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TIL Dragonflies are brutally effective killers, managing to capture their prey in midair more than 95 percent of the time

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R7mdj TIL During the shooting of Jurassic Park, the sound design of the T. rex's roar was reportedly a composite of tiger, alligator, and baby elephant sounds. The deadly Dilophosaurus roar was created by combining howler monkeys, hawk screeches, rattlesnake hisses, and swan calls.
7r9WP TIL British Flag, the Union Flag is not entirely symmetrical and can be put wrong way up
a800J TIL a 2010 review of published cases stated "Numerous deaths have occurred after chiropractic manipulations. The risks of this treatment by far outweigh its benefit."
YpjK7 TIL about Clementine Barnabet, an American teenager who murdered and beheaded 35 people with an ax due to her belief in a voodoo cult called the Church of Sacrifice. Sentenced to life in prison at age 18 in in 1912, she escaped in 1923 and was never heard of again.
4kdPb TIL that glacier mice are are colonies of wandering moss, observed as far apart as Alaska and Uganda. They move at least an inch a day as a herd and in a non-random fashion. Though they reproduce asexual, the conditions for them to form, or the the nature of their movement, has yet to be explained.