When Jennifer Epstein, Health Education Teacher and Director of Outdoor Trips at Urban tells her freshmen health class to get up and go to the gym, to run around to “get high,” the classroom erupts...

As I scaled a 30-foot wall, searching desperately for tiny colored handholds to grip with my sore fingers and trying not to get caught in the ropes, I looked at my belayer way down below and laughed. I...