› added 8 months ago

16

TIL that North Korea's main export is fake hair

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via reddit.com

QJlPE TIL that 60% of a cow is used for food, and parts of the other 40% can be made into antifreeze, blood thinners, insulin, marshmallows, and toothpaste.
awYJN TIL while Michael Collins was orbiting the moon, mission control warned of a problem with the shuttle's coolant system. Instead of fixing the problem manually as advised, he flicked the system's switch from auto to manual, then back to auto, and carried on with other chores. The issue self resolved.
p8WaO TIL Arsenic used to be so undetectable and popular a poison that it was nicknamed the "inheritance powder"
R7wGQ TIL A full-time nurse named Marie Van Brittan Brown and her husband Albert invented the first home security system in 1966. She was inspired to do so because she saw how long it would take the police to arrive in her neighborhood after a crime was reported.
x6Z67 TIL that every second approximately 65 billion tiny subatomic particles called Neutrinos pass through every square centimeter of the Earth's surface.