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Landing on Mars will be one of the most dangerous and rewarding space missions. Learn how landing on Mars will further our understanding of space.

U.S. criminal records are on the increase in recent years. Find out how U.S. criminal records work.

Blowtorches produce an exceptionally hot flame and harnesses that heat to mold and cut metal. Learn how the blowtorch revolutionized welding.

Landslides can be devastating, causing more damage than their triggers. Learn more about landslides and landslide causes.

Fingerprinting is a popular technique for identifying criminals and authenticating access. Learn about fingerprinting and its storied history.

How DNA profiling works involves creating a DNA profile. Learn how DNA profiling works and how a DNA profile works.

Houseboats aren't the most common place to live, but they're an interesting alternative. Learn about houseboat living, how houseboats float and more.

The Underground Railroad was a network that helped runaway slaves escape to the North. Learn about the purpose and role of the Underground Railroad.

There are a number of home remedies for carpal tunnel syndrome that can relieve the aching pain. Learn about home remedies for CTS.

Learn what E85 is and why some people believe this alternative fuel has the potential to reduce our nation's dependence on foreign oil.

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