Ancient humans were regularly making tools out of animal bones 1.5 million years ago – more than a million years earlier than ...

Early humans were regularly using animal bones to make cutting tools 1.5 million years ago. A newly discovered cache of 27 carved and ...

Once the groups split (remember, just a short 1.5 million years ago), the study found that Population A experienced a “bottleneck,” or a drastic drop in population size and genetic diversity.

Another recent federal study, published in the journal JAMA Pediatrics in February, showed approximately 1.01 million ...