Researchers have noted a stark but surprising similarity between chimpanzees and ancient humans. Experts have analyzed ...

Neanderthals could have migrated east and reached what’s now China, or a different species of ancient human possibly made stone tools uncannily similar to those being made in Europe during this ...

Plots of the average efficiency rank of rock combinations (hammer:anvil) through the course of the two portions of the experiment (Condition 1, Condition 2). The experiment is divided into a ...