In 1996, a 3-year-old boy tumbled 24 feet into a gorilla enclosure at an Illinois zoo. Then, a Western Lowland Gorilla named ...

Robbie Williams — who rose from the boy band Take That to become one of the biggest UK music icons of the 1990s and early ’00s — is transformed into a singing, dancing chimpanzee thanks to ...

So, scientists found a way to get human stem cells to play nicely with monkey embryos, but that’s not all. They also found that the cells communicated in a way that they didn’t necessarily expect.