How I Built This with Guy Raz

Discovery Channel and Curiosity Stream: John Hendricks

In the 1980s—the early days of cable television—John Hendricks got stuck on an idea he couldn't shake: to create a channel that would teach people cool things in an entertaining way. In college he had seen hours of documentaries on history, science, and outer space; and he figured if he was interested in them, others would be too. So around the age of 30…