But around the time of the Younger Dryas Impact Theory, which is 11,800 years ago, somewhere around 65% of all North American megafauna was eliminated. All the woolly mammoths, giant sloths, American lion. We had a lion that was bigger than the African lion that was in North America. That Younger Dryas thing you're talking about, that's a comet hitting there.

Well, there's definitely debate, but there's a large group of legitimate scientists that are 100% convinced that we were hit.