Arctic ice at low point compared to recent geologic history

Less ice covers the Arctic today than at any time in recent geologic history. That's the conclusion of an international group of researchers, who have compiled the first comprehensive history of Arctic ice.

Ecologists Link Early Malnutrition, Later Arthritis in Moose

(PhysOrg.com) -- As a 150-pound person ages, the aches and pains of osteoarthritis -- a degenerative and progressively crippling joint disease -- often become an unpleasant fact of life. Think how the same condition hurts ...

Explained: Knightian uncertainty

The global economic crisis of the last two years has stemmed, in part, from the inability of financial institutions to effectively judge the riskiness of their investments. For this reason, the crisis has cast new attention ...

Seal bulls in the service of science

"Gustavo" is an imposing bull always in search of the best feeding grounds. The elephant seal weighing 3 tons and measuring 4 metres in length belongs to a group of 14 animals that serve researchers of the Alfred Wegener ...

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