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World's oldest DNA reveals how ice age mammoths evolved（图）
World oldest DNA ice age mammoths evolved
2021/3/5
An international research team has sequenced DNA recovered from mammoth remains that are up to 1.2 million years old. The results are published in the journal Nature.The analyses,...
New Ice Age Floods map now available
geology
2007/5/31
May 21, 2007，RICHLAND, Wash. – Wednesday morning, May 23, reporters are invited to see the debut of a new map that depicts how our local geology was significantly altered 10,000 to 15,000 years ago by...