Synesthesia is a neurological condition where a trigger that typically stimulates one of the physical senses stimulates another sense. People who have synesthesia, like Eilish, can be called ...

Richard Cytowic, a pioneering researcher who returned synesthesia to mainstream science, traces the historical evolution of our understanding of the phenomenon. By Richard E. Cytowic / MIT Press ...

When I was little, I didn’t understand why calendars were in a grid, because to me, the months of the year present in the ...

Daniel Tammet has memorized Pi to the 22,514th digit. He speaks ten different languages, including one of his own invention, and he can multiply enormous sums in his head within a matter of seconds.