› added 3 years ago

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TIL that spent fuel from nuclear reactors is used to make household fire alarms

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OGoPa TIL Andrew Carnegie offered the Filipino people $20 million to buy their independence from the US, but nothing came of the offer
6EOGw TIL that air conditioning caused various shifts in demography, notably that of the USA starting from the 1970s. Until 1970, the birth rate in the spring was lower than during the other seasons, but the introduction of air conditioning leveled out this difference at the end of the 20th century
jNrZQ TIL newborns don’t shed tears. Tear ducts don’t fully develop in infants until they are one to three months old, making it impossible for babies to shed actual tears.
m18Xy TIL tiny Neolithic baby spoons indicate that new baby gruels were an important innovation in prehistoric baby-care, freeing up women to have more babies & leading to unprecedented population growth
8OkZ TIL the word ‘Retarded’ was once championed to more accurately describe the (now dubbed) intellectually disabled , and replace its then synonyms, which had all become colloquialisms for being stupid; but today it’s considered offensive after having fallen prey to the same fate.