› added 8 years ago

77

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.

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MYLA TIL that in from the 1880s to the 1900s, pollution caused by horses was so severe, the presence of the (then unheard of) automobile was regarded as a saviour, as it did not pollute the streets with manure, urine and dead horses.
KYrmE TIL about Mal de Debarquement Syndrome (disembarkment syndrome), a neurological condition usually occurring after a cruise, flight, or other sustained motion event. It is typically diagnosed when a person reports a persistent rocking, swaying, or bobbing feeling while stationary.
6o5Y TIL that NASA flew an F-106B through 1,496 thunderstorms on purpose to improve aviation lightning protection standards. It was hit by lightning 714 times.
84QX TIL In 1949, Warren Buffett was infatuated by a young woman whose boyfriend had a ukulele. In an attempt to win her heart, he bought one and has been playing it ever since.
LKAV TIL that a mother murdering her children is more likely to murder sons (64%) than daughters (36%), and likewise, daughters are more likely to murder their father (81%) than mother (19%). Fathers and sons are more egalitarian in their murders, killing their children / parents at about equal rates.