› added 9 years ago

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TIL That the US army counted more dead in it’s civil war, than all other wars combined, losing almost 2,5% of the total Population at the time

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JY7DV TIL the paper sleeve around your coffee cup is called a zarf and they've existed in various forms for over 800 years
oBV4Y TIL that 90% of all data ever created by human existence was generated in the last 2 years.
Jmdv TIL London only reached its pre-WW2 population level in January, 2015.
v1w9K TIL Happy hour is illegal in Ireland
wLa6P TIL dolphins sleep with one eye open. Because they have to periodically go up for air and also be aware of predators, they are able to rest only half of their brain at a time and stay always somewhat conscious.