Twenty-six-year-old Jane Goodall watched a chimpanzee named David Greybeard strip leaves from a grass stem, creating a tool to fish for termites. This moment would redefine our understanding of what ...

In discussing it with a couple of bystanders, one offered, “I guess you just chalk it up to their being teenagers.” Another countered, “When I was growing up, even teens knew they couldn’t engage in a ...

Researchers have validated a technique for studying how people make “moral” decisions when driving, with the goal of using the resulting data to train the artificial intelligence used in autonomous ...