It took just 72 hours for me to lose my sight entirely. Just before my blindness hit, I had been laid up with an unknown virus that had left me suffering severe headaches and sweats. My body’s immune ...

Conventional wisdom says that synesthesia is innate -- you're either born with the condition or you're not, end of story. If you happen not to have been born that way but would really, really love to ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. I remember the first time I was introduced to the concept of ...

If I told you the letter “G” is red, you might be confused. But if you had what’s called grapheme-color synesthesia (GC), there’s a good chance you’d argue I’m wrong. That’s because many people who ...