; Wikipedia has a nice animated GIF for this), and that effect gets bigger with bigger planets, and the closer they orbit.
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superjupiters orbiting close in, and some lighter planets also close to their parent stars. But finding a Jupiter-like planet on an orbit like Jupiter’s, well, that takes a long time to do. Jupiter takes 12 years to orbit the Sun, so it would take many observations over many years to detect a planet like that.
But they’ve done it! The team (Jason White, Geoff Marcy, Paul Butler, and Steven Vogt) have been using the monster 10-meter Keck telescope for ten years, observing HD 154345. This star is a lot like the Sun (it’s a G8, and the Sun is a G0 G2, meaning it’s a little smaller, lower mass, and cooler than the Sun). The planet (called HD 154345b) has a mass of no less than 0.95 times that of Jupiter, and orbits the star 4.2 AU out — 1 AU is the Earth-Sun distance, and Jupiter’s orbit is about 5.2 AU from the Sun. The planet takes a little over 9 years to orbit the star, and the orbit is circular.






This makes HD 154345b the first true Jupiter analog discovered. It’s a tremendous achievement!
So why is this important?
The superjupiters in tight orbits that have been discovered probably didn’t form that close to their stars; it’s a tough environment to form a big planet. The commonly accepted theory is that a planet like that forms farther out from the star and migrates closer in over millions of years, probably due to friction from the disk of gas and dust from which it formed.
Now imagine: you’re a planet that’s about the size of Earth, orbiting your star at about the same distance Earth is from the Sun. You’re pretty happy, thinking that in a few hundred million years, things’ll cool off, you’ll form oceans, and continents, and life. But then, hey, what’s that? Oh, it’s a planet with 5000 times your mass, headed right for you! When it passes you by, its tremendous gravity either drops you into the star, or ejects you right out of the system!
Bummer.
So we don’t think that the stars that have close-in massive planets will have Earth-like planets. It may be that the only solar systems with planets like Earth will have their Jupiter analogs orbiting farther out, where they can’t hurt the smaller planets.
And hey, that’s just what we have here! http://louis-j-sheehan.de/
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So, does HD 154345 have a blue-green ball orbiting it as well? These observations can’t say; they are only sensitive enough to find the Jupiter-like planet (and they can’t rule out planets farther out either). It might, or it might not. But here’s an interesting point: the system is probably about 2 billion years old. By that age, the Earth was already teeming with microscopic life. Provocative, eh?
I expect that future missions will spend quite a bit of time peering at this system. As of right now, it holds a lot of promise for those of us hoping that one day we’ll find another Earth.

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Did salt lick Martian life?
Scientists working to see if Mars ever had life have concentrated, of course, on looking for water. It appears to have been abundant on Mars a long time ago, but what was it like?


On Earth, water can be pure, or salty, or laden with minerals and metals. On Mars, the presence of minerals like jarosite indicate that at least in some spots, Martian water was high in minerals, with a corresponding high acidity. That’s bad enough, but now evidence from the rover Opportunity indicates that the water was also very salty, far higher in salinity than Earth’s oceans.
This has dimmed somewhat the idea of life on Mars, at least lately — meaning, the last few billion years. It’s possible that the water was in better shape to develop life as we know it early on in the history of Mars, but over time, the water got more acidic and more salty. At first blush, this precludes life arising and flourishing on the Red Planet, but I wonder. One scientist said "This tightens the noose on the possibility of life," but I think that’s a hasty conclusion.
Life arose on Earth almost immediately after the asteroid and comet bombardment ceased, just a billion or so years after Earth formed. Conditions then were very different than they are now, and yet here we are. Whatever life started back then, it evolved, adapted. Every corner of the Earth has life in it, from miles down under the surface to pools of chemicals that would kill a human (and most bacteria) instantly. Check out D. radiodurans for a real eye-opener on how tough life can be. I have little doubt our oceans have changed their salinity numerous times over the past 3 billion years, and life adapted.
From this press release, it’s impossible to say how much things have changed on Mars — besides, of course, the loss of its atmosphere, its water, and the drop in temperature. In this case, I mean how the water on Mars changed over time, and how rapidly. If it happened overnight, then sure, it’s not hard to imagine it wiping out all life on the planet. But what if it took, say, a few million years? Life on Earth has survived horrific circumstances in the past. Could any possible Martian life have done the same? http://louis-j-sheehan.biz/
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We still have no idea if life ever arose on Mars or not — Mars cooled more rapidly than the Earth did, and so may have had life on it before we did. If any life did form there, it may not be around anymore, and there could be any number of causes. We simply don’t know, and I think it’s way too early in our exploration of the planet to rule anything out.



