Ancient humans lived through a massive volcanic eruption 74,000 years ago

By Ashley Strickland, CNN

Updated 1613 GMT (0013 HKT) February 25, 2020

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Stone tools made from limestone have helped researchers to suggest that humans arrived in North America as early as 30,000 years ago.
Photos: Ancient finds
Stone tools made from limestone have helped researchers to suggest that humans arrived in North America as early as 30,000 years ago.
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This image shows both sides of the 1.4 million-year-old bone handaxe made from the femur of a hippopotamus. It was most likely crafted by ancient human ancestors like Homo erectus.
Photos: Ancient finds
This image shows both sides of the 1.4 million-year-old bone handaxe made from the femur of a hippopotamus. It was most likely crafted by ancient human ancestors like Homo erectus.
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This illustration shows Kongonaphon kely, a newly described reptile that was an early ancestor of dinosaurs and pterosaurs. The fossil was found in Madagascar. It lived about 237 million years ago.
Photos: Ancient finds
This illustration shows Kongonaphon kely, a newly described reptile that was an early ancestor of dinosaurs and pterosaurs. The fossil was found in Madagascar. It lived about 237 million years ago.
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