› added 1 year ago

128

TIL there are more possible QR code combinations than there are atoms in the universe.

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via reddit.com

1aODr TIL that mixing tobacco with cannabis increases the absorption of THC by up to 45% compared with smoking pure cannabis.
oRx4A TIL of NYC's Clean Car Program: after years of unsuccessfully preventing tagging of parked subway cars, NYC changed its approach in 1984. Any cars with graffiti were cleaned within two hours or removed from service. The last graffiti covered car was removed from service on May 12, 1989.
M74r8 TIL that Barents Sea was blocked by ice in 16th century
Y7DaB TIL that ambergris (whale poop) has been used in perfumes for centuries including today's popular Chanel No. 5
a8o49 TIL a Canadian doctor named Norman Bethune basically invented mobile blood transfusions during the Spanish Civil War, then went to China and became a hero there for bringing frontline medical care to rural areas