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TIL That temperature can be used to identify poor or affluent neighbourhoods in cities. This is because trees increase the "albedo" of a district by absorbing/reflecting heat radiation, whilst poorer districts tend to have less trees in public and private spaces than posher areas.

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OWmY TIL Mr. Rogers always mentioned out loud that he was feeding his fish because a young blind viewer asked him to do so. She wanted to make sure the fish were OK.
Y7jm7 TIL In 1938 the timid Neville Chamberlain signed a treaty allowing Hitler to keep European land after a German invasion. By appeasing Hitler, Chamberlain believed he was preventing war. Historians widely regard this as a bad move. Almost exactly one year later, Hitler invaded Poland.
VMoWp TIL film critic Gene Siskel went to great lengths to show his contempt for the original Friday the 13th movie. He called the film’s director a “despicable creature,” published the address of Paramount’s chairman so people would write hate mail, and spoiled the film’s ending for his readers.
aPKy TIL in the US, maternal deaths during pregnancy declined to 9.1 deaths per 100,000 pregnancies by 1986. It has risen since then and now is at 18.5 deaths per 100,000.
kJ6E7 TIL In Kenya, a number of cases have been reported in the 2010s of thieves selling transformer oil, stolen from transformers, to the operators of roadside food stalls for use in deep frying. When used for frying, it is reported that transformer oil lasts much longer than regular cooking oil.