› added 8 months ago

52

TIL that people used to split their sleep into two segments, waking up at for around 2 hours at around midnight to do chores, talk, have sex, etc.

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9wMBB TIL the Smithsonian Institution in Washington DC displayed a working "Little Boy" Atom Bomb that lacked only uranium until 1986. Then the Department of Energy took the bomb from the museum to remove its inner components, so it could not be stolen and detonated with fissile material.
jNZdN TIL that the femur can support 30 times the weight of your body; ounce for ounce, it is stronger than steel.
69ENm TIL that Texas Instruments has gone back and forth on how their calculators handle implicit multiplication with ambiguous notation, e.g. 8÷2(2+2). Different products will give different answers.
78YbM TIL Frequent use of painkillers for a headache causes more headaches. It's called medication overuse headaches.
QJXJe TIL you don't need to wait 24 hours to file a missing person's report and that this is a common myth.