Small winners in the mammalian race to evolve

It takes at least 10 times as many generations for a mouse to reach elephantine proportions as for the reverse transition, reveals a vast study of mammalian evolution over the past 70 million years.

New spray gel could help take the bite out of frostbite

Mountaineers and winter sports enthusiasts know the dangers of frostbite—the tissue damage that can occur when extremities, such as the nose, ears, fingers and toes, are exposed to very cold temperatures. However, it can ...

Puzzling comet composition solved?

For years comets have mystified scientists with their compositions that appear to have formed in both warm and cold environments, rather than in one location of a uniform temperature. But new research shows that the reason ...

The cold power of Hurricane Gilma revealed by NASA satellite

High, cold cloud tops with bitter cold temperatures are indicators that there's a lot of strength in the uplift of air within a tropical cyclone. NASA's Aqua satellite passed by Hurricane Gilma and saw a concentrated area ...

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