ScienceGiant Sloth Fossil Reveals How Creature Lived 27,000 Years Ago The tooth of a giant sloth that grew to about 4 meters tall was discovered in Central America. In a study, scientists discovered that the creature lived through a long dry season in its final year.by Diane Samson
ScienceAbrupt Climate Change (And Not Humans) Killed The Wooly Mammoth And Other Megafaunaby Rhodi Lee