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20,000 Years Ago, Ancient North Americans Used Primitive Vehicles
In New Mexico, archaeologists identified 20,000-year-old human footprints and drag marks that they believe were left by a ...
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Humans Fed Salmon to Canines 12,000 Years Ago, Study Suggests, Hinting at the Origin of Our Relationship With Dogs
Humans likely fed salmon to the ancestors of modern dogs in Alaska some 12,000 years ago ... 27,000 and 16,000 years ago. Did the first humans who arrived in North and South America bring dogs ...
Meet Triceratops: The Extinct Beast with the Longest Dinosaur Horns
Meet Triceratops, the dinosaur with the longest horns! This powerful herbivore roamed Earth millions of years ago, battling ...