It's rather disarming to hear a talented young woman talk about her reproductive ability in such a matter-of-fact manner.

General anesthesia may be preferable in patients who are young, who cannot lie still on the operating table, or have a medical condition that is safer to perform in this manner.

They will often kill any male or young chimpanzees they find, sometimes eating or physically brutalizing their victims in a manner that some researchers liken to torture.