The Russian Anarchist Prince Who Challenged Evolution

Are we cooperative or competitive?

Why Are Our Brains So Ridiculously Big?

Tool use and exploration may be just side effects of social skills.

The Most Spectacular Mutation in Recent Human History

How did milk help found Western civilization?

What Is War Good for? Ask a Chimpanzee.

What apes and monkeys can teach us about the roots of human aggression.

Lascaux’s Picassos

What prehistoric art tells us about the evolution of the human brain.

What Are You So Scared of? Saber-Toothed Cats, Snakes, and Carnivorous Kangaroos.

The evolutionary legacy of having been prey.

The Neanderthal in My Family Tree

New genetic evidence shows our ancestors interbred with now-extinct species.

Are Humans Monogamous or Polygamous?

Archaeologists, anthropologists, and biologists agree: It’s complicated.

Who Mastered Fire?

The heated archaeological debate about which hominids first started cooking.

Ayn Rand vs. the Pygmies

Did human evolution favor individualists or altruists?