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Lab Sabotage: Some Scientists Will Do Anything to Get Ahead

In the world of science, it s publish or perish. Researchers who publish a greater number of papers in high-status journals are more likely then their colleagues to win tenure positions, research grants, and prestigious reputations. The competition is fierce enough to compel some scientists to cheat.

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Kepler 22-b: Another step closer to finding Earth-like worlds

Comparison of "habitable zone" of Kepler 22 system and our solar system (NASA/Kepler) Today sees the announcement that one of the “candidate” planets listed from NASA’s Kepler mission back in February is now confirmed, and it’s a key one. At 2.4 times the diameter of the Earth the planet Kepler 22-b also orbits its parent star (which is a slightly less massive G-dwarf star than the Sun and 25% less luminous) in 290 Earth-days, which places it within the nominal “ habitable zone “. This system is about 600 light years from us.

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Yeti Crabs grow bacteria on their hairy claws

Deep beneath the waters of Costa Rica, dozens of crabs are waving their claws in unison, in what seems to be a rhythmic performance. It’s almost as if these crabs are locked in a ritual dance. But these charming crabs are not dancing.

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Signal for Consciousness in Brain Marked by Neural Dialogue

Scientists have long hunted for a pattern of brain activity that signals consciousness, but a reliable marker has proved elusive. For many years theorists have argued that the answer lies in the prefrontal cortex, a region of high-level processing located behind the forehead; neural signals that reach this area were thought to emerge from unconscious obscurity into our awareness. Recent research, however, supports the idea that consciousness is a conversation rather than a revelation, with no single brain structure leading the dialogue.

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Inheritance of Acquired Characteristics [Animation]

See how a rat’s mothering style can be passed down to her pups--and to their pups and so on--by altering the mix of chemical groups, or epigenetic marks, on genes in the brain. This animation is based on research led by Michael Meaney of McGill University

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Was Jane Austen Poisoned by Arsenic? Science May Soon Find Out

On April 27, 1817, Jane Austen sat down and wrote her will, leaving almost all of her assets--valued at less than 800 pounds sterling--to her sister Cassandra. In May, the sisters moved to Winchester, England, so the bedridden Jane would be near her doctor. On July 18, only a few days after dictating 24 lines of comic verse to Cassandra, Jane died.

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FDA to Approve New Generics, But Health Care Savings Will Be Minimal

In 1984 the Hatch-Waxman Act made it cheaper and easier to put generic versions of a drug on the market. As a result of the expedited approval process, generics now make up more than 60 percent of prescription drugs sold in the U.S. and have saved the health care system $734 billion between 1999 and 2008 alone

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Three-Quarters of Climate Change Is Man-Made

Natural climate variability is extremely unlikely to have contributed more than about one-quarter of the temperature rise observed in the past 60 years, reports a pair of Swiss climate modelers in a paper published online December 4. Most of the observed warming--at least 74 percent--is almost certainly due to human activity, they write in Nature Geoscience .

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Simmering Planet Keeps Heating

As delegates gather in South Africa to determine what the world's nations should do about climate change, one might wonder how we're doing?

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