Courtesy of Scott McNulty @ TUAW:
PBS is in need of a new science show, and they have a conundrum on their hands. They need one new science show, and they have three pilots for science shows. What's a non-profit network to do? Why, make all three shows available for free on iTunes (and other places) and let the viewers choose which one will make it into full pledge series-dom. The three shows are (all iTunes Store links):
let PBS know which one is the best.