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10 Things You Should Know About Rachel Carson

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The late marine biologist Rachel Carson's groundbreaking book, "Silent Spring," debuted 60 years ago as one of the finest works of nature writing ever.

How the Emancipation Proclamation Worked

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While Abraham Lincoln's Emancipation Proclamation didn't free the slaves, it was a crucial political move. Read about the Emancipation Proclamation.

Causation vs. Correlation Explained With 10 Examples

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If you step on a crack, you'll break your mother's back. Surely you know this jingle from childhood. It's a silly example of a correlation with no causation. But there are some real-world instances that we often hear, or maybe even tell?

10 Famous Paranormal Hoaxes

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Crop circles. Alien autopsies. Time travelers. These are just some of the paranormal phenomena that people have believed in but were later found to be hoaxes. Often, even when someone admitted to making it up, that didn't stop the true believers.

How Communism Works

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Communism is a type of government that relies on collectivization of labor and good to equal out the classes. Learn about the workings of communism.

How Crime-scene Clean-up Works

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When you watch crime drama on TV, you don't usually see what happens after the police and ambulance leave a murder scene. One thing those people do not do is clean up the blood. That's the work of a whole different team.

How Psychopaths Work

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The average psychopath isn't a ruthless killer. Learn what makes a psychopath in this article at HowStuffWorks.

How Poker Works

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Once a game reserved for gun-wielding tough guys in smoke-filled back rooms, poker has become the mainstream. Now there are weekly poker games in homes all over the United States. Learn how to play poker.

10 Health Care Systems Around the World

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On our list of 10 Health Care Systems Around the World, you'll learn how other nations finance health insurance. Read about other health care systems.

How Hostage Negotiation Works

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A hostage situation places innocent civilians directly in harm's way, and armed intervention places the hostages at even greater risk. Learn how a skilled negotiator uses psychology, instinct and deception to achieve a peaceful end.

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