› added 7 years ago

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TIL: Lidocaine is often added to cocaine as a diluent, this is why it numbs the gums when applied. This often gives users the impression of high quality cocaine, when in actuality the user is receiving a diluted product.

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p8bRN TIL On August 23, 1942, 600 Italian cavalrymen charged a position of 2,000 Soviet soldiers near the Don River, slashing with sabers and throwing hand grenades. Despite heavy losses, the Italians managed to dislodge the Soviets. This would be the last major cavalry charge in military history.
nWBGb TIL that the first heartbeat in zebrafish embryos begins abruptly and in sync across all heart cells, a process likened to an army starting to march in perfect unison without prior practice.
bZLE TIL that after needing 13 liters of blood for a surgery at the age of 13, a man named James Harrison pledged to donate blood once he turned 18. It was discovered that his blood contained a rare antigen which cured Rhesus disease. He has donated blood a record 1,000 times and saved 2,000,000 lives.
Egrx0 TIL about PANKs, Professional Women (with) No Kids. They are an economic force because they spend lavishly on their nieces and nephews and are influential on social media.
xVXKD TIL that the oldest and most active community WiFi mesh net is in Brooklyn NYC, which let residents communicate during Hurricane Sandy when other cellphone and internet networks were wiped out