How Jupiter May Have Gifted Early Earth With Water

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How Jupiter May Have Gifted Early Earth With Water. Young gas giants throw debris toward inward planets, including hydrogen-rich materials.

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Brazil's Geography Problem. It's a big country with lots of people, so why isn't it a world power?

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The Science of Hearing. Our ability to detect and interpret sounds is due to an amazing and complicated biological system.

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Lucasfilm Might be Putting Future Star Wars Spinoffs on Hold. Solo's disappointing box office was a surprise glitch in the moneymaking machine.

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Why Women Say Nothing Is Wrong When Something Is Clearly Wrong. She has plenty of reasons not to share it with you right now.

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How to Decorate Like a Viking. Archaeologists have built a palette of the paint colors used on Viking homes and buildings.

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The Breastfeeding Zealots of the Neonatal Ward. Maternal lactation is pushed to the point of shaming mothers with hungry babies.

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9 Amazing Tiki Bars. A visit will cool you off even on the hottest day.

The Mental Floss Store Is Back!

Mental Floss Store
Mental Floss Store

You've been asking about it for months, and today we can finally confirm that the Mental Floss Store is back up and running! Simply head here to find dozens of T-shirts with all sorts of unique designs to choose from, whether you’re in the market for a pi pun, a risqué grammar joke, or something only your fellow bookworms will appreciate. You can even use your new Mental Floss shirt to teach your friends all about scurvy.

Mental Floss Store

If you’re just in the mood to express your love of all things Mental Floss, you can also get our darling little logo on phone cases, tote bags, mugs, baby bibs, and more.

Mental Floss Store

Head on over to the Mental Floss Store to see our entire collection. And if you use the code FLOSSERS at checkout by end of day Sunday, you'll get 20 percent off your order. 

Sign Up Today: Get exclusive deals, product news, reviews, and more with the Mental Floss Smart Shopping newsletter!

Climate Change Is Coming for America’s National Parks

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iStock

Climate Change Is Coming for America’s National Parks. Imagine Glacier National Park without a glacier.

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The Chimp Who Believed She Was Human. After being raised in a human home, it took years for Lucy to learn to be an ape again.

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The Mathematical Madness of Möbius Strips and Other One-Sided Objects. A look at the history of the mind-bending field of topology

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These 1930s Housewives Were the Godmothers of Radical Consumer Activism. They protested rising food prices with the Hamtramck Meat Strike.

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Disneyland’s Fantasyland Recreated in Incredible Detail in a Basement. A railroad engineer hand-crafted his own theme park over ten years.

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The Princess Who Worked at Macy’s. The Queen of Romania also built furniture, raised poultry, and enjoyed off-roading.

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America is on the Verge of a Nursing Crisis. Our nursing schools don't have the capacity to supply our current needs, much less our future needs.

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15 Amazing Animal Reunions. It's good to know that pets lost for years might find their way home.