研究：古代美洲人严重依赖猛犸象作为食物 A new study finds that the first humans to live in North America depended heavily on mammoths and other large animals for food.

科学家展示在西伯利亚保存了5万年的猛犸象宝宝 Researchers in Russia's Siberia area are showing the public what they say are the 50,000-year-old remains of a baby mammoth.