A new study has highlighted how reproductive biology and human behavior influence the number of children a person might have. This research, which has identified genetic factors that impact human ...

"Group selection" is the controversial theory that natural selection operates not just at the individual level but also at the level of the social group. I recently participated in a conversation at ...

Long before DNA unraveled the double helix of life, scientists were already tinkering with its inheritance. The idea that traits could be passed from one generation to the next fascinated early ...