So where did that red hair come from? by Kasia Bryc, 23andMe Population Geneticist Most people who see my unruly wild red hair often assume I must be Irish. I’m...

Redheads might have a better excuse than the rest of us for avoiding the dentist. For several years now scientists have known that the same genetic variations that give redheads...

If you think mutations are just sinister events that create human flies and gigantic man-eating ants, you’re living in a ’50s B-movie. Though they sometimes cause big problems for the...