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, ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This voice experience is generated by AI. Learn more. This ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A ritual dance honoring Yoruban ancestors is one of the countless examples of human culture. Jorge Fernández/LightRocket via Getty ...

When people ask me if cats are smarter than dogs, I always say, “Well, cats do what they have to do to be card-carrying cats, and dogs do what they have to do to be card-carrying dogs.” Sometimes, if ...