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What are some of the chemical dangers that might be associated with hydrogen-powered vehicles? Read about the hydrogen-powered vehicle dangers.

Ginger can be used in herbal remedies that relieve nausea and the pain of arthritis. Learn more about herbal remedies using ginger.

There are no left-handed sports exactly, but lefties seem to have an advantage in some sports. Learn which sports might be called left-handed sports.

A brownfield are abandoned pieces of land that may be contaminated. Find out more about what a brownfield can do to a community.

Natural cosmetics can be a safer choice in makeup. Learn what exactly natural cosmetics are and if going natural is always better.

Automatic solar panel cleaning makes solar panels far more efficient. Visit HowStuffWorks to learn all about automatic solar panel cleaning.

Plastic bags can be more than recycled or thrown away. Check out these 5 unusual uses for plastic bags to learn some crafty ways to reuse plastic.

Impetigo is a contagious skin infection. Learn more about how impetigo works at HowStuffWorks.

Makeup primer helps improve the way makeup looks on your skin. Visit HowStuffWorks to learn all about makeup primer.

The Doll's Theater of Carlsbad Caverns looks otherworldly and took ages to form. What other incredible sights await us below ground?

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