Over 200,000 years, Homo sapiens spread from a small African population to every corner of the globe, reshaping ecosystems ...
History Snob on MSN
There have been 5 mass extinctions. Are we entering the 6th?
Earth has a flair for dramatic resets, though it usually takes millions of years to deliver them. Over its long history, life has been knocked back by volcanic eruptions, climate swings, changing seas ...
Currently, the planet is undergoing its sixth mass extinction event. While mass extinctions have occurred naturally in the ...
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