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Early research on the sharpest octogenarians reveals unusually youthful brain regions A nasty affliction sets into humans as they advance in years. The hair either disappears or thins into a fuzzy halo, the skin sags and bunches, while inside the brain, changes set in that slow our reaction times and cause our memories to fade. A steady, widespread thinning out of the brain s cortex, the outermost layer of the brain, is thought to underlie some of this cognitive transformation

By Nina Chestney LONDON (Reuters) - The mystery of how a subglacial mountain range the size of the Alps formed up to 250 million years ago has finally been solved, scientists said on Wednesday, which could help map the effects of climate change. [More]

By Charlie Dunmore BRUSSELS (Reuters) - A European Union target to promote the use of biofuels will accelerate global species loss because it encourages the conversion of pasture, savanna and forests into new cropland, EU scientists have warned. [More]

In the prevailing more-is-better culture, patients often jump at or at least surrender to the latest and greatest medical test . New imaging technology is gaining crispness with each passing year, and advances in the past several years has enabled doctors to peer inside the body to detect tiny tumors or the beginning of a blocked artery all without slicing the skin

(Reuters) - Rare photos of five different wild cats, including the endangered Sumatran tiger, have been caught on camera in an Indonesian forest threatened by deforestation, and the area must be protected, environmental group WWF said on Wednesday.

Watching the Occupy Wall Street demonstrators march by the offices of Scientific American yesterday got me thinking about health conditions at Zuccotti Park. New York City Mayor Mike Bloomberg said that “ health and safety conditions became intolerable at the encampment, so he was forced to evict demonstrators and remove their tents and sleeping bags.

LBy Natasha Gilbert of Nature magazine Delegates meeting this month in Durban, South Africa, to assess international progress on tackling climate change need to look beyond smoke stacks and car exhausts to a neglected source of emissions--agriculture. That's the message from an international group of leading agricultural and climate scientists in a report published on November 16. [More]

I've always thought that when I get a fever, it's my body trying to make things uncomfortable for the invading pathogen. And that's often true--higher temperatures can inhibit the bad guys' ability to replicate

By Sid Perkins of Nature magazine The original colours of a fossilized moth have been brought back to life for the first time. [More]

The European Union on Monday prohibited the use of X-ray body scanners [1] in European airports, parting ways with the U.S. Transportation Security Administration, which has deployed hundreds of the scanners as a way to screen millions of airline passengers for explosives hidden under clothing.

By Barbara Lewis and Gilbert Reilhac BRUSSELS/STRASBOURG (Reuters) - European politicians are expected to vote through a resolution on Wednesday that nudges higher the bloc's ambitions to deepen its carbon reduction, ahead of climate change talks this month in Durban, a European Parliament source said.

There's probably no intelligent life in the outer solar system. But it couldn't hurt to check.

By David Cyranoski of Nature magazine The likely demise of Russia's Phobos-Grunt mission has dashed China's hopes for its first Mars orbiter, Yinghuo-1, which was piggybacking on the larger craft (see ` Russia gets the red planet blues '). [More] Presented By: Grainger aids power outage response.

By Heidi Ledford of Nature magazine It would not be the first psychiatric drug to run aground in a large study after sailing through early trials. [More]

By Christopher Le Coq STRASBOURG (Reuters) - European Union lawmakers on Tuesday called for stronger action to protect Europe's bees, saying that the rapid decline in the bee population could affect the growth of important food crops.