Cupid is the Roman love god associated with the cherubic archer of Valentine's Day. Cupid is also the fully adult god associated with Psyche in the story of the marriage of Cupid and Psyche, our first record of which comes from the Golden Ass of Apuleius, and was retold in C.S. Lewis' Till We Have Faces. The story of Cupid and Psyche has also interested Jungian psychologists, including Erich Newman and Marie-Louise Von Franz. Cupid is the son of the Roman goddess of love and beauty Venus. The Roman love god is Eros.
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In 1957, marketing executive James Vicary claimed that during screenings of the film Picnic, the words “eat popcorn” and “drink Coca-Cola” were flashed on the screen every five seconds for 1/3,000 second—well below the threshold of conscious awareness. Vicary said soda and popcorn sales spiked as a result of what he called “subliminal advertising.”

Psychologists had been studying subliminal messages since the late 19th century. It was Vicary’s ideas, presented in Vance Packard’s 1957 best seller, The Hidden Persuaders, that catapulted the concept of subliminal advertising into the public consciousness. Even though in a 1962 interview with Advertising Age Vicary admitted that the amount of data he’d collected was “too small to be meaningful,” subliminal messages continued to attract public—and commercial—interest.

In 1974, the FCC held hearings about the perceived threat of subliminal advertising and issued a policy statement saying that “subliminal perception” was deceptive and “contrary to the public interest.”

Concerns about subliminal advertising continued for decades. As recently as 2000 during the presidential race, the Republican National Committee ran an ad attacking the policies of Al Gore in which the word rats briefly flashed on the screen. Many suspected subliminal intent, which the ad’s creator denied.

Matthew Erdelyi, a psychology professor at Brooklyn College, says that while Vicary’s methods were controversial, new studies continue to suggest the use of subliminal perception in advertising could be effective. “There’s a lot of interest, but the subject matter is a little bit taboo,” he says. Still, if subliminal messages in advertising have a resurgence in the future, “nobody should be terribly surprised.”

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An icy landscape studded with frozen lakes, the wintry terrain of southern Finland appears to be the birthplace of ice skating.

To trace the sport’s origins, researchers studied remnants of bone-and-leather skates found throughout northern Europe and dating to at least 2000 B.C. They re-created these ancient skates and gave them to volunteers, who glided on ice while scientists measured the energy spent. Then the researchers entered findings in a computer program that simulated journeys through five different European regions. For each region, the computer calculated the energy spent by travelers who walked around every lake as opposed to those who skated across them.

In places where lakes are relatively uncommon, like northern Germany, a human making a 10-kilometer trek would have saved two or three percent of his energy by skating across frozen lakes. But in southern Finland, there are so many lakes that those with skates could save as much as 10 percent of their metabolic energy.
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“These tools were used for traveling and to save energy and time when people had to go hunting and fishing,” said Federico Formenti, a human locomotion biomechanist at the University of Oxford and one of the study’s authors. “The energy saved in the southern area of Finland was far greater than the energy saved in any other area,” making it the most likely birthplace of the ice skate.

But the Finns don’t get all the credit, Formenti says. The next big innovation—the more efficient wooden skates with steel blades—likely originated http://louis-j-sheehan.de/
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in the Netherlands, where extensive, man-made canals provided new skating opportunities.

Do emotions influence a cancer patient’s prognosis? In one of the largest, longest, and most controlled studies of its kind, researchers investigated whether the emotional state of cancer patients has any relationship to their survival.


