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TIL Sharks can suffer from cancer. The misconception that sharks do not get cancer was spread by the 1992 book 'Sharks Don't Get Cancer' by I. William Lane and used to sell extracts of shark cartilage as cancer prevention treatments.

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wmw8 TIL there are 24 times more empty houses in the United States than homeless people.
dDE58 TIL in 1965, Pastor Shuttlesworth was arrested for leading a march in Birmingham. The Supreme Court overturned the ruling, saying the law was so broad that a person "may stand on a sidewalk only at the whim of any officer of that city."
KY9Oa TIL that the 'K' in Philip K. Dick stands for Kindred, his mother's maiden name.
1W7P TIL that in 2007 a soldier in the British army was declared dead after he was caught in an explosion in Afghanistan. When his body was being washed for the body bag, they noticed a pulse. He was flown to hospital where he recovered and went on to take part in the 2012 Paralympics.
OobOL TIL about food scientist Robert Baker who invented the chicken nugget in a laboratory at Cornell University in the early 1960s. He successfully created a "chicken stick" that would retain form when freezing or frying. Instead of patenting the invention, he sent the recipe to hundreds of companies.