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Habitats

Related Article: Learn more about polar bears.

The particular place where an organism lives is known as its habitat.
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Through the Lens: The Study of Memory

Through the Lens: The Study of Memory (2:05)

Take a close-up look at the theoretical applications of memory study, which may benefit victims of neurological disorders, such as Alzheimer's disease.

Janine Benyus Talks at TED About Biomimicry

Janine Benyus Talks at TED About Biomimicry (23:58)

Watch this video from TED featuring author Janine Benyus on HowStuffWorks. Janine Benyus provides fascinating examples of biomimicry -- humans mimicking nature in the products we build and the systems we implement. See how humans and evolution work... More »

Cells and Genetics: Reversing Extinction

Cells and Genetics: Reversing Extinction (4:37)

Scientists face many challenges in trying to clone an extinct animal.

Introduction to DNA

Introduction to DNA (0:52)

This section discusses the discovery of DNA. DNA carries an organism's genetic material and may be passed on to its offspring.

100 Greatest Discoveries: Evolution

100 Greatest Discoveries: Evolution (2:08)

See how the fossil record changes our view of what it means to be "human." Learn more about evolution in this video from Discovery.

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Tsunami

Tsunami (2:37)

What are the odds a Tsunami will hit the United States?

Plane Crash

Plane Crash (2:40)

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

Lincoln's Coffee

Lincoln's Coffee (2:51)

What are the odds the coffee you are drinking has the same water molecules as Abraham Lincoln's?

Lightning

Lightning (1:57)

What are the odds you will be struck be lightning?

Earthquake

Earthquake (2:55)

What are the odds there will be an earthquake in the next 100 years?

Avalanche

Avalanche (2:36)

What are the odds you could die in an avalanche?

Aliens

Aliens (2:49)

What are the odds there is extraterrestrial life in outer-space?

Weaponology: Rapid Fire 2

Weaponology: Rapid Fire 2 (5:08)

In the late 20th century, the Gatling gun was re-imagined as a new and far more lethal aircraft weapon.

Energy Policy: Alternative Fuel Technology

Energy Policy: Alternative Fuel Technology (1:28)

John Hofmeister, President of Shell Oil Corp., discusses the role of technology in alternative fuels. Learn more about alternative fuel technology in this video.

Energy Policy: Combating Global Warming

Energy Policy: Combating Global Warming (1:40)

John Hofmeister, President of Shell Oil Corp., addresses the issue of global warming. Learn more about global warming in this video.