University of Pennsylvania psychologist James Coyne and his colleagues followed 1,093 adults, all of whom had advanced head and neck cancer with nonspreading tumors. All patients received standardized medical care through clinical trials run by the Radiation Therapy Oncology Group (RTOG).


At the start of the study, the participants completed a 27-item questionnaire used to evaluate the physical, social, and emotional quality of life in people with cancer and other chronic diseases. Five items targeted emotional state, asking patients to rate, on a scale of 0 to 4, the extent to which statements like “I feel sad” and “I am losing hope in my fight against my illness” had been true for them over the past seven days. The researchers then calculated a score for each person’s initial emotional well-being.
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Coyne tracked patients for an average of nine years, until they either dropped out of the study or died. The study reported 646 deaths. Once the records for the participants were complete, researchers analyzed the data. “We were surprised to find absolutely no relationship” between emotion and survival, Coyne says. http://louis1j1sheehan.us/ImageGallery/CategoryList.aspx?id=36f0e6c9-8b8a-4f0a-8630-e5d3b879fad4&m=0
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The researchers then looked at emotion and survival in greater detail, examining data for the most buoyant optimists, the most despondent individuals, and patients with complicating factors like smoking. In none of these analyses did emotional well-being affect survival. Because the study was so large and long, it gathered far more information than previous investigations of emotion and cancer survival. In smaller studies, Coyne says, it can be difficult to tell whether deaths were related to a factor like emotion or were simply due to chance.

While the huge pool of subjects and the controlled clinical trial conditions give the study statistical heft, Coyne acknowledges a few limitations. Having only people with head and neck cancers in the study eliminates the variability of a group suffering from different forms of the disease, but it also eliminates information about whether patients with other forms of cancer would show the same results. Additionally, patients had to be judged “mentally reliable”—able to follow instructions and keep appointments—in order to qualify for the clinical trials, so their emotional scores might not represent the full spectrum of psychological states among cancer patients.
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Coyne says this is the most in-depth study of its kind, and until a study with a similar sample size proves otherwise, he is convinced there is no conclusive relationship between emotional well-being and cancer survival. Many cancer patients struggling to maintain a positive outlook—and fearing that their lives depended on it—have contacted Coyne to express relief that their survival may not be dependent on their emotions. “Having a positive outlook is not going to extend the quantity of life,” Coyne says. “Not everybody is capable of being positive when they have cancer.”




• A 2004 study found that 72 percent of the public and 86 percent of cancer patients believe psychological factors affect cancer survival. Only 26 percent of oncologists agree.
• About 25 percent of breast cancer patients who joined support groups told researchers in a 2005 study that they attended to improve their immune systems.
• Four previous studies indicate that people with better psychological function do survive longer with cancer—but four others suggest that a healthier psychological condition predicts shorter survival time. More than a dozen studies have found no relationship between the two variables.
• A 2007 study found that the emotional, physical, and social questionnaire Coyne used is effective at predicting depression.
• Major depression afflicts about 25 percent of all cancer patients.
• The two clinical trials in Coyne’s study were conducted by the RTOG, which had a $13 million budget in 2007 and is funded by the National Cancer Institute.
• The American Cancer Society cited 1.4 million new cases of cancer in the United States in 2007 and more than 500,000 cancer deaths, with about 11,000 due to head and neck cancer.
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While this study attempts to correct factors that muddied previous research, few experts think the question of cancer and emotion is closed. Stanford psychiatrist David Spiegel notes that coping strategies are an important part of the picture and that they were not addressed by Coyne’s research. He points to a study of breast cancer patients that provides evidence that survival has to do more with how people deal with emotions than how they feel. (Coyne believes the sample size in that study was inadequate and says larger studies oppose Spiegel’s contention.) http://louis2j2sheehan.us/page1.aspx
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Spiegel says support groups and other therapies might improve outcomes by helping patients manage stress and improve communication with doctors. Coyne acknowledges the possibility that psychological support could affect survival by mechanisms other than emotional well-being but says no methodologically sound study has yet shown a relationship.


