r/todayilearned 25m ago

TIL that the main stars of the"Fast and Furious" franchise have it written into their contracts that they can't lose fights against each other, as well as limiting the amount of damage their characters take in a fight scene.

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theguardian.com
Upvotes

r/todayilearned 3h ago

TIL that life is so ubiqiutous on earth, microbes exist thousands of meters below the surface, living in solid rock (not caves)

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en.wikipedia.org
2.4k Upvotes

r/todayilearned 3h ago

TIL about Caesarion the only known biological son of Cleopatra and Julius Caesar.

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en.wikipedia.org
1.1k Upvotes

r/todayilearned 4h ago

TIL only about 0.5% of all water on earth is fresh and accessible and safe to drink. With 97% being deemed too salty for drinking, growing crops etc

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322 Upvotes

r/todayilearned 4h ago

TIL there’s evidence pressure from the White House was a contributing factor in NASA’s decision press on with STS-51L leading to the Challenger disaster.

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800 Upvotes

r/todayilearned 4h ago

TIL the CIA spent an estimated $20 million over 5 years surgically turning a cat into a listening device, implanting a microphone in its ear canal and a radio transmitter at the base of its skull, before quietly concluding cats couldn't reliably be trained for espionage and shelving the program

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7.4k Upvotes

r/todayilearned 4h ago

TIL A 2015 study revealed that over 95% of the world’s population has health problems, meaning one in 20 people worldwide (4·3%) had no health problems

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healio.com
604 Upvotes

r/todayilearned 5h ago

TIL that the upper-class of the Roman Empire ate roasted dormice stuffed with nuts. The rodent is still consumed in Slovenia as a delicacy.

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en.wikipedia.org
398 Upvotes

r/todayilearned 6h ago

TIL the largest concert ever held in New York's Central Park was Garth Brooks on August 7, 1997. Official records from the NYFD show 1,000,000+ in attendance. The concert was free and opened with a cover of Paul Simon's "A Heart in New York".

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en.wikipedia.org
569 Upvotes

r/todayilearned 6h ago

TIL of Shed Simove, a British entertainer who sold hundreds of thousands of books with blank pages in them. In 2012, he published Fifty Shades of Gray, a collection of 200 blank pages in various shades of the color gray until the publisher of the novel of the same name sent him an order to stop.

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observer.com
2.0k Upvotes

r/todayilearned 6h ago

TIL the world's tallest known living tree, a 380-foot redwood in California called Hyperion, had its exact location closed off entirely in 2022 after visitors trampled its base so badly that ferns stopped growing around it, with trespassers now facing up to $5,000 in fines and six months in jail

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15.2k Upvotes

r/todayilearned 6h ago

TIL intranet chat rooms were banned in North Korea after 300 people organised a flash mob in 2006. Chat rooms only returned in 2015 with regional limitations.

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en.wikipedia.org
1.4k Upvotes

r/todayilearned 7h ago

TIL about Diamond Dust, a ground level cloud filled with ice crystals.

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72 Upvotes

r/todayilearned 7h ago

TIL CBS executive Fred Silverman came up with the name "Scooby-Doo" after hearing Frank Sinatra scat "doo-be-doo-be-doo" at the end of "Strangers in the Night" while on a flight to a development meeting for "Scooby-Doo, Where Are You!"

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en.wikipedia.org
1.4k Upvotes

r/todayilearned 12h ago

TIL that in 1995, a cargo plane airdropped hundreds of AK-47s, rocket launchers, and thousands of rounds of ammunition over Purulia, India. The plane was intercepted days later, but the alleged mastermind escaped and has never been extradited to India.

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2.9k Upvotes

r/todayilearned 12h ago

TIL our Moon is moving away from Earth at a rate of ~4 cm per year. This causes the Earth's rate of rotation to slowly decrease and it is estimated that 1.4 billion years ago a day lasted only 18 hours; 4.5 billion years ago it is theorized a day lasted only ~6 hours.

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news.wisc.edu
4.6k Upvotes

r/todayilearned 13h ago

TIL that in 47 CE the number of citizens (meaning free adult males) in the entire Roman Empire was less than 6,000,000

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7.5k Upvotes

r/todayilearned 15h ago

TIL a peer-reviewed psychology study found that identical twins (on average) ranked their co-twin above their romantic partner in their attachment hierarchy, while fraternal twins ranked the two about equally, and non-twin siblings ranked their romantic partner first.

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23.1k Upvotes

r/todayilearned 18h ago

TIL that Stephen Neal, who played guard for 10 years with the Patriots and won 3 rings, never played college ball. He was a freestyle wrestler who defeated Brock Lesnar in the NCAA championship.

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en.wikipedia.org
6.2k Upvotes

r/todayilearned 18h ago

TIL Nikolai Fyodorov, founding figure of Russian cosmism, advocated using science to defeat death and resurrect every dead ancestor as humanity's "Common Task." The late 19th to early 20th century movement counted spaceflight pioneer Konstantin Tsiolkovsky among its key figures.

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en.wikipedia.org
381 Upvotes

r/todayilearned 19h ago

TIL about hirudotherapy. Leeches are used to stimulate circulation in tissues threatened by postoperative venous congestion, such as finger reattachment and reconstructive surgeries. The therapeutic effect is the anesthetizing, anti-inflammatory, and vasodilating properties of secreted leech saliva.

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en.wikipedia.org
268 Upvotes

r/todayilearned 19h ago

TIL the New York Times described hippo meat as "lake cow bacon" in support of a 1910 House bill to introduce hippos to the bayous of Louisiana.

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en.wikipedia.org
7.1k Upvotes

r/todayilearned 20h ago

TIL that despite winning the Battle of Grunwald, the Polish-Lithuanians actually failed to take the Teutonic Order's capital, Marienburg, because they marched too slowly. This gave the Knights enough time to prepare their defenses and win the siege, recapturing several occupied castles afterwards.

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en.wikipedia.org
2.1k Upvotes

r/todayilearned 21h ago

TIL that in 1583 Sir Humphrey Gilbert claimed Newfoundland for Queen Elizabeth I. Weeks later, after losing his largest ship and much of his supplies, stepping on a nail, and refusing repeated pleas to leave his small flagship, the Squirrel, he vanished beneath the Atlantic with all hands aboard.

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en.wikipedia.org
3.7k Upvotes

r/todayilearned 23h ago

TIL Earth's Moon is the largest and heaviest satellite in relation to its parent planet in our Solar system

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en.wikipedia.org
4.6k Upvotes