› added 5 years ago

217

TIL an Iranian F-4 Phantom was attempting to shoot down a drone. The drone was being escorted by an F-22 Raptor which is a stealth fighter. The F-22 flew underneath the F-4 to examine it's munitions all without the F-4 noticing. The F-22 then told the F-4 "you really ought to go home", and it did.

Read more nationalinterest.org

via reddit.com

4kv4a TIL about Sierra Mixe corn, a crop that can grow in nitrogen-depleted soil due to its aerial roots that secret a mucus to host symbiotic bacteria which fertilizes the plant.
DQWgj TIL of the Scienceers, one of the first regularly meeting science fiction clubs and pioneers of the scifi fandom. The club's first leader, Warren Fitzgerald, was also the club's only black member. Additionally, one of the members was Mort Weisinger, who would go on to create Aquaman and Green Arrow.
WDAB TIL that CEO stock options are tax deductible as a business expense in America, meaning that tax payers are subsidizing $7bn in CEO pay each year.
Z8kyo TIL We are designed to create stories as soon as we have enough informations available. The heider-Simmel illusion is a perfect example of it, as we only see triangles, lines and a circle, but still understand it as "a good one helping a circle to escape from the bad triangle after a fight".
N7dw8 TIL that in the 1920s, cows started spontaneously hemorrhaging. It was found they were eating hay from moldy sweet clover; the mold helped convert an aromatic compound in the clover into an anticoagulant. The substance was isolated and used as rat poison, and later the drug Warfarin.