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When should you go to the ER? If you have one of these 10 conditions, the emergency room isn't for you.

Police body cameras can now be found in about a third of U.S. police departments. Here's what you need to know about police body cameras.

Time travel is a concept that has existed in science-fiction for hundreds of years. Learn about time travel and find out how time travel will work.

Blood diamonds in Africa are sold illegally to fund civil wars and terrorism. Find out about blood diamonds in Africa and the African diamond trade.

Bartering and the barter system are alive and well, but how do they work in our modern age? Learn about the barter system and bartering.

Minimum wage is supposed to ensure that workers get paid enough to live. Get the whole scoop on minimum wage -- from its history to current debates.

Ad slogans are techniques companies use to make their products and services memorable to you. Read about ad slogans here!

Wonder Woman's creator had a lot of dirty secrets. Learn all about Wonder Women's roots and how she changed through the years.

Learn how police officers train for pursuit driving, what equipment they use and what techniques give them an edge over fleeing criminals.

Learn how to fix pipes in this article, which addresses such common problems as pipes that leak, make a lot of noise, or become frozen.

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