Gold Rush: Down To Bedrock
With only 50 mining days remaining, the Hoffman crew reaches the pay dirt resting on bedrock that they pray will yield big gold.
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Ragin Cajuns: Voodoo Cajuns
Blimp explains the many superstitions of shrimping. He soon faces his own bad luck when his boat's winch breaks.
Gold Rush: Thurber's Grim Fix
After Todd and Harness decide to tear apart the washplant and set the operation back again, Jim Thurber just can't believe he's still stuck in the same downward spiral.
Material Marvels: Shape-memory Alloys
Shape-memory alloys are used in everything from space exploration to dentistry -- but how could metal have a memory? Tune in as Dr. Ainissa G. Ramirez, Associate Professor of Mechanical Engineering & Materials Science at Yale, explains. www.seas.yale.edu
Gold Rush: Cheating Death
One of the cameramen of the Gold Rush film crew finds out just how treacherous the road to the Quartz Creek claim is.
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Bering Sea Gold: What Is Gold?
After The Dredge host Thom Beers brings in UC Santa Barbara scientist Doug Fischer to help explain exactly what gold is and where it originates.
Bering Sea Gold: Wild Ranger Reckoning
The Wild Ranger crew's reunion comes to blows as Steve Riedel pushes Scott Meisterheim's buttons and owner Vern Adkinson hurls accusations at his former captain.