› added 5 years ago

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TIL about the Cleaner Shrimp and how it operates a Cleaning Station in the sea. The Shrimp waves its antenna to signal its availability to approaching fishes and the fish changes color from light to dark indicating that it wants to be cleaned , the fish don’t eat the shrimp that rid them of pests

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4Dpo TIL the final song on Pink Floyd’s album “Atomic Heart Mother” -“Alan’s Psychedelic Breakfast”- features a dripping sink at the end where on original vinyl copies, the effect was cut into the vinyl’s run-off groove, causing the dripping noise to play on infinitely until the stylus was removed
xVJ7g TIL Killer bees were created in an attempt to breed tamer and more manageable bees. This was done by crossing a European honey bee and an African bee, but instead the offspring became more aggressive and highly defensive bees that have escaped into the wild.
LEWQ TIL that in 2012 an image depicting the french revolution in a History finals paper (GSCE equivalent) was deemed suitable, unknowing the examiners and students that in the background was a photoshopped mech warrior.
yBeX TIL the pinstripe on a Rolls Royce is handpainted, with no margin for error as the the paint has special properties that instantly bond it to the underlying car paint.
8aljL TIL the Lion's roar from the Metro-Goldwyn logo is actually made from tiger vocalizations, as "lions don't make that kind of ferocious noise and the logo needed to be ferocious and majestic"