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TIL - Lemons aren't a naturally ocurring food. Studies have shown that the lemon is a cross between bitter orange (which itself is a hybrid of pomelos and mandarins) and citron.

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yDja TIL In 2013 Scientists wired the brains of two rats together and showed that signals from one rat’s brain can help the second rat solve a problem it would otherwise have no clue how to solve.
pY1k4 TIL fist pumping before a blood test can lead to falsely elevated potassium results.
NklP TIL that the guy who made harry potter puppet pals is the same guy that made the ultimate showdown of ultimate destiny
WPxo TIL The first modern Olympic Marathon was won by a Greek who stopped at a bar mid-race for a glass of wine
jVLX TIL it is estimated over 95% of structural fires in Detroit are due to arson – fifty times the national average.