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Demolition Channel: National Geographic Channel Length: 0 Date: March 25, 2009 See what damage a wrecking ball is capable of making.

Roller Coaster Channel: National Geographic Channel Length: 0 Date: March 25, 2009 Mechanics piece together the most powerful hydraulic launch system in roller coaster history.

Spear Tackle Channel: National Geographic Channel Length: 0 Date: March 25, 2009 Football players avoid the spear tackle because it’s illegal and dangerous. Watch sports scientists test just how dangerous it can be.

Spear Tackle Channel: National Geographic Channel Length: 0 Date: March 25, 2009 Football players avoid the spear tackle because it’s illegal and dangerous. Watch sports scientists test just how dangerous it can be.

Cat Clues Channel: National Geographic Channel Length: 0 Date: March 25, 2009 To uncover the origin of domesticated cats, a research program sets out to test DNA from cats around the world.

Sewer FOG Channel: National Geographic Channel Length: 0 Date: March 25, 2009 The Los Angeles sewer system could be clogged by fats, oils, and grease if it weren’t carefully monitored.

Inside UPS Channel: National Geographic Channel Length: 0 Date: March 25, 2009 Numerous packages are unloaded, sorted, and shipped inside a UPS shipping facility.  Using the latest technology, see how packages...

How Beer is Made Channel: National Geographic Channel Length: 0 Date: March 25, 2009 Malt, barley, hops, and yeast are mixed together at the brewery to make the perfect pint.

Inside Crime Scene Investigations Channel: National Geographic Channel Length: 0 Date: March 25, 2009 Forensic experts use care when examining a crime scene.  Science is used to analyze collected evidence. As opposed to fictional c...

Testing the Mona Lisa Channel: National Geographic Channel Length: 0 Date: March 25, 2009 Science takes a closer look at the world’s most famous painting.  Is this the portrait of a pregnant woman?

Moon Mysteries Channel: National Geographic Channel Length: 0 Date: March 25, 2009 View one theory of how the moon was created, when the planet Theia and the Earth collide.

Race Car Drivers Channel: National Geographic Channel Length: 0 Date: March 25, 2009 What caused a horrifying wreck during a race causing the car to perform multiple end-over-end flips?

The Secret Roof Garden Channel: National Geographic Channel Length: 0 Date: March 25, 2009 More than just lovely, gardens on roofs provide valuable environmental benefits.

Bonding with Power Lines Channel: National Geographic Channel Length: 0 Date: March 25, 2009 When the grid needs to be fixed, these are the guys who get it done. If Sean wants to hang, he’s got to get his hands on 230,000 volts of electric...

Diesel Dissection Channel: National Geographic Channel Length: 0 Date: March 25, 2009 There’s an engine worth hundreds of thousands of dollars locked in this train. So how do you get it out without messing it up?

The Explosives Arrive Channel: National Geographic Channel Length: 0 Date: March 25, 2009 Knocking down a tower requires extreme precision and planning — and some really powerful dynamite.

SuperCoasters Channel: National Geographic Channel Length: 0 Date: March 25, 2009 Coaster riders, like astronauts, get to experience zero gravity.

Stalled in the Air Channel: National Geographic Channel Length: 0 Date: March 25, 2009 To ensure the safety mechanisms work in a new Learjet, these pilots must recreate a nightmare scenario.

Inside a Hot Dog Channel: National Geographic Channel Length: 0 Date: March 25, 2009 How do they pack so much flavor into a fat little hot dog?

Before Time and Space Channel: National Geographic Channel Length: 0 Date: March 25, 2009 No explosion beats the Big Bang — even if it was completely silent.

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