Chilling photos show a tiny little baby being raised alongside a chimp in a warped experiment ... One haunting picture even showed Donald screaming out after his rotating chair was repeatedly ...

A chilling experiment from the 1930s saw a baby being raised alongside a chimpanzee ... In a chilling picture, Donald was seen screaming as his rotating chair is spun in a distressing experiment.

Peggy, the 55-year-old chimpanzee at John Ball Zoo, died after a steep health decline, the zoo said in a Jan. 29 Facebook post. She defied life expectancy odds for most female chi ...