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TIL That the often represented visual of the Jellyfish is their Ephyra or Medusa developmental stage. Before the Ephyra stage, it is attached to the ground and has a "stalk-like" structure. This is known as the Polyp stage.

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EgyZP TIL in 1948, Paul Hermann Müller won the Nobel Prize for the discovery of the potent toxic effects on insects by DDT. This pesticide was later on linked to deaths and adverse reproductive effects in both animals and humans.
VB1w0 TIL - The first automotive recall was for the Ford Model T due to chigger bites. Ford either used Spanish Moss for seat padding or Spanish Moss as stuffing for Cypress wood crates, with the Cypress being used for the dashboard. Both items created a small ecosystem for the chiggers.
NMZb TIL a Russian equivalent of “Don’t count your chickens before they hatch” is “Catch the bear before you sell his skin”
Z8JG TIL no Los Angeles police officers have died in the line of duty in almost 4 years
1aOar TIL that in the Soviet era, the Russians built a series of over 130 nuclear powered, unmanned lighthouses along the northern polar coast. These have since fallen into disrepair. Not all of the original sites are known, and some have been looted including the Strontium-90 cores.