A forensic technique more often used at modern crime scenes identified blood residue from large extinct animals on spearpoints and stone tools used by people who lived in the Carolinas millennia ago.
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Researchers are analyzing the fossil cranium of a Smilodon fatalis that lived more than 13,000 years ago to learn more about the lifestyle of this iconic big cat.
Why did Earth’s climate rapidly cool 12,800 years ago? Evidence is mounting that a comet or asteroid collision is to blame, with new support coming from the bottom of a South Carolina lake.
