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What Is a Light-year?

science.howstuffworks.com/dictionary/astronomy-terms/question94.htm

A light-year is a way of measuring distance, which doesn't make much sense because "light-year" contains the word "year," which is normally a unit of time. So, how does a light-year measure distance?

If You Hear a Scream in a Movie, It's Probably the Wilhelm Scream

entertainment.howstuffworks.com/wilhelm-scream.htm

You may not know it, but you've probably heard it hundreds of times. It's the same scream of agony that's been used over and over in films since 1977.

How can studies on rats apply to humans?

science.howstuffworks.com/innovation/scientific-experiments/studies-rats-apply-humans.htm

Rats! They're just like family. Evolutionarily, anyway. So when it comes to research and biomedical study, what can they do for us?

What's the difference between old and vintage?

lifestyle.howstuffworks.com/style/body-scents-fragrances/difference-between-old-and-vintage.htm

Are you wondering what's the difference between old and vintage? Find out what's the difference between old and vintage in this article.

White Rhinos Communicate via Massive Communal Poop Piles

animals.howstuffworks.com/mammals/weird-poop-habits-white-rhino.htm

How do communal dung piles called midden help rhinoceroses communicate? Learn more in this HowStuffWorks article.

Gravitational Waves! Or the Chirps That Prove Einstein Was Right

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We've observed gravitational waves, thanks to two black holes colliding and two interferometers. Learn about gravitational waves at HowStuffWorks Now.

Do the Atlantic and Pacific Oceans Mix?

science.howstuffworks.com/environmental/earth/oceanography/atlantic-pacific-oceans-mix.htm

The waters of the Atlantic and Pacific oceans meet at the tip of Cape Horn and never the two shall mix, right?

93% of People Can't Crush This General Science Knowledge Quiz. Can You?

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Science may not have been everyone's favorite subject in high school, but many of these facts are common knowledge. You're a true nerd if you can guess them all.

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