The Famous Bering Land Bridge Was More Like a Swamp, Geologists Say
Why did some species, including ancient humans, cross the Bering Land Bridge between modern-day Siberia and Alaska during the last Ice Age? The picture has only gotten more complex.
Why did some species, including ancient humans, cross the Bering Land Bridge between modern-day Siberia and Alaska during the last Ice Age? The picture has only gotten more complex.