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Waterjets are explained in this article. Learn about waterjets.

The toy picture gallery has photos of the most popular toys of all time. Check out the pictures of dolls, action figures, and building blocks.

Astronauts eat in space with the help of special contraptions and carefully packaged food. Learn more about how astronauts eat in space.

Vitamin C is a healthy part of any diet. Learn how vitamin C acts as an antioxidant vitamin.

There are many home remedies for restless legs syndrome that can help you get a good night's sleep. Learn home remedies for restless legs syndrome.

Crocodiles and dinosaurs definitely lived during the same time, but how closely are they related? Did crocodiles descend from dinosaurs?

How are amnesia and head trauma related? What happens if you get bonked really hard on the head? Learn about amnesia and head trauma in this article.

Giving the gift of health is a great way to spend your holiday season. Learn about giving the gift of health in this article at HowStuffWorks.

Why do beavers build dams and what happens when they do? How would things change if no more beavers build dams?

The 1960s were a groovy time, with fads like the lava lamp and go-go boots making their debut. Find out what the grooviest crazes of the 60s were.

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