So what we can answer [as geneticists] is questions about biology, about biological ancestry. But to make any sense of that historically we have to c…

- Spencer Wells

Every drop of human blood contains a history book written in the language of our genes.

- Spencer Wells

Taken with the archaeological data, we can say that the old hypothesis of an invasion of people - not merely their language - from the steppe appears…

- Spencer Wells

Imagine you're copying a very long document, and occasionally you'll put an A where there should be a C. And that mistake has been translated down th…

- Spencer Wells

We are all Africans under the skin.

- Spencer Wells

The greatest history book ever written is the one hidden in our DNA.

- Spencer Wells

DNA ties us all together; we share ancestry with barracuda and bacteria and mushrooms, if you go far enough back.

- Spencer Wells