Secrets of the Underground
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Secrets of the Underground
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What Symbols are on American Money?
A single bill contains dozes of symbols.
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Four-leaf clovers have been considered lucky for a LONG time!
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01:18
Secrets of the Underground
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Why Are Clovers Lucky?
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They’re very, very tiny simulations that allow scientists to learn more about the physics of earthquakes.
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03:03
Secrets of the Underground
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Scientists can Create Mini Earthquakes in a Lab
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Supervolcanoes occur when magma in the mantle rises into the crust but is unable to break through it and pressure builds in a large and growing magma pool until the crust is unable to contain the pressure.
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01:58
Secrets of the Underground
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This Popular Tourist Spot Sits Atop a Supervolcano
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Over the past five thousand years, shorelines have been completely reworked.
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01:28
Secrets of the Underground
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How Have Lake Levels Changed?
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Where did the heart symbol come from? It’s not a new shape.
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00:41
Secrets of the Underground
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Origins of the Heart Symbol
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Rob loved exploring Thor's Well despite how dangerous and difficult it was.
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01:29
Secrets of the Underground
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Rob's Favorite Location
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Out of all the places that Rob visited during the filming of Secrets of the Underground, which one does he think people should definitely visit?
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01:09
Secrets of the Underground
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Rob’s Go-To Spot
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On the Oregon coast there is a natural hole that appears to drain the sea.
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03:09
Secrets of the Underground
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What is Thor’s Well?
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Gungywamp was one of Rob’s favorite spots during this season of Secrets of the Underground!
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01:13
Secrets of the Underground
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Gungywamp May Provide Proof of Europeans in the Americas Before Columbus
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In order to see fine details underwater, scientists use special tech.
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01:57
Secrets of the Underground
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How Do Scientists Scan Underwater?
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Near Fresno, California, there are alarming signs of possible volcanic activity.
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03:00
Secrets of the Underground
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A Supervolcano Could Be Waking Up in California
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A single bill contains dozes of symbols.
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01:16
Secrets of the Underground
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What Symbols are on American Money?
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Funny enough, these symbols were used to classify plants before classifying humans and animals.
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00:54
Secrets of the Underground
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Where Did the Female and Male Symbols Originate?
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The cave in central Texas is home to more than 10,000 prehistoric fossils.
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02:44
Secrets of the Underground
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This Cave in Texas is Full of Ice Age Fossils
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What is Pi and where did its symbol come from?
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00:53
Secrets of the Underground
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Where Did Pi Come From?
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Rob Nelson and the Secrets of the Underground crew stayed after hours to capture footage at this infamous prison.
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02:22
Secrets of the Underground
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What Was It Like Shooting At Alcatraz After Dark?
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They’re very, very tiny simulations that allow scientists to learn more about the physics of earthquakes.
W
W
W
Sign In
03:03
Secrets of the Underground
W
Scientists can Create Mini Earthquakes in a Lab
i
On the Oregon coast there is a natural hole that appears to drain the sea.
W
W
W
Sign In
03:09
Secrets of the Underground
W
What is Thor’s Well?
i
Rob loved exploring Thor's Well despite how dangerous and difficult it was.
W
W
W
Sign In
01:29
Secrets of the Underground
W
Rob's Favorite Location
i
In order to see fine details underwater, scientists use special tech.
W
W
W
Sign In
01:57
Secrets of the Underground
W
How Do Scientists Scan Underwater?
i
Over the past five thousand years, shorelines have been completely reworked.
W
W
W
Sign In
01:28
Secrets of the Underground
W
How Have Lake Levels Changed?
i
Supervolcanoes occur when magma in the mantle rises into the crust but is unable to break through it and pressure builds in a large and growing magma pool until the crust is unable to contain the pressure.
W
W
W
Sign In
01:58
Secrets of the Underground
W
This Popular Tourist Spot Sits Atop a Supervolcano
i
Near Fresno, California, there are alarming signs of possible volcanic activity.
W
W
W
Sign In
03:00
Secrets of the Underground
W
A Supervolcano Could Be Waking Up in California
i
Out of all the places that Rob visited during the filming of Secrets of the Underground, which one does he think people should definitely visit?
W
W
W
Sign In
01:09
Secrets of the Underground
W
Rob’s Go-To Spot
i
Rob Nelson and the Secrets of the Underground crew stayed after hours to capture footage at this infamous prison.
W
W
W
Sign In
02:22
Secrets of the Underground
W
What Was It Like Shooting At Alcatraz After Dark?
i
Gungywamp was one of Rob’s favorite spots during this season of Secrets of the Underground!
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01:13
Secrets of the Underground
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Gungywamp May Provide Proof of Europeans in the Americas Before Columbus
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Secrets of the underground premieres on Valentine's Day!
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00:59
Secrets of the Underground
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Secrets of the Underground Promo
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Get ready for the new Science Channel series, Hacking the Wild!
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00:30
Hacking the Wild
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Andy Quitmeyer is Hacking the Wild
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Using just a simple hand drill and a large stick, Andy was able to make a clothes dryer!
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00:55
Hacking the Wild
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How to Hack the Wild: Clothes Dryer
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Andy needs fresh water, so he looks to a laptop screen and old snail shells to help him fight dehydration.
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02:59
Hacking the Wild
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Using a Laptop Screen and Snail Shells to Distill Water
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You get start a fire using the acidity from a pineapple!
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00:49
Hacking the Wild
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How to Hack the Wild: Pineapple Fire Starter
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Swamp mud is no joke, and Andy needs to keep calm to escape this situation.
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02:37
Hacking the Wild
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Escaping This Thick Mud is No Easy Task
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