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Do nail salon workers have a higher incidence of cancer?

health.howstuffworks.com/skin-care/nail-care/health/nail-salon-workers-cancer.htm

How safe are nail salon workers? Learn if nail salon workers have a higher rate of cancer and why they are more at risk.

The Tallest Mountain in the U.S. and 7 Close Contenders

science.howstuffworks.com/environmental/earth/tallest-mountain-in-us.htm

Although most of the highest mountains in the world are in Asia (looking at you, Mount Everest and Himalayas), the United States is home to some of the most breathtaking and impressive mountain ranges in the world.

What Was the Largest Wave Ever Recorded?

science.howstuffworks.com/environmental/earth/oceanography/largest-wave-ever-recorded.htm

Scientists have long been fascinated by the ocean's dynamic nature, where the force of the water collides with atmospheric phenomena to create waves of monumental size.

All About the Vaquita, the Most Endangered Marine Mammal

animals.howstuffworks.com/vaquita.htm

The vaquita is the most endangered marine mammal in the world. Abundance estimates place the total vaquita population at about 10 individuals.

Why Didn't Russia Sell Alaska to Canada?

history.howstuffworks.com/american-history/why-didnt-russia-sell-alaska-to-canada.htm

It made geographical sense for Russia to sell its territory of Alaska to Canada, but it opted to sell it to the U.S. instead. Why was that?

Do wind turbines kill birds?

science.howstuffworks.com/environmental/green-science/wind-turbine-kill-birds.htm

While some wind turbines kill birds, newer models are being built to reduce bird mortality. Learn why some wind turbines kill birds.

How Smokejumpers Work

science.howstuffworks.com/nature/natural-disasters/smokejumpers.htm

Smokejumpers are the men and women who specialize in fighting blazes their ground-bound peers can't reach. So who are they, and what's the "Mutilator"?

9 Cold Cases That Have Totally Baffled Investigators

people.howstuffworks.com/cold-cases.htm

Despite how hard investigators work, some crimes just baffle even the most gifted detectives. They go cold. That's where these nine cases stand. Will they ever be solved?

Electric Boats Make Emission-free Sea Travel a Reality

science.howstuffworks.com/transport/engines-equipment/electric-boats.htm

Electric-propelled boats, which are much quieter and more environmentally friendly than gas-powered motorboats, are finally beginning to hit the waves and find their market.

Can You Name All of These American Wildflowers?

play.howstuffworks.com/quiz/can-you-name-all-of-these-american-wildflowers

Tom Petty said, "You belong among the wildflowers." But would you be able to name them if you saw them in an image? Check out the ones we've put together, and see how well you know the wildflowers of America!

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