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Help solar scientists spot explosions on the Sun and track them across space to Earth [More]

By Timothy Gardner WASHINGTON (Reuters) - The Obama administration proposed on Tuesday the first ever standards to cut carbon dioxide emissions from new power plants, a move likely to be hotly contested by Republicans and industry in an election year. The Environmental Protection Agency proposed the long-delayed rules that limit emissions from all new U.S. [More]

In the film Am

LONDON -- The impact of human activity on the Earth is running out of control, and the amount of time in which action can be taken to prevent potentially catastrophic climate change is rapidly dwindling, a leading scientist from the Australian National University told a global scientific climate conference in London yesterday.

On March 20 a National Park Service biologist named Jeffrey Goldstein and I descended a rocky incline into the mouth of Devils Hole, a collapsed cave in the Nevada desert 40 miles south of the visitor’s center in Death Valley.

What can poop tell us about orangutans? Well, for one thing, a study of wild orangutan feces has revealed that these great apes, unlike some other species, are not chronically stressed by ecotourism

Birth-control pills are known to affect women’s taste in men, at least in laboratory experiments.

“I don t eat school lunch anyway . . . It looks weird.” BPI / The Atlantic [More]

Stuck on a tricky math problem? Start clapping

Mars today is pretty dry.

Mars today is pretty dry. But billions of years ago, water flowed across the red planet. It ran in rivers that carved deep valleys.

Could stress play a role in the development of Alzheimer’s? Right now we’re not sure, but this latest study shows that it may play a role, though exactly how?

Could stress play a role in the development of Alzheimer’s? Right now we’re not sure, but this latest study shows that it may play a role, though exactly how? Well, we’re still not sure.

By Ewen Callaway of Nature magazine The Vatican has abruptly cancelled a controversial stem-cell conference that was set to be attended by the Pope next month.

By Ewen Callaway of Nature magazine The Vatican has abruptly cancelled a controversial stem-cell conference that was set to be attended by the Pope next month.