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Horseshoe crabs are a valuable commodity to the biomedical industry, which is not helping their chances of survival. HowStuffWorks takes a look.

Can one big hit TV show provide you income for life? Find out if a TV actor can live off royalties forever.

A small amount of household bleach, while it sounds gross, probably won't harm you. But what happens if you drink more than that?

These six surprising benefits of pregnancy just add to the joy of bringing home the baby. Learn six surprisingly benefits of pregnancy.

Why is quality motor oil important? Read about the importance of quality motor oil at HowStuffWorks.

HowStuffWorks looks at the history of Arlington Cemetery's Tomb of the Unknown Soldier, and the Army's elite Sentinels who guard it, 365 days a year.

HowStuffWorks hikes El Caminito del Rey, a very dangerous hiking path in Spain that was closed to the public for 15 years after several deaths.

HowStuffWorks looks at a new documentary which follows rapper Speech Thomas of Arrested Development as he works with prison inmates to change lives.

Did Christopher Columbus did he really prove the world was round? Did he think he had found a new continent? And how was he perceived back home?

Not all fossils are found on dry land. In fact some of the most fascinating fossil finds in history have been submerged for centuries.

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