Learning is often thought to require a brain. But learning is a broad concept that does not necessarily depend on neurons.

A future in which AI can recognize a person's unspoken "that's not what I meant" response from brain signals and adjust its ...

Humans are difficult to simulate. We are quick, complex thinkers, and our exact actions aren't predictable. So how can we ...

Ancient human remains from Sulawesi suggest people were habitually using the psychoactive betel nut as far back as 25,000 years ago. Researchers found both unusual tooth wear and traces of arecoline, ...