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In fossilized footprints, evidence of humans, a giant sloth, and ‘the killer blow’

Fossilized footprints in the salt flats of White Sands National Monument, in the southwestern U.S. state of New Mexico, reveal humans walking in the exact footsteps of a giant sloth and then confronting it, possibly hurling spears.

Australian Scientists Feud over Stampeding Dinosaurs

Arts, Culture & Media
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