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Posted: September 5th, 2008, 5:28pm EDT
Experts said the new study had all but closed the case: For the brain, remembering is a lot like doing.
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Posted: September 4th, 2008, 5:17pm EDT
Scientists have for the first time recorded individual brain cells in the act of summoning a spontaneous memory, revealing where an experience is registered and how the brain can re-create it.
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Posted: September 3rd, 2008, 6:10pm EDT
The democratization of addiction may be an appealing message, but it does not reflect reality.
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Posted: September 2nd, 2008, 5:32pm EDT
New gene chips - devices that test the DNA at sites along the genome - can assess 500,000 of the genome's three billion units at a time. When these differences are added together, a linkage emerges.
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Posted: September 2nd, 2008, 5:32pm EDT
New risk charts in a paper published in The Journal of the National Cancer Institute provide a broader perspective than most of the risk calculators on the Internet.
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Posted: September 2nd, 2008, 8:52am EDT
Public discussion of climate change is largely reduced to carbon, but other chemicals have large roles in the planet's health, and a growing number of researchers are looking at nitrogen.
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Posted: September 2nd, 2008, 8:52am EDT
There seems to be a geographical pattern to European genetics. By analyzing people's genomes, geneticists can tell roughly where in Europe they come from.
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Posted: September 2nd, 2008, 8:52am EDT
Everywhere in nature, biologists say, are examples of animals behaving as though they were at least vaguely aware of death's brutal supremacy and yet unpersuaded that it had anything to do with them.
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Posted: September 2nd, 2008, 8:52am EDT
Doctors continue to heavily prescribe the cholesterol drug Vytorin, though six years after its approval there is still no proof that the drug helps patients live longer or avoid heart attacks.
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Posted: August 31st, 2008, 11:23am EDT
Fish oil supplements may work slightly better than a popular cholesterol-reducing drug to help patients with chronic heart failure, according to new research published online in the medical journal The Lancet on Sunday.
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Posted: August 27th, 2008, 4:29pm EDT
Satellite measurements showed the area had fallen to its second lowest level on record.
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Posted: August 27th, 2008, 7:33am EDT
Concerns about a supply glut of natural gas in the United States are limiting interest in exploration and production companies that have tantalizingly low valuations
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Posted: August 27th, 2008, 2:55am EDT
Vernor Vinge has been urging his fellow humans to get smarter by collaborating with computers.
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Posted: August 27th, 2008, 2:55am EDT
Scientists are hard at work on the tiny submarine that will replace the legendary Alvin.
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Posted: August 27th, 2008, 2:55am EDT
Expansive American dreams about renewable energy are bumping up against the reality of a dated power grid.
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Posted: August 26th, 2008, 5:32pm EDT
There is clear evidence that living well - exercising daily and eating properly, even if undertaken later in life - is also the best guarantee of a longer life in good health.
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Posted: August 26th, 2008, 5:32pm EDT
Researchers hypothesize that crows learn to recognize threatening humans both from parents and others in their flock.
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Posted: August 26th, 2008, 5:32pm EDT
The test, called OvaSure, has been offered since late June, but the U.S. Food and Drug Administration and some experts say it has not been proved to work.
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Posted: August 26th, 2008, 1:40pm EDT
Inspired by high oil prices, a dramatic rise in the value of old plastic is encouraging waste companies across the world to dig for buried riches in rotting garbage dumps.
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Posted: August 26th, 2008, 12:01pm EDT
The global mining company, which is fighting a hostile takeover bid by BHP Billiton, said net income more than doubled in the January-June period to $6.9 billion, lifted by booming Asian demand for iron ore and the acquisition last year of Alcan.
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Posted: August 24th, 2008, 5:16pm EDT
More than 120 scientists, engineers, analysts and economists from 30 countries met in Sicily to discuss global risks like cyberterrorism, climate change and the world's lagging energy supply.
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Posted: August 21st, 2008, 5:32pm EDT
Studies suggest that two vaccines against a virus that can cause some types of cervical cancer are being used without sufficient evidence that they are effective and worth their high cost.
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Posted: August 20th, 2008, 5:29pm EDT
The vaccine that Mishawn Araujo and tens of millions of other girls and young women in the United States and Europe have gotten is a triumph of marketing, critics say.
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Posted: August 20th, 2008, 9:28am EDT
The vaccine that Mishawn Araujo and tens of millions of other girls and young women in the United States and Europe have gotten is a triumph of marketing, critics say.
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Posted: August 20th, 2008, 9:28am EDT
Is a person's weight really a reliable indicator of overall health?
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Posted: August 20th, 2008, 9:28am EDT
Adam Riess and his colleagues have embarked on one of the oldest quests in cosmology, to measure how fast the universe is growing, how big it is and how old it is.
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Posted: August 19th, 2008, 5:07pm EDT
As health professionals and government officials in the United States have recognized the strain on family members of Alzheimer's patients, a growing number of facilities now offer short-term respite stays.
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Posted: August 19th, 2008, 5:07pm EDT
The discovery resulted from a long-term study to monitor diseases in Galápagos birds.
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Posted: August 19th, 2008, 5:07pm EDT
At the 17th International AIDS Conference in Toronto, no major breakthroughs were announced, cutting-edge research findings were rare, and the mood was much more somber than that in Toronto two years ago.
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Posted: August 18th, 2008, 12:35pm EDT
The winner of the Stockholm Water Prize criticized the growing use of biofuels Monday and urged people to eat less meat to help cut the amount of water used in food production.