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TIL of Conrad Heyer, a soldier who crossed the Delaware with George Washington and lived long enough to be photographed

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0dNo1 TIL When the printing press made its debut in Europe in the 15th century, thousands of old texts were 'recycled' for use as binding material for newer books. In 2015, researchers at Leiden University started using an x-ray technique to reveal these texts. Some are up to 1,300 years old.
WxaY TIL Cliff Young, 61 year old Australian farmer took part in world’s toughest ultramarathon (875km from Sydney to Melbourne). He won by almost 2 days, because unlike other runners he didn’t stop to sleep.
epPab TIL about “immature” eggs, otherwise known as unlaid eggs, several of which can be obtained from a single slaughtered egg-laying hen. They can be very small to large in size, and those close to being laid have a soft, semi-formed shell around them.
ADWeo TIL contact lenses were first proposed by Leonardo Da Vinci in 1508. He described a method of directly altering corneal power by either submerging the head in a bowl of water or wearing a water-filled glass hemisphere over the eye.
b9E5N TIL: Berries are simple fruits stemming from one flower. This means that pineapples, bananas, watermelon, pumpkins, and avocados are berries.