A person hears a piece of music and, at the same time, sees a deep blue colour. Another reads a word and senses a light taste ...

Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of ...

Identical twins Helen Besgrove, a marketing executive, and Kirsty Neal, a GP, share their different experiences perceiving the world ...

If you have ever lifted a weight, you know the routine: challenge the muscle, give it rest, feed it and repeat. Over time, it ...

Many top professionals and leaders may feel uneasy about AI. Here’s why—and what it reveals about human intelligence.

Sleep is a universal biological state that allows all animals, from mammals to amphibians, fish and even insects, to restore ...

New research suggests that auditory hallucinations in schizophrenia may come from a brain glitch that confuses inner thoughts for external voices. Normally, the brain predicts the sound of its own ...

Many species of fungus across the world produce psilocybin, a chemical with psychedelic effects in humans, but its evolutionary purpose may be to deter mushroom-munching insects ...

For many people, the realization doesn’t come all at once. It’s a slow accumulation of moments where something clicks and ...