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The Theory of Everything Channel: National Geographic Channel Length: 0 Date: August 12, 2009 Nobody’s found the Theory of Everything yet, but when Stephen Hawking discovers that black holes emit radiation, he gets very close.

The Need for Speed Channel: National Geographic Channel Length: 0 Date: July 30, 2009 On the cusp of revealing the secrets of the universe, the world’s largest machine experiences a major meltdown.

Capturing the Unseen Particle Channel: National Geographic Channel Length: 0 Date: July 30, 2009 To better understand the origin of matter, scientists hope to capture images of the illusive Higgs boson particle.

Weaponizing the Bacteria Channel: National Geographic Channel Length: 0 Date: July 22, 2009 Researchers examine samples of anthrax from the 2001 attacks — and their findings could implicate or exonerate Bruce Ivins.

From Vaccines to Bio-weapons Channel: National Geographic Channel Length: 0 Date: July 22, 2009 Bruce Ivin’s career was devoted to saving U.S. lives. Did he have the motive and the means to carry out the anthrax attacks?

Questioning the Evidence Channel: National Geographic Channel Length: 0 Date: July 21, 2009 Ivins' strange behavior convinced the FBI that he sent the anthrax letters. But his defenders insist he wasn’t a killer.

Rocket Men Channel: National Geographic Channel Length: 0 Date: July 17, 2009 Craig Nelson talks to National Geographic Channel about his book, "Rocket Men: The Epic Story of the First Men on the Moon."

Solar Fix Channel: National Geographic Channel Length: 0 Date: July 13, 2009 Riley is on a mission to harness the sun’s energy as solar power — and that's not all he'll have to wrangle.

Behind the Dam Channel: National Geographic Channel Length: 0 Date: July 09, 2009 Behind-the-Scenes: Check out Riley and the crew as they take on a big, tough, dam fix — the John Day Dam.

Moon Colony Channel: National Geographic Channel Length: 0 Date: July 03, 2009 Humans are colonizers, and the moon is ripe for populating. But how? And who?

Moon Water Channel: National Geographic Channel Length: 0 Date: July 03, 2009 Maybe the moon has water. Maybe the moon has lots of water. How on earth will we get to it?

Destination: Hubble Channel: National Geographic Channel Length: 0 Date: July 02, 2009 To repair Hubble, first they have to get the new equipment into space, in pristine condition.

Polishing the Propeller Channel: National Geographic Channel Length: 0 Date: June 29, 2009 As always, Riley is the new guy on the crew, and it’s time to show he can pass the entrance exam.

Dog, Interrupting Channel: National Geographic Channel Length: 0 Date: June 29, 2009 The turbine tower is ready for assembly — but first the crew has to rescue a basset hound on lockdown.

Big Dam Problem Channel: National Geographic Channel Length: 0 Date: June 29, 2009 Riley prepares to take on a great big dam fix on the Columbia River.

Balancing Act Channel: National Geographic Channel Length: 0 Date: June 29, 2009 The lock gate is in place, and the fix is almost done — or is it?

School Experiment Channel: National Geographic Channel Length: 0 Date: June 29, 2009 Riley heads to the local high school to examine the physics of this big fix.

Bet on Riley Channel: National Geographic Channel Length: 0 Date: June 29, 2009 Riley has a chance to prove his abilities — and someone’s better 50 bucks he fails. Can he do it?

Behind Riley’s Goatee Channel: National Geographic Channel Length: 0 Date: June 26, 2009 Behind the Scenes: Riley takes a break from the rudder fix to swap goat stories. Goatee, that is.

Behind the Rudder Channel: National Geographic Channel Length: 0 Date: June 26, 2009 Behind the Scenes on 50-Ton Rudder: The story of the sinking ship, and the little lifeboat that could.

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