› added 10 years ago

438

TIL that, to date, six nuclear weapons have been lost and never recovered.

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via reddit.com

X0VAR TIL that around 15,000 US soldiers died in Pilot training during WW2. They lost 65,164 planes during the war but only 22,948 was lost in combat.
nWnYd TIL: pay with your phone
b94k7 TIL pirates wore an eye patche so when they went below deck they could switch the patch to the other eye to see in the dark right away without waiting for their eyes to adjust.
v1GMR TIL about the Still Face Experiment, where infants showed they can experience great distress when they are not smiled at and responded to.
W7yoX TIL that in 1988 the FBI National Center for the Analysis of Violent Crime (NCAVC) did a psychological profile of Jack the Ripper in time for the 100 years anniversary of the White Chapel murders.