Video shows chimpanzee cooperation task. All chimpanzees must manipulate the handles at the same time in order for the food to be delivered...

"Our work may contribute to the understanding of the nature of mathematics," says Emory psychologist Stella Lourenco, shown meet...

Chowhound: Ozzie, a shorthaired terrier mix, was the only dog in the experiments that chose food over his owner’s praise 100 percent of ...

One more reason to love the northern cardinal: In addition to being beautiful to look at, in Atlanta these birds appear to help shield hum...

One of the ornithopod tracks from Skenes Creek (left), placed next to the Knowledge Creek one, showing how closely they match. Photo by ...