DNA from mammoth remains reveals history of last remaining population

Enlarge / An artist’s impression of one of the last mammoths of Wrangel Island. Bet Zaiken A small group of woolly mammoths became stranded on Wrangel Island about 10,000 years ago when rising sea levels separated the island from mainland Siberia. Small, isolated populations of animals lead to inbreeding and genetic defects, and it was … Read more