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What's the Saltiest Water in the World?

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Lincoln’s Famous Letter of Condolence to a Grieving Mother Was Likely Penned by His Secretary

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These Deep-Sea Worms Could Live More Than a Thousand Years

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Will the Solar Eclipse Have an Impact on the Weather?

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7 Eye-Opening Facts About Venus

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9-Year-Old Boy Trips Over the Bones of a Long-Extinct Elephant Relative

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And Now, the Weather (On Mars)

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These Strange Sea Spiders Breathe Through Their Legs

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How to Make Perfect Fried Chicken, According to Chemistry

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5 Takeaways From the Study That Found Second-Born Boys Get Into More Trouble

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Scientists Study the Starling Invasion Unleashed on America by a Shakespeare Fan

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Your Dominant Side Might Determine the Way You Kiss

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The Brain Chemistry Behind Your Caffeine Boost

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Can You Spot Which Photo Is Fake? Most People Can’t

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Could Imported Sperm Help Save America’s Bees?

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8 Defining Facts About Jane Goodall

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Jam vs. Jelly: What's the Difference?

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©2017 Mental Floss, Inc. All rights reserved. Mental Floss® is a registered trademark owned by Felix Dennis. mentalfloss.com is a trademark owned by Felix Dennis.