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Cats are susceptible to some diseases that don't often affect humans. Learn about common cat diseases.

Aluminum is used in many products, from pots and pans to light bulbs and power lines. Learn how aluminum went undiscovered for so long.

Even pro athletes who live relatively modestly can still have money troubles. Here are 10 surprising bankrupt athletes from HowStuffWorks.

Circus performers' safety is a top priority. Learn about 10 circus safety strategies the audience doesn't see at HowStuffWorks.

If you travel internationally, Global System for Mobile Communications (GSM) GSM is the only cellular service available. See how GSM works.

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

Allowing pets on public transportation is a debatable topic. Learn all about rules for pets on public transportation at Animal Planet.

Winches are very handy hitch accessories to have. Learn all about winches at HowStuffWorks.

Bluejacking is a way to send harmless prank messages to nearby phones using Bluetooth wireless technology. Find out: What is bluejacking?

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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