You can pick your friends, but not your family, they say…and it turns out that we pick friends who are like our family. Our friends are likely to be surprisingly genetically similar to us, a new study shows.
There was disturbing evidence that couples with daughters are more likely to divorce. Could it be the girls fault? There’s a surprising twist to this research. It may be that girls are better able, even in the womb, to survive a difficult relationship.