HowStuffWorks Videos "Why? Tell Me Why! Alaska Oil"

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Why? Tell Me Why! Alaska Oil (1:30)

After spending a week in Alaska, Discovery News' Kasey-Dee Gardner wanted to find out why the state is so abundant in that resource.

How Do They Do It: Lab Created Diamonds (3:01)

Can you tell the difference between a lab created diamond and a regular diamond? On this episode of "How Do They Do It?" see how artificial diamonds are created in a lab.

Mountains of Fire: Earth's Structure and Volcanoes (6:46)

Volcanoes are special types of mountains. Long ago, all the continents formed one landmass called Pangaea. Colliding plates formed the continents and oceans we have today.

Sea Cliffs (0:41)

From the Archives of Discovery: Over time, the ocean erodes rock into dramatic and strange formations. Learn more about sea cliffs here.

Glitzy Gifts That Give Back (5:09)

The Diamond Information Center has spearheaded a project with four well-known charities in an effort to give back to those afflicted or affected by AIDS and Cancer. Shoppers will have the opportunity to purchase jewelry pieces with a portion of... More »

100 Greatest Discoveries: Burgess Shale Discovery (2:58)

Researcher Charles Walcott accidentally stumbled across this historical find that, once fully executed, contained over 65,000 specimens. Learn about the unprecedented discovery of the Burgess Shale on the Science Channel's "100 Greatest... More »

100 Greatest Discoveries: Radiometric Dating (2:54)

Bertram Boltwood's study of decaying radioactive uranium in rock formations provided insight into calculating the age of the Earth. Learn more about radiometric dating on the Science Channel's "100 Greatest Discoveries."

100 Greatest Discoveries: Geological Change (2:51)

On the Science Channel's "100 Greatest Discoveries," watch as Bill Nye examines Charles Lyell's study of rock formations and how they revealed that the process of geological change was slowly developed over time.

Natural Phenomena: Erosion and Uplift Work Together (1:18)

Uplift causes the land to rise, and erosion causes it to wear down. Together, uplift and erosion produce canyons and other landforms.

Earth Science: Radiometric Dating (5:31)

Radiometric dating is the process by which the age of a rock or fossil is determined through an examination of the decay of its radioactive elements. Learn more about radiometric dating in this video.

Earth Science: Geological Changes (3:25)

Geological changes are normal, expected developments that have occurred throughout Earth's history. However, abrupt geographical shifts may indicate serious, human-related problems. Learn more about geological changes in this video.