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TIL that the human foot is uniquely advantageous for endurance running. Having entirely front-facing and short toe length decreases the amount of mechanical work required to push off the ground, thereby reducing the metabolic cost.

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maPx TIL When you stop smoking weed, you’re going to experience a huge increase in your dreams and their vividness due to your brain trying to catch up on all the missed REM sleep for the next 2-7 weeks.
4nmg TIL that a trivia book author included a fake entry that said ‘Philip’ was the first name of TV detective 'Columbo,’ who has no first name. When Trivial Pursuit included 'Philip Columbo’ as an answer, the author sued for $300 million, saying they had stolen their trivia from his books.
x69Pw TIL that the mirrors required for the production of advanced microchips are so flat that if scaled to the size of Germany the highest point will only be a tenth of a millimeter. Because of that the German technologies company "Zeiss" is the only one in the world able to produce these mirrors.
awQb9 TIL that wasps are essential in the production of wine. The yeast which is found on the surfaces of mature grapes and triggers fermentation cannot survive winter temperatures outdoors. It survives and breeds in the stomachs of hibernating wasps, who spread it among grape plants each year.
we5W TIL that in the original Japanese version of Spirited Away, all of Chihiro’s character development is lost in the end, as she forgets her adventure in the Spirit World when she returns to Earth.