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TIL that approximately 7% of our weight is our blood

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via reddit.com

8mYL TIL the US Government has spent more on a single plane than 10 years of funding for the NIH
W7dJY TIL that coastal redwood trees can sequester 250 metric tons of carbon in their 2,500 year lifespan. The largest, the General Sherman tree, has sequestered 392 metric tons of carbon and is still growing.
6EL9Y TIL space smells like burnt steak. Astronauts have also reported space to smell metallic, or like gunpowder. Others have hypothesized that it could smell like raspberries.
QJe7E TIL the difference between detonation and deflagration. Detonation is a supersonic chemical reaction in the explosive. Deflagration is a subsonic chemical reaction diffused by heat.
GY4LE TIL: Petrus Plancius, in 1612 created the Unicorn Constellation (Monoceros Unicornis) to fill the empty area between two large constellations, Orion and Hydra.