A T-Shirt gun, which uses compressed CO2 to launch t-shirts into stadiums is up against a wire that can stretch 300% without breaking.
The Stang cannon that can shoot up to 16,000 gallons of water per minute, is pitted against Ultra-Ever Dry, a super water repellent coating.
The extraordinary untold story of the heroism and sacrifice of the NYPD's elite rescue squad, Emergency Service Unit, on 9/11.
The War Generals is the story of how the Army's withdrawal from Vietnam shaped America's future wars and the generals who fought them.
Sent to Parkhurst Prison, for arson and conspiring to cause explosions, Matthew Williams was determined to escape, but knew it was going to be hard.
Molaa, Reef Islands, Solomon Islands: Hazen Audel freediving. This image is from Survive The Tribe.National Geographic Channels/Samantha Tollworthy
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