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TIL Bee's deposit a small positive electric charge on each flower they visit. They also posses "Electroreception" which allows them to detect the presence of electric fields on flowers. They use this info to know if a flower has been recently visited by another bee and therefore has less nectar.

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VBBA4 TIL George Lindsey (Goober Pyle) was Gene Roddenberry's first choice to play Spock on 'Star Trek'
8aOLG TIL there's only one type of toothpaste that actually rebuilds enamel and damage to teeth, as opposed to creating the environment for teeth to repair themselves. Using a chemical called NovaMin that was initially used in the 60s to quickly repair the bones of troops in battle.
brL4 TIL that in Weird Al Yankovic’s parody ‘Amish Paradise’ where the scene is in reverse, Al lip synced the words backwards whilst shooting normally so when the scene was reversed Al’s lips matched the video.
ZpylB TIL African wild dogs use sneezes to cast their vote on whether they are ready to begin a hunt. Researchers noted a minimum number of sneezes required to rally the group, with sneezes from dominant individuals worth more than other dogs.
yOOv TIL Domino’s reported a large rise in pizza sales in the 15 minutes before the OJ Simpson verdict. When the announcement began, the orders stopped, however; “not a single pizza was ordered in the United States for five minutes between 1 o'clock and 1:05”