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 ...

Q: Is there really a condition where someone can hear a sound and it makes them see a color? A: Yes, and that condition is called synesthesia. It will be the topic of today’s column. We have five ...

Mary Jane Spiller does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...