Are Dire Wolves Real Creatures?

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There was a sixtyfold increase in population between 13,000 and 16,000 years ago. People are spreading around wide swats of territory rigt but it's really fascinating to see kind of the genetic record of that. And one of the pieces of evidence that i took away from this sight is how the animals are reacting to humans. They're describing these giant sloths coming across a footprint trail left by humans. I mean, just extraordinary. You know, i'm going tomend my my imagination of this sort of idyllic paradise of the animals not knowing that humans are red,. because i'm a e o, right? Buta, ya, it's pretty amazing.

Thousands of years ago, humans crossed a land bridge from Siberia into Alaska. They tried to move south, but a two-mile-high, coast-spanning ice wall stood between them and the rest of the continent.

How did they get past it?

Scholars have fought over that question for decades. But in her book, “Origin,” Jennifer Raff says breakthroughs in genetics have given scientists an entirely new understanding of how the Americas were peopled and what happened in the millennia that followed.

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