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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.

The railroad expansion of the middle and late 1800s changed America forever. Read more about the westward expansion of railroads.

Dangerous places for shark attacks dot the globe, but some spots rate higher than others. See where the most dangerous places for shark attacks are.

Memory is your only personal record of the past and of who you are as an individual. What if you woke up one morning and your memory was gone?

Eccentric homes with hidden passageways aren't confined to detective novels. Learn about these five eccentric homes and what makes them so weird.

Marathons are 26.2 miles in length and have been known to cause death. Find out what marathons are all about and why anyone would run one.

Taking care of your ears is a small price to pay in return for how much they do for you. Learn how to clean, care for, and protect your ears.

Landlords rent or lease apartments and homes as a business. Learn more about landlords and what's involved in renting property.

Home-repair tools obviously are essential in doing any home-repair project. Find out about home-repair tools, from saws to drills.

Why does health care cost so much? And, why isn't the population any healthier? Learn the biggest U.S. health care cost debates at HowStuffWorks.

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