The Molecule of More: How a Single Chemical in Your Brain Drives Love, Sex, and Creativity―and Will Determine the Fate of the Human Race

by Daniel Z. Lieberman

The farther a population migrated, the greater the frequency of the 7R allele. It didn’t start them moving, but it did help them survive as they went along.

The farther a population migrated, the greater the frequency of the 7R allele. It didn’t start them moving, but it did help them survive as they went along.