The one-time punk brat has turned into a globe-trotting unofficial ambassador for his homeland's music.
The superstar neuroscientist's lab work, though, is about saving the minds of America's addicted.
Porter is sought after by both Wynton Marsalis and Disclosure.
Singer Yungchen Lhamo, who escaped Tibet on foot, is now helping mentally ill patients in the U.S. escape.
The jungles of Ecuador may hold a secret weapon against plastic pollution.