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TIL that due to the decline of bees forces apple farmers in China to pollinate every blossom by hand using paintbrushes

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dBpj TIL the hoverboard was invented for real in April 2016. Powered by six compact jet engines totaling 1000 HP (equivalent to four automobile engines), and stabilized with Segway-like algorithmic balancing, it has a flight time of 10 minutes using a camelbak filled with jet fuel.
G5n4 TIL: The Speaker of the House during Watergate could have stalled the VP confirmation and impeached Nixon which would have made himself POTUS, but he concluded that, as a Democrat, he had no right to a Presidency that the American people had entrusted by election to a Republican.
y4nv TIL there is a form of OCD (pOCD) that manifests as intrusive thoughts and fears of molesting children. These thoughts cause extreme distress and the diagnosis of pedophilia has absolutely nothing to do with the diagnosis of pOCD.
ZLyG TIL that Albert Einstein’s inability to speak until a late age actually caused him to use “visual thought experiments”, such as imagining trains and elevators, while working on physics problems. This is considered to be one of the reasons behind his success.
yQv78 TIL the phrase "Let the cat out of the bag" originated in the late middle ages. Con artists would put a cat in a bag but say it was a piglet, it was normal for buyers to agree on a price without looking inside first. This later gave rise to laws giving rights to inspect a product before purchase.