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TIL shed antler hunting is illegal in many places

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via reddit.com

D6wp TIL the 9/11 tragedy released a cloud of asbestos fibers over NYC. 400 tons of asbestos was in the WTC building. An estimated 410,000 people were exposed to the toxic substance. Nearly 70% of rescuers have lung problems. Experts expect cancer diagnoses to peak in 2041-four decades after the attack.
OoLNa TIL in the 1930s a DuPont chemist found that crystals of a substance called PTC (phenylthiocarbamide) tasted very bitter to some but were tasteless to others (about 75% taste bitterness). Researchers found three variants in a gene called TAS2R38. Two copies of this variant make you non-taster.
P1lxg TIL about The Sundial Cannon. A primitive alarm clock that focuses the sun to ignite gunpowder at a predetermined time.
QNbPM TIL that the last burial in Tombstone's famous Boothill cemetery (resting place of the dead from the OK Corral) wasn’t until 1953, of a man whose ashes were sent from California COD.
d8nNd Today I learned that the Union Jack is made from all UK flags combined together