Stephen Hawking's Sci Fi Masters: A New Day
When powerful, evil men plot, no one is safe. In this episode of Stephen Hawking's Sci Fi Masters, a Watchbird aircraft is unleashed to protect the country.
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.
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.
Gold Rush: Wash Plant Death
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: 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.
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.
Head Rush: Dark Matter
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.
Frozen Planet: Gray Wolves Chase Down Bison
A pack of northern gray wolves harass and then attack a herd of wood bison. This is the first time wolves have been filmed hunting bison, both from the ground and from the air.
Gold Rush: Pushed Too Hard
Hard work and no pay sets up a confrontation between Dustin Hurt and his father Dakota Fred at the Porcupine Creek claim.
Gold Rush: Car Crash
The crew tackles a treacherous road known for causing accidents. One of them has an accident of his own.
Towing the Space Shuttle
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: Master Welder
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: 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.
MythBusters: Bird Balance
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.