Paleontologists have uncovered a previously unknown prehistoric mammal species that was among the largest of its time. The partial remains of the newly identified species were originally collected ...

By living in large groups, they gain both protection ... The ear bones of mammals were once the jaws of prehistoric reptiles. And so on. Despite these differences, all mammals share four traits ...

In mapping out the prehistoric environment ... was not depending on a highly seasonal availability of their large mammal prey in contrast to the Middle Stone Age period. Moreover, the migratory ...