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How to Build An Invisibility Cloak to Hide Earth From Aliens

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Intriguing Headline of the Day: How We Could Build an Invisibility Cloak to Hide the Earth From an Alien Civilization

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Why do humans have a compulsion to collect things? This video explains why you bought all those Beanie Babies.

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Earth’s oceans may be the key to understanding the universe—the sea floor is covered with sediment that tells the history of outer space.

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Making a movie is difficult. These famous scenes and characters were especially hard and unpleasant for the performers—but they turned out great.

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This guy can create detailed engraved pictures that measure just a single millimeter across. He has to work in the time between heartbeats to keep his hand steady.

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Watch Mr. Wizard explain the cutting-edge tech that is the laserdisc.

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If You Find Aliens, Who Do You Call?
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If You Find Aliens, Who Do You Call? Various officials reveal how they pass the buck on such calls.

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Meet the Murderous Viking Princess Who Brought the Faith to Eastern Europe. Game of Thrones could learn a thing or two from Saint Olga.

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Silver Medal Shocker. The story of the notorious U.S.-USSR gold medal basketball game at the 1972 Olympics.

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Star Wars and the Strategic Use of Chasms. No real spaceship or space station will ever have that much elbow room.

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The Story of Hyperchess, a 3D Chess Game Inspired by Star Trek. Max Chappell worked for 20 years to get it right.

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In the 16th century, Dutch Renaissance artist Pieter Bruegel the Elder painted a village scene filled with people doing nonsensical things. Netherlandish Proverbs illustrates over 100 old Dutch proverbs.

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The Slash: The 20-Foot Clearing That Stretches 5525 Miles Across World's Longest Border. You can see it in satellite images

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10 Things Done to Balls to Give Athletes a Competitive Edge. The "deflate-gate" scandal of 2015 was far from the only time it was done.

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The Y Chromosome Is Slowly Disappearing
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The Y Chromosome Is Slowly Disappearing. At this rate, the male sex has only a few million years left.

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Why Brigham Young University Had a Secret Cola Vending Machine. The Mormon prohibition against certain drinks leaves a lot of room for interpretation.

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How Your Worst Fears Stack Up Against Reality. Select your top three fears, and the app will explain what your odds of dying from each one are.

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London, 1682 vs. Today. The Morgan Map has been overlaid with aerial views of the modern city for comparison purposes.

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The Boy Who Stayed Awake for 11 Days. A science fair project led to a world record that still stands.

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When Nixon Said “Sock it To Me” on Laugh-In. His 1968 appearance opened the door for presidents on entertainment shows.

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The Problem With Perfectionism. The competitive world of college has raised students' standards to a never-ending stress level.

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8 Forgotten Pie Recipes We Should Bring Back. We can make the world a better place with more kinds of pie.

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