Advertisement Continue reading the main storyIf early humans really did smash those mastodon bones 130,000 years ago, scientists will have to rethink how humans came to the Americas. Advertisement Continue reading the main storyFor decades, archaeologists have searched North and South America for the oldest evidence of occupation. Advertisement Continue reading the main storyAfter several thousand years, as glaciers receded, modern humans were able to move south. Advertisement Continue reading the main storyAnother mysterious lineage of humans, the Denisovans, split off from Neanderthals an estimated 400,000 years ago. Advertisement Continue reading the main story“Extraordinary claims require unequivocal evidence,” Dr.

Source: New York Times April 26, 2017 17:01 UTC