What color is an orgasm?

People with a condition known as synesthesia are prone to swapping their senses. They can feel colors, see music, and smell words. This raises an important question for science: What's it like to have sex when you've got synesthesia? Thanks to some inquisitive researchers, we have the answer. » 10/21/13 12:57pm 10/21/13 12:57pm

Why has synesthesia survived throughout human evolutionary history?

An estimated 4% of the population have synesthesia, a condition where senses become confused. People with synesthesia may perceive that certain sounds have flavors, or that certain words have a specific color. Even though synesthesia is widely recognized, and at least vaguely understood, what we don't know is why it… » 11/25/11 7:00am 11/25/11 7:00am