In comparison, he writes, the 300,000 years since Homo sapiens evolved is so brief that “in a single stroke with a medium-grained nail file you could eradicate human history.” In this special issue on ...
THAT AUTUMN, A RESEARCH VESSEL called the Glomar Challenger sailed over the Mid-Atlantic Ridge to drill holes and sample sediment. Fossils within the sediment samples they retrieved gave scientists a ...
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