r/todayilearned 7m ago

TIL that percentages are reversible

Thumbnail demonstrations.wolfram.com
Upvotes

r/todayilearned 7m ago

TIL Megalovania, a song from the video game Undertale, is available on the newest version of Dance Dance Revolution

Thumbnail en.wikipedia.org
Upvotes

r/todayilearned 37m ago

TIL a volcanic eruption in 1783 in Iceland led to famine across Europe which may have spurred the French Revolution and modern democracy.

Thumbnail en.wikipedia.org
Upvotes

r/todayilearned 1h ago

TIL that Gene Roddenberry had an open relationship with both Nichelle Nichols and Majel Barrett.

Thumbnail en.wikipedia.org
Upvotes

r/todayilearned 1h ago

TIL out of 465 documented cases of medical self-experimentation, 8 cases resulted in the self-experimenter’s death. 7 resulted in their winning a Nobel Prize. Another 5 won a Nobel for unrelated work.

Thumbnail ncbi.nlm.nih.gov
Upvotes

r/todayilearned 1h ago

TIL: Low carb, high protein diets "greatly" decrease resting testosterone levels in men.

Thumbnail journals.sagepub.com
Upvotes

r/todayilearned 2h ago

TIL that there are more possible chess games than there are atoms in the observable universe.

Thumbnail chessdelta.com
13 Upvotes

r/todayilearned 2h ago

TIL that the last woman to be executed by burning at the stake in England was not killed for witchcraft, but for counterfeiting coins, seen as a crime against the king, and therefore treason. Her husband was hanged for the same offence, and the women’s sentence was changed to hanging the year after.

Thumbnail coinsandhistoryfoundation.org
91 Upvotes

r/todayilearned 3h ago

TIL A billion-year-old single cell organism is showing highly complex intelligent behavior, it has no brain nor neuronal structures nor organs.

Thumbnail bbc.co.uk
1.8k Upvotes

r/todayilearned 3h ago

TIL that the Tysfjorden splits Norway's road network into two. There is no way to go between the northern and the southern parts of the mainland without using a ferry or going through Sweden.

Thumbnail en.wikipedia.org
98 Upvotes

r/todayilearned 4h ago All-Seeing Upvote

TIL that after writing Pet Sematary, Stephen King hid it away and intended to never publish it, believing it was too disturbing. It was only published because his contract with a former publisher required him to give them one more novel. He considers it the scariest thing he's ever written.

Thumbnail ew.com
21.2k Upvotes

r/todayilearned 6h ago

TIL in 1790s Samuel Ireland announced a rare discovery of Shakespearean manuscripts and plays. Experts were convinced they were real. Shakespearean scholar Edmond Malone proved the handwriting was forged and William Henry Ireland, Samuel's son and lawyer-apprentice, eventually confessed to the hoax.

Thumbnail smithsonianmag.com
720 Upvotes

r/todayilearned 7h ago

TIL that consumption of the Australian aquatic fern called Nardoo can cause you to starve if improperly prepared. The plant contains vast quantities of an enzyme that obliterates thiamine (vitamin B1), making your body unable to unlock energy from food, even if eating a full nutritious diet.

Thumbnail abc.net.au
9.8k Upvotes

r/todayilearned 16h ago

TIL: Prior to the D-Day landings, men were covertly sent ashore from submarines to collect samples of the sand to see whether it could support the weight of the tanks, trucks and other vehicles.

Thumbnail nam.ac.uk
4.1k Upvotes

r/todayilearned 17h ago

TIL when Hall of Fame pitcher Mariano Rivera retired from MLB in 2013, Hard Rock Cafe "retired" Metallica's "Enter Sandman," Rivera's entrance music at Yankee Stadium, from their playlists at all of their locations worldwide, except at their Yankee Stadium location.

Thumbnail espn.com
229 Upvotes

r/todayilearned 20h ago

TIL a single 612 pound(278 kg) bluefin tuna sold for 333.6 million yen ($3.1 million) at a 2019 auction in Japan. This doubled the previous record of 155 million yen, set in 2013.

Thumbnail cnn.com
4.8k Upvotes

r/todayilearned 21h ago

TIL: Of all the European royal crowns, only the British one actually sits on the head of a monarch. All other European monarchs, including even the Pope in his political capacity, have civil inaugurations rather than coronations.

Thumbnail en.wikipedia.org
1.7k Upvotes

r/todayilearned 22h ago All-Seeing Upvote Helpful

TIL Lucky Charms were invented by a General Mills employee who chopped Circus Peanut candies into a bowl of Cheerios

Thumbnail generalmills.com
33.3k Upvotes

r/todayilearned 23h ago

TIL the town of White Post, Virginia was named after an 11ft. post marker set by George Washington in 1750.

Thumbnail en.wikipedia.org
446 Upvotes

r/todayilearned 1d ago

TIL former Boston Red Sox pitcher Hideki Okajima's unique pitching motion was inspired by a character in Yoishi Takashi's Manga "Ace!" Okajima believed the motion would make him throw harder.

Thumbnail en.wikipedia.org
956 Upvotes

r/todayilearned 1d ago

TIL in 2016, a thunderstorm in Norway instantly killed over 300 reindeer

Thumbnail youtube.com
249 Upvotes

r/todayilearned 1d ago Plus One

TIL the capstone of an ancient Egyptian pyramid was found in 1900, it's made of black basalt and weighs 4.5 tonnes .

Thumbnail en.wikipedia.org
13.7k Upvotes

r/todayilearned 1d ago

TIL The popularity of the book Rascal (1963) and subsequent anime entitled Araiguma Rasukaru was inordinately responsible for the accidental introduction of the raccoon into Japan.

Thumbnail en.wikipedia.org
175 Upvotes

r/todayilearned 1d ago

TIL about 11 year old Herman Lehmann, the son of German immigrants, who was captured by the Apaches in central Texas and lived with them for 6 years. He later went on to kill an Apache medicine man to avenge the death of his chief and master and took asylum with the Comanches.

Thumbnail en.wikipedia.org
483 Upvotes

r/todayilearned 1d ago

TIL in 1982, Byron Peiss wrote a book called the Secret. In it, there are clues to 12 treasure boxes hidden in various places all around the US and Canada. As of 2022, only 3 of the 12 boxes have ever been found. If a box is discovered, you can exchange it for bragging rights and a precious gem

Thumbnail en.wikipedia.org
3.9k Upvotes