资讯

In 2011, a 13-year-old fossil hunter on a beach near bluffs in Santa Cruz, California, happened across the find of a lifetime: the complete skull of an unknown 5-million-year-old walrus species ...
A dogged search for walrus ivory may have brought two unlikely cultures together — the Thule Inuits of the Arctic and the Norse of Greenland — hundreds of years before Christopher Columbus set ...