PhysOrg Posted October 26, 2015 Share Posted October 26, 2015 Giants once roamed the earth. Oceans teemed with ninety-foot-long whales. Huge land animals—like truck-sized sloths and ten-ton mammoths—ate vast quantities of food, and, yes, deposited vast quantities of poop. Read the full article on PhysOrg Link to comment Share on other sites More sharing options...
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