How humans survived a global climate catastrophe 8200 years ago

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Some, but not all, ancient humans reacted to a cooling event by migrating

HENNING DALHOFF/SCIENCE PHOTO LIBRARY

Roughly 4000 years after the last glacial period, hunter-gatherers faced another bout of sudden climate change that forced them to rapidly adapt to a much colder world.

While not as frigid or long-lasting as the final stages of the last glacial period, which ended about 11,700 years ago, the 8.2 ka cooling event still caused temperatures to plummet by as much as 6°C (10.8°F) within decades. At the same time, a land mass the size of Scotland broke away from the Norwegian continental…



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