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Cars With No Drivers

Cars With No Drivers (2:03)

Watch this Medialink video showing the future of cars-they drive themselves. The DARPA Grand Challenge is a government-sponsored competition to build the first truly driver-less car. This year's winning car uses cameras and lasers to drive safely.

The Mountains of Mars

The Mountains of Mars (2:27)

Scientists determine the mountains on Mars did not form by plate tectonics.

Computer Tour

Computer Tour (3:24)

Have you ever wondered what is on the inside of your computer? Watch this video from HowStuffWorks as we take you on a tour of your computer.

Addicted to Oil: Hybrid Cars

Addicted to Oil: Hybrid Cars (2:29)

With gas prices rising precariously, hybrid cars may be the wave of the future. Learn more in this video brought to you by the Discovery Channel.

Italy: Arts and Culture in Florence

Italy: Arts and Culture in Florence (2:27)

Travel back in time to the Renaissance period in Florence, Italy.

HowStuffWorks SCUBA Cat Commercial

HowStuffWorks SCUBA Cat Commercial (0:32)

HowStuffWorks.com goes prime time with our first ever television advertising campaign. Check out this video of Hawkeye the scuba diving cat taking a dip and Keep Asking great questions.

Green Gadgets: Garden Glo

Green Gadgets: Garden Glo (3:20)

The Garden Glo is a multipurpose planter and garden light that runs on solar power. Learn more about the Garden Glo in this HowStuffWorks video.

Plane Crash

Plane Crash (2:40)

What are the odds you will die in a plane crash?

Roller Coasters: The Physical Limits

Roller Coasters: The Physical Limits (3:07)

Roller coaster designers must be aware of the physical limitations of the human body. Learn more in this video.

How Fuel Cells Work

How Fuel Cells Work (3:18)

Fuel cells may soon generate electrical power for all sorts of devices we use every day. Learn more about fuel cells in this video from HowStuffWorks.

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17th Century Supernova

17th Century Supernova (5:11)

Telescopes are teaming up to look back in time to watch a 17th century supernova explode. Since it was so far away, we're just now seeing the explosion because it took so long for the light waves to get here. Video courtesy of NASA.

Can a planet have two suns?

Can a planet have two suns? (3:30)

Watch this NASA video to learn how a planet can have two suns. In short, yes. They're called binary stars and they are very common - it's just that we can't see the separation from Earth without a telescope.

What Will Happen to the Earth When the Sun Dies?

What Will Happen to the Earth When the Sun Dies? (3:58)

Watch this NASA video to learn what will happen to Earth with our sun dies. Our sun turns hydrogen into helium and it will continue to do so for the next 5 billion years or so. Watch this video to see what happens then.

First Steps for Lunar Impactor

First Steps for Lunar Impactor (4:28)

Watch this NASA video to see how NASA plans to build an outpost on the moon. NASA astronauts first walked on the moon on July 21, 1969. Learn all the obstacles that these astronauts will have to overcome and how they plan to achieve this mission.

geography channel videos

FPO

Ocean Waves (2:35)

From the archives of Discovery: Watch as a rescue helicopter and a bird interact with earth\'s largest ecosystem, the ocean. Learn more about the ocean in this video.

FPO

How Rainforests Work (1:59)

Rainforests are important because of their biological diversity, oxygen production, and vital role in world ecology. Learn more about rainforests in this HowStuffWorks video.

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Discovery videos

FPO

Shark Week: Shark Tagging Explained (2:48)

Researchers tag sharks with satellite transmitters for tracking.

FPO

Flying Heavy Metal: Jet Race 2 (2:33)

Check out this clip, as Bruce explains the advantage of the jet over the prop.

FPO

Brazil: Sao Paulo Brazil (2:14)

Bull riding and agriculture work together in the city of Sao Paulo.