Archive: 5/03/2007

Dogs provide insight into human evolution

German scientists say many species, not just humans, can draw inferences about the intentions of other individuals to cooperate in complex tasks.

dateMar 05, 2007 in
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'Wingman' -- how buddies help alpha males get the girl

Why do some individuals sacrifice their own self-interest to help others? The evolution and maintenance of cooperative behavior is a classic puzzle in evolutionary biology. In some animal societies, cooperation occurs in ...

dateMar 05, 2007 in
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Mysteries of Rain and Snow

People have lived with rain and snow for millennia, and scientists have studied weather for more than a century. You might think that, after all that time, we would have precipitation pretty much figured out. And you'd be ...

dateMar 05, 2007 in Earth Sciences
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Look Ma! No (Human) Hands!

It's the year 2020, and space has never been so busy. Picture this: In Earth orbit, a robotic maintenance ship skitters from one weather satellite to another, upgrading powerful optics that help meteorologists track dangerous ...

dateMar 05, 2007 in Space Exploration
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