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TIL that 5 scientists observed 60,000 episodes combined of 73 cows lying down to determine that: (1) the longer the cow has been lying down, the more likely the cow will soon stand up, and (2) once the cow stands up you cannot easily predict how soon that cow will lie down again.

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6wJl TIL that when Australia celebrated the 150th anniversary of the first European settlement in 1938, officials tried to hide the fact that it was a prison colony by using the terms “transportees” or “deportees” instead of “convicts”
Z8RWG TIL that Tampa, FL has never reached 100 degrees Fahrenheit.
0dbp1 TIL: Sōhei warrior monks were influential for centuries in Japan with warring clans often enlisting these monks for warfare due to their fighting ability due to their isolation and fanaticism. However, disputes between monk temples were common which led to numerous fatal inter temple battles.
ADZd7 When a mosquito bites, it pierces your skin and draws blood with the tip of its straw-like mouth, or proboscis. In the process, the mosquito injects some of its own saliva, which contains an anticoagulant that prevents your blood from clotting around the proboscis and trapping the insect. (Only female mosquitoes, which need the nutrients from the blood to produce eggs, bite.)
woA01 TIL that a group of college students once used physics to beat Las Vegas’ infamous roulette machine with a machine in their shoe, giving them over a 20% advantage over the house when working.