Quarto Publishing Group USA

Humans are the last remaining hominin species and the only member of the genus Homo to have colonized the entire planet.

The exact cause of this increase is a matter of speculation, but it seems likely that extra meat entered the diet via stone tool use, fueling the bigger brains needed to manage relationships in large social groups.

The benefits of this process include complex language and the ability to develop ever more sophisticated cultural solutions to biological problems.