I knew that there were black people in Africa, of course, unfortunately because of movies such as 'Tarzan.'

So, Mexico, Brazil, they wanted their national culture to be 'blackish' - really brown, a beautiful brown blend. And finally, I discovered that in each of these societies the people at the bottom are the darkest skinned with the most African features.

If Martin Luther King came back, he'd say we need another civil rights movement built on class not race.

If you share a common ancestor with somebody, you're related to them. It doesn't mean that you're going to invite them to the family reunion, but it means that you share DNA. I think it's fascinating.

My father and I made genetics history. We were the first African-Americans and the first father and son anywhere to have their genomes sequenced.

I'm a tech geek. Whenever I read about something new, I think to myself, How can I take this and make it black?

Keeping the Union together, freeing slaves and being assassinated all added up to creating 'Lincoln the myth.' He overcame a lot of his own prejudices and became what many would consider the first black man's president.