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@TodayILearnedAF
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The 'Today I Learned' or TIL channel, forwards hot posts from /r/todayIlearned. This channel doesn't add advertisements to the source url.
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Today I Learned - Ad Free
1.23K subscribers
Today I Learned - Ad Free
TIL that in 1841 Joseph Whitworth created the world’s first national screw thread standard, defining thread angle and pitch—and descendants of his system are still used today, including in cameras and computers
https://ift.tt/bT7c2mi

Submitted March 18, 2026 at 01:31PM by jacknunn
via reddit https://ift.tt/yYufSwj
❤2
163 viewsIFTTT, 
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TIL there are still 3 confirmed living Nazi War Criminals. Helma Kissner, Bruno Dey, and Yaroslav Hunka
https://ift.tt/jLiObHt

Submitted March 18, 2026 at 06:06PM by Sailor_Rout
via reddit https://ift.tt/Hv3Vy8R
⚡1🤯1
136 viewsIFTTT, 
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TIL that when you remember something you're not accessing the original memory. your brain reconstructs it from scratch every time and slightly rewrites it in the process which is why memories change over time
https://ift.tt/DSydgaL

Submitted March 18, 2026 at 06:23PM by NoSurprise3592
via reddit https://ift.tt/S5hykXD
The Debrief
Your Brain Rewrites Your Memories Each Time You Recall Them, New Study Finds
A recent neuroscience review questions the long-held belief that memories are unchanging records of past events.
😱1
130 viewsIFTTT, 
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TIL In the US the highest nominal price ever for gas per gallon was $4.22 on average in April 2022. The second highest was $4.06 per gallon on average in July 2008.
https://ift.tt/izdTQFH

Submitted March 18, 2026 at 07:07PM by Bluest_waters
via reddit https://ift.tt/mfSM9OJ
Human Progress
Are Gas Prices Really the Highest in History?
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TIL that Conan O’Brien, David Letterman and Jay Leno all once made the same Dan Quayle joke on the same night without any knowledge of the others making the same exact joke.
https://ift.tt/DWGXf7c

Submitted March 18, 2026 at 08:26PM by RareXG
via reddit https://ift.tt/WIZU7Ox
Variety
Conan O’Brien: Why I Decided to Settle a Lawsuit Over Alleged Joke Stealing
Conan O'Brien explains why he reached a settlement in a case where he was accused of stealing another comedian's jokes.
👍1
125 viewsIFTTT, 
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TIL that while there are rogue waves there are also rogue holes in the ocean
https://ift.tt/AtScnK7

Submitted March 18, 2026 at 07:25PM by notmepleaseokay
via reddit https://ift.tt/aKdqwSV
ZME Science
Your new phobia, unlocked: a rogue hole in the ocean
From a sailing myth to proven fact, rogue waves and the lesser known rogue holes are rare but real.
139 viewsIFTTT, 
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TIL that Mulholland Drive in Los Angeles is named after William Mulholland the chief engineer of the Los Angeles Aqueduct without which LA would have not been able to grow as large as it did in the 1920s.
https://ift.tt/oM06HXi

Submitted March 18, 2026 at 09:26PM by DeathMonkey6969
via reddit https://ift.tt/zMKecur
135 viewsIFTTT, 
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TIL the reason the Germans nicknamed the 588th Night Bomber Regiment "Night Witches" was because, when they cut the engines to their biplanes while making a bombing run, their planes gliding sounded like broomsticks. They fact that they were an all-women unit was a coincidence.
https://ift.tt/Mqa7C9o

Submitted March 18, 2026 at 10:44PM by Licensed_Silver_Simp
via reddit https://ift.tt/drvseG1
124 viewsIFTTT, 
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TIL that some humans can perceive magnetic fields subtly, with their brains showing reactions to Earth’s geomagnetic changes even without awareness
https://ift.tt/tCLyjWJ

Submitted March 18, 2026 at 07:53PM by One_Needleworker5218
via reddit https://ift.tt/37bQ2g9
Smithsonian Magazine
Some People's Brains Can Sense Earth's Magnetic Field—but No, It Doesn't Mean We Have Magnetoreception 'Superpowers'
A new experiment reveals signs our brains may respond to changes in Earth's magnetic field, but it's unclear whether it impacts behavior
❤1
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TIL that Indiana tried to pass a bill in 1897 that legally and incorrectly classified the mathematical term Pi as 3.2
https://ift.tt/TI6S9j4

Submitted March 19, 2026 at 12:04AM by Beautiful-Cress5695
via reddit https://ift.tt/KDTgd7p
😁4
135 viewsIFTTT, 
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TIL the largest age gap between a U.S. president and his First Lady occurred when President Grover Cleveland, who was 49 years old, married Frances Folsom, who was 21, on June 2, 1886, in the only wedding in history of a sitting president in a room of the White House.
https://ift.tt/EaTekSu.

