A new study explains why humans have chins while other primates do not. Researchers found that the chin likely formed as a ...

Two chimpanzees meeting with each other apparently have a discussion using hand gestures, one of the human-like characteristics of other mammals. (Getty Images) Of the 8.7 million species on Earth, ...

Human Connectome Project (HCP) map of white matter tracts connecting various brain regions. Source: Courtesy of the Human Connectome Project In November 2013, I wrote a Psychology Today blog post ...

Of the 8.7 million species on Earth, why are human beings the only one that paints self-portraits, walks on the Moon and worships gods? For decades, many scholars have argued that the difference stems ...