You can't get the bottleneck time or the bottleneck size without both modern and ancient DNA.

The ancient world was fairly modern for its time.

...it seemed a part of her life, to step from the ancient to the modern, back and forth. She felt rather sorry for those who knew only one and not the other. It was better, she thought, to be able to select from the whole menu of human achievements than to be bound within one narrow range.

It's very likely that when they build it, the kids will come. The area is way overflowing, and they're looking for the opportunities.

When you talk about genetic variation being lost, you need to really reduce [the population] to a small number of individuals.

We are a culture that relies on technology over community, a society in which spoken and written words are cheap, easy to come by, and excessive. Our culture says anything goes; fear of God is almost unheard of. We are slow to listen, quick to speak, and quick to become angry.