Shocking footage shows reality of family who forced infant son to grow up with chimpanzee ...
Footage of a controversial 1930s experiment revealed the differences between a nine-month-old baby and a chimpanzee in ...
Students discover chimpanzees make rhythmic sounds (despite limited sense of rhythm)
How can chimpanzees, so closely related to humans, have almost no sense of rhythm? Behavioral biologist Michelle Spierings ...