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TIL Pigeons use Earth's magnetic field to navigate. A small spot on their beak contains magnetite which acts as a tiny GPS unit for the homing pigeon by giving it information about its position relative to Earth's poles.

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mg9M TIL that a study conducted by a Swiss university showed that stockbrokers are more reckless and manipulative than diagnosed psychopaths.
7rZKM TIL During WW2, a German air raid in Bari, Italy hit the US Navy's SS John Harvey and 1000 people were exposed to the secret cargo of 2,000 mustard gas bombs. Doctors observed that the mustard gas destroyed the white blood cells of the victims. This discovery led to the development of chemotherapy.
8MyK TIL Caligula was not his real name. Germanicus’ troops called him “Caligula” as a boy, meaning “Little Boots” or “Booties.” The nickname stuck and he hated it.
kOegm TIL our subconscious brain uses height as a measurement to determine social status and authority. That’s why CEOs of big companies tend to be taller than average people. Surveys have uncovered that almost 90% of CEOs were above 6”00 (Fortune 500 CEOs are 6”2 on average)
n09B TIL In NYC there is a pizza sized plot of land sitting in the middle of a sidewalk. As a result of a surveying error, it was left as part of an estate. The heirs refused to donate the plot of land to NYC, instead putting a mosaic on the plot in 1922. The mosaic is still there, surrounded by sidewalk