In 1957, marketing executive James Vicary claimed that during screenings of the film Picnic, the words “eat popcorn” and “drink Coca-Cola” were flashed on the screen every five seconds for 1/3,000 second—well below the threshold of conscious awareness. Vicary said soda and popcorn sales spiked as a result of what he called “subliminal advertising.”

Psychologists had been studying subliminal messages since the late 19th century. http://louis-j-sheehan.de/
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It was Vicary’s ideas, presented in Vance Packard’s 1957 best seller, The Hidden Persuaders, that catapulted the concept of subliminal advertising into the public consciousness. Even though in a 1962 interview with Advertising Age Vicary admitted that the amount of data he’d collected was “too small to be meaningful,” subliminal messages continued to attract public—and commercial—interest.

In 1974, the FCC held hearings about the perceived threat of subliminal advertising and issued a policy statement saying that “subliminal perception” was deceptive and “contrary to the public interest.”


Concerns about subliminal advertising continued for decades. As recently as 2000 during the presidential race, the Republican National Committee ran an ad attacking the policies of Al Gore in which the word rats briefly flashed on the screen. Many suspected subliminal intent, which the ad’s creator denied.

Matthew Erdelyi, a psychology professor at Brooklyn College, says that while Vicary’s methods were controversial, new studies continue to suggest the use of subliminal perception in advertising could be effective. “There’s a lot of interest, but the subject matter is a little bit taboo,” he says. Still, if subliminal messages in advertising have a resurgence in the future, “nobody should be terribly surprised.”
http://louis-j-sheehan.net/
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We report the anticarcinogenic, anti-aging polyphenol resveratrol activates the radio- and chemo-inducible cancer gene therapy vector Ad.Egr.TNF, a replication-deficient adenovirus that expresses human tumor necrosis factor alpha (TNF-alpha) under control of the Egr-1 promoter. Like ionizing radiation or chemotherapeutic agents previously shown to activate Ad.Egr.TNF, resveratrol also induces Egr-1 expression from its chromosomal locus with a possible role for Egr-1 promoter CC(A+T)richGG sequences in the expression of TNF-alpha. Resveratrol induction of TNF-alpha in Ad.Egr.TNF-infected tumor xenografts demonstrated antitumor response in human and rat tumor models comparable to that of radio- or chemotherapy-induced TNF-alpha. Although sirtuins are known targets of resveratrol, in vitro inhibition of SIRT1 activity did not abrogate resveratrol induction of Egr-1 expression. This suggests that SIRT1 is not essential to mediate resveratrol induction of Egr-1. Nevertheless, control of transgene expression via resveratrol activation of Egr-1 may extend use of Ad.Egr.TNF to patients intolerant of radiation or cytotoxic therapy and offer a novel tool for development of other inducible gene therapies.
Keywords:

resveratrol, adenovirus, TNFerade, SIRT1, TNF-alpha

Dietary habits and incidence of prostate cancer (PCa) are very different in several parts of the world. Among the differences between Eastern and Western diets is the greater intake of soy in the Eastern cultures. This might be one factor contributing to a lower incidence of PCa in Asian men. Many studies using PCa cells and animal studies of chemical carcinogenesis have shown that a wide range of dietary compounds have cancer chemopreventive potential. http://louis-j-sheehan.net/
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Therefore, the interest in nutrition-based approaches for prevention and treatment of PCa is increasing. We reviewed all experimental preclinical in vitro and in vivo data as well as clinical trials performed with soy isoflavone genistein for prevention and treatment of PCa. The preclinical data for genistein presented in this review show a remarkable efficacy against PCa cells in vitro with molecular targets ranging from cell cycle regulation to induction of apoptosis. In addition, seemingly well-conducted animal experiments support the belief that genistein might have a clinical activity in human cancer therapy. However, it is difficult to make definite statements or conclusions on clinical efficacy of genistein because of the great variability and differences of the study designs, small patient numbers, short treatment duration and lack of a standardized drug formulation. Although some results from these genistein studies seem encouraging, reliable or long-term data on tumor recurrence, disease progression and survival are unknown. The presented data potentially allow recommending patients the use of genistein as in soy products in a preventive setting. However, at present there is no convincing clinical proof or evidence that genistein might be useful in PCa therapy.



