A Hunter-Gatherer's Guide to the 21st Century: Evolution and the Challenges of Modern Life

by Heather E. Heying

Individuals are not the same as populations.

Unlike in some organisms with environmental sex determination—famously, clown fish—no mammals (or birds) have ever been known to change sex.

Different preferences lead to different choices. Pretending that we are identical, rather than ensuring that we are equal under the law, is a fool’s game.

Humans are not blank slates, but of all organisms on Earth, we are the blankest.

arrogance is pathological confidence.