Crying boy pictured being raised with chimp in sick 'experiment' with tragic ending
Chilling photographs show inside a disturbing experiment involving a litlte boy and his "sister" chimp who were spun on ...
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Crying boy pictured in sick study with chimp 'sibling' before chilling traits emerged
An experiment took place in the 1930s and involved a baby boy being raised alongside a chimpanzee for nine months - and it ...