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Hot on the heels of that fabulous Spitzer image comes news that Hubble and Spitzer have teamed up to find what may be the most distant galaxy ever seen. It appears to be at a distance of 12.8 billion light years.
Yikes.
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The big image shows the incredible galaxy cluster Abell 1689, a well-studied city of galaxies. The combined gravity of the galaxies in that cluster act as a lens, distorting and magnifying the light of galaxies on the other side, more distant galaxies that might be too faint to be seen on their own. The arcs you see are all more distant galaxies, their light strewn out by the gravity if the intervening cluster (see how they all appear to have the center of the cluster as their own center of curvature?).
Even boosted by this gravitational lens, the light of the distant galaxy named A1689-zD1 is too faint to be detected in the visible, but Hubble’s infrared camera NICMOS got a peek at it. Then the Spitzer Space Telescope was able to see it even more clearly, as can be seen by the three images on the right.
The more distant galaxies we see, the younger they are, because it takes light a long time to cross the Universe. We see this galaxy as it was when the Universe itself was only about a billion years old. Astronomers are not sure how long it took galaxies to form after the Big Bang, but every time we look farther away, we still see galaxies. Mind you, the ones we see have to be fantastically bright, so they may be skewing our view (there may be much dimmer ones, but they are as yet too faint to see). But the point is, we do see galaxies at this fantastic distance.
The distance was determined by looking at the colors of the galaxy. The Universe is expanding, and more distant galaxies recede from us more quickly. This stretches the light from distant objects out, making them redder, a cosmic variation on the more familiar Doppler shift that makes car engines make that WWEWEEEEEOOOOOORRRR sound as they pass. By knowing what kind of light a young galaxy emits, and then comparing it to the amount of light in each image, the amount of redshift can be estimated, and the distance determined. For A1689-zD1, it’s invisible in visible light, detectable at near infrared wavelengths, and stronger yet in the longer infrared colors. This indicates a tremendous redshift, and therefore a great distance.
From my rough calculation, it may be possible to nail down the redshift using STIS, a camera on board Hubble. STIS is currently dead, the victim of an electrical short. However, astronauts will attempt a repair of it in September during the Hubble servicing mission. I wonder if it’s worth trying to observe the galaxy… it’s a marginal observation; it’s possible that even if STIS can detect this faint smudge, it will only be able to give us a lower limit to the distance (in other words, the data will say that the galaxy is at least at a distance of X billion light years, but not tell us what the actual distance is). Still, it might be worth a shot.
By knowing the distance to this galaxy, and examininghttp://louis-j-sheehan.org/
the way it emits light, we can put yet another data point in our models of the early Universe. We’re still trying to figure out just what the heck the cosmos was doing back then, and every time we see farther back, we nail down a little bit more about this place we live in. Observations like this one from Hubble and Spitzer propel us that much farther in our understanding.


Cognitive side effects like memory loss and fuzzy thinking aren't listed on the patient information sheet for Lipitor, the popular cholesterol-lowering drug. But some doctors are voicing concerns that in a small portion of patients, statins like Lipitor may be helping hearts but hurting minds.

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• Like every medication, statins also have side effects such as muscle aches and memory loss that can be difficult to measure. What's your experience been with statins? Join a discussion.
• Health Mailbox: Melinda Beck reviews the procedure recommended to care for someone who is unconscious.

"This drug makes women stupid," Orli Etingin, vice chairman of medicine at New York Presbyterian Hospital, declared at a recent luncheon discussion sponsored by Project A.L.S. to raise awareness of gender issues and the brain. Dr. Etingin, who is also founder and director of the Iris Cantor Women's Health Center in New York, told of a typical patient in her 40s, unable to concentrate or recall words. Tests found nothing amiss, but when the woman stopped taking Lipitor, the symptoms vanished. When she resumed taking Lipitor, they returned.

"I've seen this in maybe two dozen patients," Dr. Etingin said later, adding that they did better on other statins. "This is just observational, of course. We really need more studies, particularly on cognitive effects and women."

Pfizer Inc.'s Lipitor is the world's best-selling medicine, with revenues of $12.6 billion in 2007. The company says that its safety and efficacy have been demonstrated in more than 400 clinical trials and 145 million patient years of experience, and that the extensive data "do not establish a casual link between Lipitor and memory loss." Pfizer also says it draws conclusions about adverse events from a variety of sources "as opposed to anecdotal inferences by individual providers with a limited data pool."
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World-wide, some 25 million people take statins, including Zocor, Mevacor, Crestor, Pravachol and Vytorin. As a group, they are widely credited with reducing heart attacks and strokes in people at high risk, though the benefits are less clear in people who are not at high risk, particularly women and the elderly. Some 15% of patients complain of side effects; muscle aches and liver toxicity are the most recognized to date. But anecdotes linking statins to memory problems have been rampant for years.

On balance, most cardiologists see little cause for concern. "The benefits far outweigh the risks," says Antonio Gotto, dean of the Weill-Cornell Medical School and past president of the American Heart Association. Dr. Gotto, who has consulted for most of the statin makers and been involved in many of the trials, says "I would hate to see people frightened off taking statins because they think it's going to cause memory loss."

Thinking and memory problems are difficult to quantify, and easy for doctors to dismiss. Many people who take statins are elderly and have other conditions and medications that could have cognitive side effects.
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Still, the chronology can be very telling, says Gayatri Devi, an associate professor of neurology and psychiatry at New York University School of Medicine, who says she's seen at least six patients whose memory problems were traceable to statins in 12 years of practice. "The changes started to occur within six weeks of starting the statin, and the cognitive abilities returned very quickly when they went off," says Dr. Devi. "It's just a handful of patients, but for them, it made a huge difference."

Researchers at the University of California at San Diego are nearing completion of a randomized controlled trial examining the effects of statins on thinking, mood, behavior, and quality of life. Separately, the UCSD researchers are collecting anecdotal experiences of patients, good and bad, on statins; memory problems are the second most common side effect, after muscle aches, in about 5,000 reports to date.

"We have some compelling cases," says Beatrice Golomb, the study's lead researcher. In one of them, a San Diego woman, Jane Brunzie, was so forgetful that her daughter was investigating Alzheimer's care for her and refused to let her babysit for her 9-year-old granddaughter. Then the mother stopped taking a statin. "Literally, within eight days, I was back to normal -- it was that dramatic," says Mrs. Brunzie, 69 years old.

Doctors put her on different statins three more times. "They'd say, 'Here, try these samples.' Doctors don't want to give up on it," she says. "Within a few days of starting another one, I'd start losing my words again," says Mrs. Brunzie, who has gone back to volunteering at the local elementary school she loves and is trying to bring her cholesterol down with dietary changes instead.

"I feel very blessed -- I got about 99% of my memory back," she adds. "But I worry about people like me who are starting to lose their words who may think they have just normal aging and it may not be."
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Of course, not every case of mental decline can be reversed by stopping statins. In fact, there's some evidence that statins may ward off Alzheimer's by reducing plaque and inflammation in the brain.

On the other hand, the brain is largely cholesterol, much of it in the myelin sheaths that insulate nerve cells and in the synapses that transmit nerve impulses. Lowering cholesterol could slow the connections that facilitate thought and memory. Statins may also lead to the formation of abnormal proteins seen in the brains of Alzheimer's patients.

The cognitive changes can affect men as well as women. But women on statins are often simultaneously losing estrogen due to menopause, which can also cause cognitive changes. "Women are getting hit with a double whammy," says Elizabeth Lee Vliet, a women's health physician in Tucson, Ariz., who has a background in neuroendochronology.
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Side effects are always highly individual. Most patients tolerate statins very well, and heart disease remains the leading cause of death in the U.S. for men and women.

But it pays to think hard about whether you really need to be on a statin -- or if you could accomplish your goals with diet and exercise instead. "Some people want to take a pill and think they can eat whatever they want," says Nieca Goldberg, a cardiologist and medical director of the Women's Heart Program at the New York University School of Medicine. She says she typically prescribes statins for women who have elevated cholesterol and have already had a heart attack. But for younger women with high cholesterol and no other risk factors, she encourages lifestyle changes.

