Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, and many other large animals went extinct. Around the same time, the Clovis ...
Evidence of a cosmic explosion over our planet around 13,000 years ago suggests that it rocked life during the Ice Age. This explosion of cometary fragments might have had a hand in the disappearance ...
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