Code Brown: Pools Are Nasty, Study Says

It's just about vacation and pool season. But do you know exactly what you're swimming in?

10 Things You Should Know About Rachel Carson

The late American marine biologist and conservationist Rachel Carson is perhaps one of the finest nature writers of our time. And her groundbreaking book 'Silent Spring' is credited with launching the environmental movement.

African Ant GPS Finds Fastest Route Home

African Matabele ants always take the quickest route back to headquarters, which may not be the shortest path.

5 Animals Whose Blood Isn’t Red

Not all animals have red blood flowing through their veins. Meet some our blue-blooded, green-blooded and, yes, transparent-blooded fellow creatures.

What's the Difference Between England, the U.K. and Great Britain?

There's a whale of a difference between the United Kingdom and Great Britain. But whatever you do, don't call someone from Scotland "English."

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How Video Game Localization Works

Tweaking a game's look and language can personalize it for various audiences. It also has the potential for massive awkwardness. Learn more about video game localization at HowStuffWorks.

Why Some People Can't Sleep Without a Fan

Are you one of those people who can't fall asleep without the sound of a fan? The reason may have something to do with your "sleep spindles."

10 Types of Study Bias

We often think that if a drug has been studied by scientists and given a favorable outcome, then it must be safe and proven. But many kinds of biases can creep into a study, rendering it less than effective.

How Wine Fraud Works

Whether by tampering with the bottle or the liquid inside, wine fraudsters have fooled billionaires and wine connoisseurs alike into thinking an unremarkable bottle of merlot is really an exceptional vintage. Here's how they do it – and why.

Can Adults Overcome Math Anxiety?

Does your brain start to cramp at the thought of having to do math? Experts explain why some people have math anxiety and how they can overcome it.

10 Films That Changed Filmmaking

Director Stanley Kubrick once said, "The screen is a magic medium" because it can convey moods and emotions as no other art form. We'll look at 10 movies that stirred emotions while pushing the boundaries of filmmaking.

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Code Brown: Pools Are Nasty, Study Says

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