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TIL about FADs (fish aggregating devices), which are man-made floats or buoys tethered to the ocean floor. Fish are fascinated with and aggregate in considerable numbers around floating objects which provide a “visual stimulus in an optical void.” 1/3 of global tuna are caught using FADs.

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7LRX TIL that safety concerns about “pencil lead” were actually about lead being in the yellow paint on the pencils. Graphite has always been used as the core, and there was never a “lead” pencil in this century
wXE7 TIL that Florida passed a law requiring toddlers in state-run schools to listen to classical music every day, and in 1998 the governor of Georgia budgeted $105,000 per year to provide every child born in Georgia with a tape or CD of classical music.
7rBwO TIL that Theodosia Burr Alston, daughter of U.S. Vice President Aaron Burr, disappeared mysteriously at sea in 1812. At age 29 she sailed from Georgetown, South Carolina, aboard the Patriot. The ship and everyone on board was never seen again.
9g6m TIL in 1994, when the show Married… With Children moved its taping locale from Fox’s Hollywood Studios to the Sony-Columbia locale where the ABC series Full House had taped, prior to taping their first show at the new locale, the cast held an exorcism to rid the studio of the Full House spirits.
nWj6b TIL Ancient Egyptians mixed lead into their eyeliner, resulting in an immune response, killing off bacteria and preventing diseases. It’s also where the color Kohl originated from.