Indicating that Neanderthals buried their dead, a stone-lined pit in southwest France held the 70,000-year-old remains of a man wrapped in bearskin. The illustration is based on a diorama at ...
Scientist are proposing a startling new theory: that an extraterrestrial impact, possibly a comet, set off a 1,000-year-long cold spell and wiped out or fragmented a wide variety of animal genera, ...
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