12 Theories of How We Became Human, and Why They’re All Wrong
12 Theories of How We Became Human, and Why They’re All Wrong
Killers? Hippies? Toolmakers? Chefs? Scientists have trouble agreeing on the essence of humanity—and when and how we acquired it.

This Face Changes the Human Story. But How?
This Face Changes the Human Story. But How?
Scientists have discovered a new species of human ancestor deep in a South African cave, adding a baffling new branch to the family tree.