在脑海中想象一下：毛猛犸曾在我们现在的居住地附近吃草。
Picture it in your mind. Woolly mammoths eating grass around the places we are living in right now.
大多数科学家认为，大约10000年前，由于气候变暖导致食物数量减少，毛猛犸才因此灭绝。
Most scientists think that about 10, 000 years ago, woolly mammoths died out as a result of warmer weather reducing their food sources.
来自毛猛犸象的古生代dna表明，它们的血液中含着特殊的御寒血红蛋白，今年研究者在细菌中对这种血红蛋白进行了复制。
Ancient DNA from woolly mammoths revealed that their blood contained special cold-adapted hemoglobin, which researchers reproduced in bacteria this year.
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