› added 5 years ago

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[TIL] about the GIANT murder hornet that has recently been seen in the US and UK. It has a 75mm (2.95 in) wingspan and a 6mm (0.25 in) stinger. They hunt in packs and can kill humans,. if you're unlucky, their stings cause necrosis (your flesh dies while you are alive.).

jNdlj TIL that Prince wrote - and recorded - the synthesizer part for the Stevie Nicks song Stand Back. She called him the night she came up with the melody, and he came right over, "walked over to the synthesizers that were set up, was absolutely brilliant for about 25 minutes, and then left."
6EBKY TIL about the origin of the term “decimation”. It was a punishment in the Roman Army where soldiers were spilt into groups of 10, straws were drawn and whoever drew the short straw was clubbed, stabbed or stoned to death by the remaining 9. The first recorded instance of this is from 478 BC.
yVyXa TIL of ‘Project Pigeon’, a WW2 era US funded attempt to train pigeons to guide bombs to their targets. The pigeons were put inside of the bombs and acted as pilots, repeatedly pecking the target displayed through a lens to keep the bomb on course to the target.
GYwbQ TIL: Norway’s flag contain 6 other countries flag that include: Indonesia, Thailand, Poland, France, Netherlands, and Finland
Lk9lp TIL that while peacock mantis shrimp can see light ranging from deep UV to far IR (300-720nm), they can only discriminate wavelengths that are more than 25nm apart, the difference that separates orange and yellow, with humans being able to discriminate wavelengths that are only 1-4mm apart