Haunting images reveal a bizarre experiment where a baby was raised alongside a chimpanzee. One distressing photo shows the infant in tears after being repeatedly spun around in his chair.

Baby chimps don't cry like human babies do but instead have a "scream" that they use to vocalize their needs to their mother. Chimps spend the first seven to ten years with their moms, learning ...

One showed a man boasting how he made a baby monkey 'super loud cry' while he choked her and another showed a monkey being held upside down and slapped. Another monkey is seen clinging to her ...