"I try to initiate diet modifications and physical activity in all my patients -- even if they still need medication, I can give them a lower dose," says Dr. Goldberg. "I try to make the point that we are all in this together."

If you do need to be on cholesterol-lowering medication, pay close attention to any side effects and talk with your doctor. You may have a different experience with a different dose or different statin. Also remember that the doctor taking care of your heart condition may not be as experienced in other body parts. "You really need a balanced approach," says Dr. Vliet. But "each physician may be looking at only one part of the elephant -- that's the way medicine is practiced in the U.S.

As Jane Brunzie says, "I learned through this experience that you have to use your own brain, as well as your doctor's brain, when it comes to your health."
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The drug of the week is Zetia—another tale of a good drug potentially gone bad. Zetia lowers bad cholesterol (LDL) by preventing it from being "recycled" in the intestines. This is different from the more commonly used "statins" that prevent bad cholesterol from being formed in the liver. The news stories have highlighted research suggesting that lowering your cholesterol with Zetia may not have the same benefits as doing so with statins. There is even a suggestion that Zetia may have a negative effect on fat deposits in blood vessels.

This story has a lot of angles. There are allegations that these new data were not released in a timely manner. Other stories suggest that guidelines encouraging ultralow levels of bad cholesterol were influenced by the makers of Zetia. Some of the more insightful stories have pointed out that Zetia, unlike statins, has never been

There is some merit to all of these concerns. For me, though, the big question is what this new information tells us about treating heart disease in general and LDL in particular. Over the past few years, many studies have shown that statins prevent heart disease and stroke, saving lives. The medical community has centered on the role of LDL in this story, with the mantra being that lower is better. But statins do much more than lower LDL—they affect the function of the lining of our blood vessels and reduce some markers of inflammation, for instance.

Why then the emphasis on LDL? Probably because it's something that makes intuitive sense: Statins save lives. Statins lower LDL. So a lower LDL must save lives. (Kind of like the old Woody Allen joke: Socrates is a man. http://louis2j2sheehan.us/page.aspx
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http://louis1j1sheehan.us/All men are mortal. So all men are Socrates.) What the Zetia story tells us is that there’s more to preventing heart disease than lowering LDL, and that how we lower LDL may be more important than we thought.






An unidentified flying object, or UFO, is any real or apparent flying object that cannot be identified by the observer, especially those which remain unidentified after investigation. UFOs have been spotted in many different places around the world.

Reports of unusual aerial phenomena date back to ancient times, but modern reports and first official investigations began during World War II with sightings of so-called foo fighters by Allied airplane crews and in 1946 with widespread sightings of European "ghost rockets." UFO reports became even more common after the first widely publicized United States UFO sighting, by private pilot Kenneth Arnold in the summer of 1947.

Many tens of thousands of UFO reports have since been made worldwide. But many sightings may yet remain unreported, due to fear of public ridicule because of the social stigma surrounding the subject of UFOs, and because most nations lack any officially sanctioned authority to receive and evaluate UFO reports.

Once a UFO has been identified as a known object; it can be reclassified as an Identified flying object.

On April 14, 1561 the skies over Nuremberg, Germany were reportedly filled with a multitude of objects.

Unusual aerial phenomena have been reported throughout history.Some of these phenomena were undoubtedly astronomical in nature: comets, bright meteors, one or more of the five planets which can be seen with the naked eye, planetary conjunctions, or atmospheric optical phenomena such as parhelia and lenticular clouds.An example is the Comet Halley, which was recorded first by Chinese astronomers in 240 B.C. and possibly as early as 467 B.C.


"The Baptism of Christ", 1710, by Aert de Gelder. UFO proponents have drawn comparisons between modern UFO reports and aerial objects depicted in historical art, such as this religious painting.

Other historical reports seem to defy prosaic explanation, but assessing such accounts is difficult, because the information in a historical document may be insufficient, inaccurate, or embellished enough to make an informed evaluation difficult.

