NEFUThe wholly-intact teeth of a prehistoric cave bear whose species went extinct about 20,000 years ago. The Siberian permafrost is known as a treasure trove of prehistoric artifacts where Ice ...
Roberto Chavez-ArceA diver in the Hoyo Negro pit, holding a Protocyon jaw and vertebrae. 2019. The Sac Actun cave system in ...
A strange cast of ferocious predators and giant herbivores lived here during the ice age. Graham Duggan Most archeologists agree that human beings reached North America 14,000 years ago, crossing ...