Season 24, Episode 2
Season 24 Episode 2402 | 25m 40s
Ice Diving - We follow divers into a dangerous world of freezing temperatures and surprising beauty. TIme-lapse Photography - We follow photographer Ben Canales to find out how he gets stunning time-lapse imagery. Citizen Science - Scientists are increasingly turning to citizens for help gathering data.
Aired: 10/11/12Video has closed captioning.