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The oldest-known human bones in Europe were just discovered in a cave in Bulgaria. The cave also contained ancient tools ...
NEFUThe wholly-intact teeth of a prehistoric cave bear whose species went extinct about 20,000 years ago. The Siberian ...
Hervé Bocherens says his colleagues find his research methods a little "crude." He dissolves 30,000-year-old animal bones in hydrochloric acid strong enough to burn through metal, soaks the bone ...