Cliff diving isn’t a typical activity for a person who’s afraid of heights. But Mike, a 20-year-old intern living in Atlanta, skydives and cliff-dives as often as he can. Sophie cycles, climbs, runs, ...

Sensation-seeking, also called thrill-seeking or excitement-seeking, is the tendency to pursue new and different sensations, feelings, and experiences. The trait describes people who chase novel, ...

Blind or colorblind people can describe colors and use expressions like “green with envy” or “feeling blue.” A hearing-impaired person can also say those same vibrant hues are “loud.” But many ...