The world is more interesting than you think.
Unexpected facts, big ideas, and little discoveries. Find something that sparks your curiosity today.
A little more wonder
Paris operated a massive pneumatic tube network starting in 1866 that relied on pressurized air to blast cylindrical canisters of mail beneath the city streets.
Paris operated a massive pneumatic tube network starting in 1866 that relied on pressurized air to blast cylindrical canisters of mail beneath the city…
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Scientists have proposed diamond rain inside giant planets.
Scientists have proposed diamond rain inside giant planets. One hypothesis for Jupiter and Saturn starts with lightning breaking methane apart and leaving…
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Harry Reid International Airport in Las Vegas is one of the only airports in the world where you can gamble directly at your departure gate, generating tens of millions of dollars in revenue each year.
Harry Reid International Airport in Las Vegas is one of the only airports in the world where you can gamble directly at your departure gate, generating tens…
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A Welsh road sign accidentally told drivers the translator was out of the office.
A Welsh road sign accidentally told drivers the translator was out of the office. In 2008, officials in Swansea emailed for a translation of a restriction on…
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Your immune system detects and destroys mutating cells that have the potential to become cancerous every single day without you ever realizing it.
Your immune system detects and destroys mutating cells that have the potential to become cancerous every single day without you ever realizing it. Natural…
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A black box is orange for the people who must find it.
A black box is orange for the people who must find it. The recorder's bright casing helps it stand out among wreckage. An underwater locator beacon can also…
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Titanic's fourth funnel had a different job.
Titanic's fourth funnel had a different job. Three funnels carried exhaust from the boilers; the fourth provided ventilation rather than another boiler…
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Their bad mood looks like a personality; yours has a backstory.
Their bad mood looks like a personality; yours has a backstory. You see someone snap at a cashier and have only the behavior to judge. When you snap, you also…
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Swab tests repeatedly show that the fold-down tray table at your airplane seat is the absolute dirtiest surface on the entire aircraft, harboring roughly eight times more bacteria than the lavatory flush button.
Swab tests repeatedly show that the fold-down tray table at your airplane seat is the absolute dirtiest surface on the entire aircraft, harboring roughly…
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Blizzard Entertainment actually provided dedicated, private servers to the creators of South Park just so they could accurately film the in-game footage for their legendary World of Warcraft episode.
Blizzard Entertainment actually provided dedicated, private servers to the creators of South Park just so they could accurately film the in-game footage for…
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An Apollo 11 customs form lists the Moon as the departure point.
An Apollo 11 customs form lists the Moon as the departure point. The document, later shared by Buzz Aldrin, names the three astronauts and records Moon rocks…
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Sean Bean was so profoundly terrified of flying in helicopters that he chose to hike up a freezing New Zealand mountain every single day in his full Boromir costume to film his scenes for the Fellowship of the Ring.
Sean Bean was so profoundly terrified of flying in helicopters that he chose to hike up a freezing New Zealand mountain every single day in his full Boromir…
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Cast members on the hit sitcom The Office were provided with fully functional computers with actual internet access to make their background acting look more authentic.
Cast members on the hit sitcom The Office were provided with fully functional computers with actual internet access to make their background acting look more…
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Diogenes answered a definition of humanity with a plucked chicken.
Diogenes answered a definition of humanity with a plucked chicken. In the anecdote recorded by Diogenes Laertius, Plato's definition of a human as a…
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Tempered glass stores the stress that helps shatter it
Manufacturing leaves the surface compressed and the interior under tension. When damage lets a crack penetrate that protected surface, stored stress drives…
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Grimoires were mostly copied from bad translations
Many medieval grimoires were repeatedly copied by poorly educated scribes, whose mistakes garbled Arabic and Greek passages; some supposed demonic languages…
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Birth order leaves a smaller personality signature than you think
A 2015 study using three national datasets found a small firstborn advantage in intelligence measures, but no lasting birth-order effects on major traits such…
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Herodotus mistook marmots for gold-mining ants
A Persian term for marmots was translated as “mountain ants.” The animals dug in gold-rich soil, and a translation turned burrowing rodents into Herodotus’s…
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Why highway lanes are wider than your car
A lane needs room for more than a car’s body: mirrors, small steering errors and passing trucks all claim space. That margin keeps a driver from having to…
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Harry Potter was rejected by twelve publishers
Bloomsbury eventually accepted the manuscript after the chairman’s eight-year-old daughter asked to read the next chapter. Before that, twelve publishers had…
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Ancient Egyptians used grain receipts like money
A written claim on barley could do the work of money. Since grain sat in state-run silos, people traded receipts for goods rather than lugging the actual…
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Levitation tricks relied on really strong corsets
The apparent levitations were staged with hidden mechanical harnesses under the mediums' voluminous clothes, lifted by accomplices in the dark.
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Why happy people underestimate depression
A happy person may picture depression as feeling down and assume a little cheering up would help. That forecast borrows too much from the person’s current…
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Halo's ring world came from a 1970 sci-fi novel
Halo's ring-shaped setting drew heavily on Larry Niven's 1970 novel Ringworld; Bungie acknowledged the influence and built its own story around the structure.
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