#449 – Graham Hancock: Lost Civilization of the Ice Age & Ancient Human History

2959.665 - 2981.386 Graham Hancock

All of these are proxies for some kind of cosmic impact. I talked a moment ago about the extinction of the dinosaurs. Lewis and Walter Alvarez, who made that incredible discovery, Initially, their discovery was based entirely on impact proxies, just as the Younger Dryas is. There was no crater. And for a long time, they were disbelieved because they couldn't produce a crater.