New dating of volcanic ash layers at the Omo Kibish site in Ethiopia suggests that the Homo sapiens fossils found there are at least 230,000 years old, pushing them back by roughly 35,000 years from ...
I walk into a lecture hall that seats nearly a thousand students and do something I never used to do: I look for shadows in the corners. It’s the first day of class, and there are 971 students ...
I walk into a lecture hall that seats nearly a thousand students and do something I never used to do: I look for shadows in the corners. It’s the first day of class, and there are 971 students ...
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