Thursday, October 8, 2009

Baby mammoth yields secrets after 40,000 years in Siberian tundra - Times Online

Baby mammoth yields secrets after 40,000 years in Siberian tundra - Times Online

A baby woolly mammoth that died after being sucked into a muddy river bed 40,000 years ago has revealed more prehistoric secrets of how the species survived in its icy habitat.

The mammoth, known as Lyuba, was about a month old when she died in the Siberian tundra, where she remained until she was discovered by reindeer herders three years ago. Her body was so well preserved in the permafrost that her stomach retained traces of her mother’s milk, and scientists identified sediment in her mouth, trunk and throat — suggesting that she suffocated while struggling to free herself from the mud.

The mammoth has taught researchers much about the species that they had been unable to glean from fossils and other less well-preserved finds, including how brown fat cells on the humped back of the head helped to maintain body temperature. The calf, found in the Arctic Yamal peninsula of Russia, weighed about 110lb, and was about the size of a large dog.

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