A controversial theory that suggests an extraterrestrial body crashing to Earth almost 13,000 years ago caused the extinction of many large animals and a probable population decline in early humans is gaining traction from research sites around the world.
New evidence about a mini ice age that killed off mammoths and mastodons has been found in the muck
underneath a lake near Elgin, South Carolina [Credit: Mauricio Anton © PLOS…
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