If you or I see people kissing, we likely think, ‘That’s sweet.’ But to evolutionary biologists, a kiss leads directly to a ...

In the movie Hoppers, scientists “hop” human consciousness into animal-like robots to talk to other species. We asked the ...

Humans appear to be the only species clearly proven to shed tears specifically because of emotions. Elephants, primates, and dogs show behaviors and biological responses that come closest to human ...

Learn how people across cultures accept animal empathy while viewing human thinking as fundamentally different.