22/03/2012

Runner's high motivated the evolution of exercise

In the last century something unexpected happened: humans became sedentary. We traded in our active lifestyles for a more immobile existence. But these were not the conditions under which we evolved. David Raichlen from the ...

International study estimates ocean value

Professor Robert Diaz of the Virginia Institute of Marine Science, College of William and Mary, is a co-editor of "Valuing the Ocean" a major new study by an international team of scientists and economists that attempts to ...

Study shows insect mimic abilities related to size

(PhysOrg.com) -- A group of Canadian researchers who found themselves wondering why some plants or animals are good mimics while others are not, has undertaken a study on the matter and believe they have found the answer. ...

Massive ice avalanches on Iapetus

We've seen avalanches on Mars, but now scientists have found avalanches taking place on an unlikely place in our solar system: Saturn’s walnut-shaped, two-toned moon Iapetus. And these aren’t just run-of-the-mill ...

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