For example, in the Old Testament of the Bible, Ezekiel apparently had a first-hand encounter with something that might now be described as an Unidentified Flying Object, but which the Bible describes as a fiery chariot.

Whatever their actual cause, such sightings throughout history were often treated as supernatural portents, angels, or other religious omens. Art historian Daniela Giordano cites many Medieval-era paintings, frescoes, tapestries and other items that depict unusual aerial objects; she acknowledges many of these paintings are difficult to interpret, but cites some that depict airborne saucers and domed-saucer shapes that are often strikingly similar to UFO reports from later centuries.
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Before the terms “flying saucer” and “UFO” were coined in the late 1940s, there were a number of reports of unidentified aerial phenomena in the West. These reports date from the mid-nineteenth to early twentieth century. They include:

* On January 25, 1878, The Denison Daily News wrote that local farmer John Martin had reported seeing a large, dark, circular flying object resembling a balloon flying “at wonderful speed.” He compared its shape when overhead to that of a "large saucer".
* On November 17, 1882, a UFO was observed by astronomer Edward Walter Maunder of the Greenwich Royal Observatory and some other European astronomers. Maunder in The Observatory reported “a strange celestial visitor” that was "disc-shaped," "torpedo-shaped," "spindle-shaped," or "just like a Zeppelin" dirigible (as he described it in 1916). According to Maunder, it was much brighter than the concurrent auroral displays, had well-defined edges and was opaque in the center, whitish or greenish-white, about 30 degrees long and 3 degrees wide, and moved steadily across the northern sky in less than 2 minutes from east to west. Maunder said it was very different in characteristics from a meteor fireball or any aurora he had ever seen. Nonetheless, Maunder thought it was probably related to the huge auroral magnetic sunspot storm occurring at the same time; Maunder called it an "auroral beam."
* On February 28, 1904, there was a sighting by three crew members on the USS Supply 300 miles west of San Francisco, reported by Lt. Frank Schofield, later to become Commander-in-Chief of the Pacific Battle Fleet. Schofield wrote of three bright red egg-shaped and circular objects flying in echelon formation that approached beneath the cloud layer, then changed course and “soared” above the clouds, departing directly away from the earth after 2 to 3 minutes. The largest had an apparent size of about six suns.

Drawing of E. W. Maunder's Nov. 17, 1882, "auroral beam" by astronomer Rand Capron, Guildown Observatory, Surrey, UK, who also observed it.
Drawing of E. W. Maunder's Nov. 17, 1882, "auroral beam" by astronomer Rand Capron, Guildown Observatory, Surrey, UK, who also observed it.

* On 5 August 1926, while traveling in the Humboldt Mountains of Tibet's Kokonor region, Nicholas Roerich reported that members of his expedition saw "something big and shiny reflecting sun, like a huge oval moving at great speed”.
* In both the European and Japanese aerial theatres during World War II, “Foo-fighters” (balls of light and other shapes that followed aircraft) were reported by both Allied and Axis pilots.
* On February 25, 1942, the U.S. Army detected unidentified aircraft both visually and on radar over the Los Angeles, California region. No readily-apparent explanation was offered. The incident later became known as the Battle of Los Angeles, or the West coast air raid.

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* In 1946, there were over 2000 reports of unidentified aircraft in the Scandinavian nations, along with isolated reports from France, Portugal, Italy and Greece, then referred to as “Russian hail,” and later as “ghost rockets,” because it was thought that these mysterious objects were Russian tests of captured German V1 or V2 rockets. Over 200 were tracked on radar and deemed to be “real physical objects” by the Swedish military.

The post World War II UFO phase in the United States began with a reported sighting by American businessman Kenneth Arnold on June 24, 1947 while flying his private plane near Mount Rainier, Washington. He reported seeing nine brilliantly bright objects flying across the face of Rainier towards nearby Mount Adams at “an incredible speed”, which he "calculated" as at least 1200 miles per hour by timing their travel between Rainier and Adams.

His sighting subsequently received significant media and public attention. Arnold would later say they “flew like a saucer would if you skipped it across the water” (it would ricochet) and also said