Luella and Winthrop Niles Kellogg believed they could use their own child in a chilling experiment involving a chimpanzee. Toddler Donald Kellogg was just 10 months old when he became one of the ...

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. The study, ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Given the many similarities between humans and chimpanzees, one ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Chimpanzees are our closest primate relatives, sharing 99 percent ...

It's quick and easy to access Live Science Plus, simply enter your email below. We'll send you a confirmation and sign you up for our daily newsletter, keeping you up to date with the latest science ...

When Aristotle claimed that humans differ from other animals because they have the ability to be rational, he understood rational to mean that we could form our views and beliefs based on evidence, ...