One lucky guy seems to be experiencing the world’s most colorful sex. His rare form of synesthesia is triggered by orgasm, causing him to briefly see the world in hues of pink. And as a teenager, ...

Hollywood actress Cynthia Erivo recently revealed she experiences synesthesia, a sensory phenomenon where she sees colours when hearing music. Affecting about one to four per cent of people, ...

I have a form of time–space synesthesia, so the new year arrives for me in a very physical way. I feel myself move around the year, almost like I'm traveling along a structure. December sits low and ...