One is the loneliest number that you’ll ever do, especially if you don’t even have a word for it. That’s the situation of the Pirahã people, denizens of Brazil’s Amazon rainforest who have no term for ...

Of course, it's impossible to provide an exact number of words in English, since new words are being added to the dictionary, and falling out of use, pretty much constantly. But what's an approximate ...

Researchers have found a new relationship between counting ability of Tsimane' individuals and their ability to perform matching tasks that involve numbers up to about 25. The results suggest that in ...

Puzzles may do more than entertain us. Source: Ben_Kerckx/Pixabay, used with permission. It may seem like a no-brainer, but the effects of brain training—using tools like word and number games to ...