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“Today I Learned”: 23 Lesser-Known Things About The World That Should Be Common Knowledge
Article created by: Gabija Saveiskyte
They say you can’t teach an old dog new tricks, but what about pandas? We believe that, regardless of your age, you can always learn something new. Just ask the members of Reddit’s ‘Today I Learned’ community! This group, which has an impressive 31 million members, is a wealth of information that’s constantly changing and updating, so below, we’ve gathered some of our favorite recent posts from TIL.
Keep reading to also find an interview with Alison Winfield-Chislett, founder and director of The Goodlife Centre in the UK, and be sure to share the tidbits of information you find most fascinating with your friends. I’m sure they’d like to learn more about why dishwashers were invented and why there are hundreds of raccoons wreaking havoc in Japan!
- Read More: “Today I Learned”: 40 Lesser-Known Things About The World That Should Be Common Knowledge (New Pics)
This post may include affiliate links.
#1
TIL about Don Ritchie, an Australian who intervened and prevented at least 180 suicide attempts at a notable suicide destination called The Gap. He lived nearby and would approach and ask “Can I help you in some way?”
not a sock 1 month ago
he invited them back for tea too. there are about 50 suicides at The Gap each year
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#2
TIL by passing a law requiring pharmacies to be owned by a licensed pharmacist, North Dakota has essentially done away with corporate chain pharmacies. Corporations that own pharmacies must be majority owned by licensed pharmacists.
#3
TIL that mature bull elephants play a pivotal role in elephant society. The absence of mature bulls creates juvenile delinquency in younger bulls, who will soon enter musth. When mature bulls were introduced into areas with a high concentration of delinquents, they soon put a stop to this behavior.
#4
TIL One of the largest charitable donations made by a lottery winner came from a man in Canada. Two years after his wife died from cancer, Tom Crist won the lotto and donated everything to organizations fighting the disease. Canada doesn't tax winnings, so Crist donated $40 million.
#5
TIL of castaway huts (or depots) which are deliberately placed on isolated islands by governments. They contain supplies and tools which can help people who become stranded there. Most were built by the New Zealand government in the 19th and 20th centuries.
#6
TIL the ancient Nazca got water in the middle of the desert through an engineered series of 46 aqueducts running 12 m underground. They were built around 200-500 AD, and 32 of them are still used by local farmers today.
#7
TIL about Josephine Cochrane, who invented the dishwasher because she was fed up of China breaking whilst being hand washed.
#9
TIL in 1952, Jimmy Carter led a team of nuclear scientists in disassembling a Canadian nuclear reactor undergoing meltdown. To accomplish this, Carter, alongside other American military personnel, personally lowered himself into the reactor to disassemble it by hand.
#10
TIL Roman concrete structures such as the Pantheon and aqueducts are ultra durable because of lime clasts. While many modern concrete structures crumble after a few decades, Roman concrete has self-healing functionality from lime clasts which allow their structures to survive millennia.
#11
TIL Sperm whales use babysitters. Sperm whale youths cannot dive as deep as their mothers so when the mother needs to forage in the deep the youth is kept safe by swimming with other adult whales.
#12
TIL that we start forgetting early childhood memories at around age 7.
kx6yrkxf7s 1 month ago
My earliest memory is hearing a song on the radio - ‘Freight Train’, by Nancy Whisky. It was released in 1957, I was born in 1954…
#13
TIL as a research student, Lawrence Bragg figured out how to use X-ray to study the atomic structure. His breakthrough discovery earned him the Nobel Prize in Physics at age 25.
#14
TIL the Japanese turned the third of their superbattleships (after Yamato and Musashi) into the largest aircraft carrier ever built at the time. After four years of construction and enormous cost, she left the shipyard and was immediately sunk by a submarine.
#15
TIL that the Fahrenheit scale was standardized 18 years before Celsius. The world switch due to the British Empire. The United States is actually using the earlier standard.
#16
TIL of Movile Cave, which has been completely sealed off from the outside world for 5.5 million years and evolved dozens of animal species found nowhere else, sustained only by toxic chemicals in the air and water, not photosynthesis.
#17
TIL in 1974 the band Ace had their only hit, How Long (has this been going on). The song is not about a cheating girlfriend - it’s about the band’s bass player, who was moonlighting with another band.
#18
TIL that Nikola Tesla once worked for Thomas Edison but left due to a disagreement over payment for his work on improving Edison's DC power systems. Tesla went on to develop AC power systems, which became the basis for modern electrical grids.
#19
TIL A repairman wanted to get out of work early and intentionally started a fire, causing $700,000,000 in damages to the USS Miami submarine.
#20
TIL Japan has become infested with North American raccoons after an anime based on the book Rascal aired in 1977 and caused thousands of raccoons to be imported as pets only to be released into the wild.
kx6yrkxf7s 1 month ago
Humans, eh - can’t live with ’em, can’t shoot ‘em. Don’t get me started on grey squirrels, signal crayfish, Japanese Knotweed, Himalayan Balsam…
#21
TIL 70% of people in the world do not use toilet paper.
#22
TIL the crews of Apollo 11, 12, and 14 had to spend 3 weeks in quarantine after returning to Earth because of the possibility that they might spread contagions from the moon.
#23
TIL Crypto.com mistakenly sent a customer $10.5 million instead of an $100 refund by typing the account number as the refund amount. It took Crypto.com 7 months to notice the mistake, they are now suing the customer.
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