Japan Tsunami: Running For Your Life
Robert A. Heinlein, a Navy veteran and writer, created a science fiction world that mixed politics and military values.
Most Watched in Science
Frozen Planet: Killer Whales "Wave Wash" Seal
A pod of orcas, or killer whales, cooperate to wash a Weddell seal off an ice floe. This sequence, filmed for Frozen Planet, marks the first complete filming of killer whale "wave washing" behavior.
Frozen Planet: Caterpillar Survives Frozen Death
The Arctic's woolly bear caterpillar freezes solid every winter, the natural antifreeze in its body keeping it from dying. It takes 14 years before it has eaten enough to become a moth.
To solve some of the biggest mysteries in science, sometimes you need a really big experiment. Dr. Michio Kaku explains what this huge laboratory investigates.
What is the future of the penny?
U.S. pennies have been around for centuries, but their days may be numbered. In this episode, Ben Bowlin looks at the arguments for and against the penny. Tune in to learn more about the future of currency.
Off his game with bad cold, Dustin Hurt accidentally drops a huge boulder on the wash plant that knocks it out of action.
Frozen Planet: Awkward Sea Lion Chases Penguin
A group of Gentoo penguins needs to go fishing but a Southern sea lion stands between them and their meals.
After a fight with father, Dustin heads back to Porcupine Creek to apologize to Dakota Fred.
Bering Sea Gold: The Christine Rose
Meet Steve and Shawn Pomrenke and the other crewmen of the Christine Rose.
Frozen Planet: Deep in to the polar bear's den
Field Producer Jason Roberts and Cameraman Mark Smith crawl into a polar bear's den in the Arctic. Nervous that the bear will return, they bravely take a tour of the den, lined with icy polar bear hairs and scratched with claw marks.
Bering Sea Gold: Bar Fight Stabbing
After a big Christine Rose pay day, Shawn and Cody go to grab a few drinks but run into a jealous knife-wielding thug who starts a fight.
Frozen Planet: Woolly Bear Caterpillar
Frozen Planet producer Vanessa Berlowitz takes you behind the scenes of one of only four scenes in the series that were shot under controlled conditions.
MythBusters: Grenade Blast Zone
The MythBusters test a grenade blast to see how far away you must be from the explosion for the shockwave to not kill you.
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How can a Toyota Tundra with a 10,000-pound towing capacity pull a 300,000 pound space shuttle? Scott Benjamin of CarStuff delves into the physics at play during the space shuttle's final journey to the California Science Center in Los Angeles.
Sons of Guns: Jesse James Lets Loose
After Will Hayden receives a surprise visit from Jesse James, he gives him a chance to shoot many guns from the Red Jacket collection in the range.
Sons of Guns: Jesse James Surprise
Just when Will and his team thought it was another day at the shop, they receive a surprise visit from Jesse James.
The Red Jacket crew works on building an aluminum Browning automatic rifle for Jesse James. During the build, Jesse James gives Flem a quick lesson in welding.
Sons of Guns: Custom BAR Build
Will Hayden runs his Red Jacket crew - including Vince - through the plans to customize a BAR for Jesse James.
Sons of Guns: First Submachine Gun
A rare gun collector brings in a German Schmeisser MP 28, a variation of the first infantry submachine introduced at the end of World War I.
What is the future of marijuana in the United States?
By 2011, marijuana had become legal or decriminalized in 15 states. But will it ever become legal? Join Cristen Conger of Stuff Mom Never Told You as she explains the controversy surrounding marijuana, and how this may (or may not) change in the future.
MythBusters: Square Wheels Aftershow
In the Square Wheels Aftershow, Adam and Jamie discuss the worth of square wheels, the difficulty they faced with steering and a square-wheeled motorcycle.
Kari, Grant and Tory answer fan questions in the aftershow for the Bird Balance and Fireworks Man myths, including their thoughts on destroying a limo and strange bird calls.
MythBusters: Revenge Of The Myths
Adam and Jamie respond to fan questions related to the water heater cannon and excavator myths, including how what they'd do differently and what they will test next.
MythBusters: Dust Devil Aftershow
Kari, Grant and Tory discuss dangerous driving, helicopter heights, actual spy drones, bunking in the Black Rock Desert and whether Grant REALLY hit Tory's car by accident.
MythBusters: Ballistics Barrel
In this episode of the Mythbusters Aftershow, Kari, Grant an Tory talk about the Ballistics Barrel myth, reminding fans that failure is always an option.