where bones of giant ground sloths show signs of being manipulated by humans. Sloths like these once lived from Alaska to Argentina, and some species had bony structures on their backs, called ...

"We found that the osteoderms were carved before the fossilization ... As Odess interprets them, one set of tracks shows "a giant ground sloth going along on four feet" when it encounters the ...

“We found that the osteoderms were carved before the fossilization ... Thaís Pansani holding a giant sloth rib bone from central Brazil, thought to be burned by human fire about 13,000 to ...

"We found that the osteoderms were carved before the fossilization ... one set of tracks shows "a giant ground sloth going along on four feet" when it encounters the footprints of a small human ...