I first became aware of Charles Darwin and evolution while still a schoolboy growing up in Chicago. My father and I had a passion for bird-watching, and when the snow or the rain kept me indoors, I read his bird books and learned about evolution.

One-third of all female infertility is the result of blocked fallopian tubes. If fertilization could be done in the lab and then the fertilized egg implanted in the womb, it would get around that problem. Millions of women who cannot have children would suddenly be able to.

I never could read science fiction. I was just uninterested in it. And you know, I don't like to read novels where the hero just goes beyond what I think could exist. And it doesn't interest me because I'm not learning anything about something I'll actually have to deal with.

It is extraordinary the extent to which Darwin's insights not only changed his contemporaries' view of the world but also continue to be a source of great intellectual stimulation for scientists and nonscientists alike.

In terms of my marriage, you know, falling in love with my husband was by far the best thing that's ever happened to me.

If it was a great script and a great character, I would love to do a romantic comedy.

Olympism is the marriage of sport and culture.

When I was younger, I wanted to marry early, like at 23. Year by year, I found things I wanted to do, and the thought of marriage disappeared. But I don't want to marry too late. Around 31?