In 1926, a Russian biologist tried to create a human-chimpanzee hybrid

Luckily, the cruel experiment never happened. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Cheetah the Chimp, Johnny Sheffield as Boy, Johnny Weismuller as Tarzan, and Maureen O'Sullivan as Jane sit on a tree branch in an undated publicity still. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .