Space The Elegant Universe (Hour 3)  47:00 Eleven dimensions, parallel universes, and a world made out of strings. Monster of the Milky Way  48:00 Does a supermassive black hole lurk at the center of our galaxy? Voyage to Pandora: Humanity's first interstellar flight  21:07 Pandora is the idyllic blue world featured in the movie Avatar. Its location is a real place and the most likely destination for our first journey...	Nature Frogs: The Thin Green Line  50:31 It is the greatest mass extinction since the dinosaurs. Population by population, species by species, amphibians are vanishing off the face of the... Chimp Minds  26:00 A visit with an engaging if unruly bunch of cousins that we formally broke up with about 6 or 7 million years ago. Lord of the Ants  50:00 Naturalist E.O. Wilson's fascination with little creatures has led him to some very big ideas.
Science & Technology Cybersenses  26:00 Replacement synthetic senses for people are now a reality. Car of the Future  50:00 Join the 'Car Talk' guys as they hit the road in search of a new breed of clean, fuel-efficient vehicles. Robot Pals  26:00 To be really useful, robots need to behave as cooperative partners rather than mindless machines.	History The Secret Canyon  26:00 The best kept secret of American archaeology is now revealed – an entire canyon of perfectly preserved 1,000-year-old remains. Absolute Zero  1:36:00 The story of the harnessing of cold and the race to reach the lowest temperature possible. Pharaoh's Obelisk  57:00 Discover how ancient Egyptians used nautical experience, ingenuity, and unwavering faith to raise massive 500-ton granite monoliths.
Health Doctors' Diaries  50:00 Seven doctors, 21 years... Saving lives is only part of the story. Surgical Slimmers  26:00 In spite of the risks, people are lining up to solve their weight problems in the operating room. The Future Of Food  1:28:54 The Future Of Food offers an in-depth investigation into the disturbing truth behind engineered foods that have quietly filled U.S. grocery store...	Environment Hunt for the Supertwister  52:46 In seconds, a supertwister can leave immense swaths of death and destruction. What if technology could help us tame nature’s most violent tornadoes? Hot Planet - Cold Comfort  26:00 So you think global warming won't affect you? Extreme Ice  50:00 An acclaimed photographer teams up with scientists to document the runaway melting of arctic glaciers.