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TIL That every year there are 71,000 ER cases involving bunk beds, and two thirds are young adults rather than children.

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PkjE TIL that cicada song is loud enough to cause permanent hearing loss in humans should the cicada sing just outside the listener’s ear. Males disable their own tympana while calling, thereby preventing damage to their hearing.
9YVDr TIL IKEA founder Ingvar Kamprad started his journey to becoming the 8th richest man in the world at age 5, by selling matches to his neighbors. He bought matches in bulk, cheaply & re-sold them at a very low price while still making a good profit, the same basic model used later at IKEA.
yQLw TIL that ‘Spirited Away’ is actually about prostitution
YRYv TIL that when Pope John Paul II visited Chile, he asked a crowd of tens of thousands to refuse greed and consumerism –to which they replied «yes», to reject the idol of power, «yes», but when he asked them to reject the idol of «sex and pleasure», the whole stadium replied an outright «NO!»
BgLgd TIL Mohammad is the most popular boys' name in Berlin, Germany.