Submitted March 18, 2026 at 08:53PM by RedditIsAGranfaloon
via reddit https://ift.tt/yhTQIuk
❤1
131 viewsIFTTT, 
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TIL Wellington R. Burt, 1831-1919 didn't leave his $100,000,000 estate to his children. His will had a "spite clause" which specified to wait until all his children and 21 years after his last grandchild while he was still alive had died. The estate was settled in 2011.
https://ift.tt/WmVBtyp

Submitted March 19, 2026 at 01:16AM by scottishlaw
via reddit https://ift.tt/q2XUIwz
🔥1
143 viewsIFTTT, 
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TIL that the world’s first "selfie" was taken in 1839 by Robert Cornelius, an amateur chemist and photography enthusiast. He had to sit still for over 15 minutes to capture the image.
https://ift.tt/IPBXxyL

Submitted March 19, 2026 at 12:07AM by Oulaminemoh
via reddit https://ift.tt/EvYmZOp
141 viewsIFTTT, 
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TIL the CNS Ischemic Reflex is the body's most powerful reflex. A "last-ditch" survival effort, it triggers when the brain is starved of oxygen, causing massive vasoconstriction to force blood upward. This surge is so intense it can cause kidney failure by completely cutting off their blood supply.
https://ift.tt/UyiBtX5

Submitted March 19, 2026 at 01:18AM by everycoolname
via reddit https://ift.tt/ZJtslr7
🔥1
156 viewsIFTTT, 
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TIL In 2016, researchers using a quantum light source found that humans could track whether a single photon was fired at their eye with a probability slightly better than chance. This suggests that while we don't "see" it as a bright spark, the information does reach our consciousness.
https://ift.tt/CWy647j

Submitted March 19, 2026 at 04:07AM by onesole
via reddit https://ift.tt/LPH2pry
🔥1
144 viewsIFTTT, 
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TIL that Velcro was invented in 1955 by Swiss engineer George de Mestral who got the idea after noticing burrs from a burdock plant clinging to his dog's fur during a hunting trip and spent 10 years developing the hook and loop design.
https://ift.tt/13w9OFJ

Submitted March 19, 2026 at 04:26AM by Working_Cost_645
via reddit https://ift.tt/aj29oqH
🔥1
137 viewsIFTTT, 
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TIL in 1184, King Henry VI held a royal assembly in Erfurt, Germany to settle a dispute between nobles. The floor collapsed under their weight, sending ~60 of them plunging through two stories into the latrine cesspit below, where many drowned in human waste. The King survived by sitting in a stone
https://ift.tt/Um8wjXW

Submitted March 19, 2026 at 09:18AM by the_h1b_records
via reddit https://ift.tt/TpWLqIt
😁3
128 viewsIFTTT, 
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TIL that 2x4’s are not actually 2”x4” anymore. The American lumber committee made the change officially in 1964 to account for drying and planing shrinkage post cut.
https://ift.tt/xiLtHQK

Submitted March 19, 2026 at 08:32AM by CraftedArtisanQueefs
via reddit https://ift.tt/wCmDi2W
Harvard Design Magazine
Nominal Versus Actual: A History of the 2x4
The ubiquitous lumber product known as the 2×4 does not, in fact, measure two inches thick by four inches wide. […]
132 viewsIFTTT, 
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TIL nearly 80% of US workers report that they have been victims of 'career catfishing’ from employers. Which in this context, the term describes when a company misrepresents a job, their company culture, or compensation to lure in candidates.
https://ift.tt/R5XHSgv

Submitted March 19, 2026 at 12:20PM by tyrion2024
via reddit https://ift.tt/Xrx8HbD
Yahoo Finance
Nearly 80% of US workers have been victims of ‘career catfishing’ — here’s what it is and how to vet your next employer
If it smells fishy, you might be at risk.
117 viewsIFTTT, 
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TIL that just 5 days of overeating calorie-dense sweet and fatty foods changed brain insulin responses in healthy-weight men, and some of those effects were still detectable a week after they returned to their normal diet.
https://ift.tt/8uhLGJI

Submitted March 19, 2026 at 11:54AM by Special-Ad-6096
via reddit https://ift.tt/tbSH9WY
Nature
How a junk-food splurge can change your brain activity
Nature - A short bout of indulgence in fatty, sugary snacks leads to lingering brain-activity changes ― even if it does not cause weight gain.
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TIL the world’s shortest scheduled commercial flight lasts just 1.5 minutes and can take as little as 53 seconds between two Scottish islands and has been operating continuously since 1967
https://ift.tt/gAU8Nsw

Submitted March 19, 2026 at 01:56PM by Mrk2d
via reddit https://ift.tt/tZjIDGS
126 viewsIFTTT,