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TIL Ketamine replaced another drug as the go to anesthetic during the Vietnam War, seeing as it presented far fewer side effects. They originally used PCP.

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KYG5E TIL New Zealand isn't depicted on many world maps (including ones used in NZ itself)
JYRJl For those who struggle with insomnia, Dr. Kennedy said she’d suggest showering at night, about 90 minutes before bed. “The body naturally cools down as bedtime approaches, in sync with the circadian rhythm,” she said. “Showering artificially raises the temperature again and allows for a faster cool down, which seems to hasten sleep.”
mxR5R TIL there’s a country called Chad, and the people who live there are called Chadians.
GYy4J TIL During the Cold War a 'Three world' model arose to describe nations either aligned with NATO (first world),the Eastern Bloc (second world) or the'Third World'. Rather than economic this was a political grouping loosely describing 'unaligned' nations in the 'devoloping world.
Agvw TIL in 1914 the British made their first gas attack by releasing 140 tons of chlorine gas and hoping the wind would blow it into German trenches. However, a sudden shift wind direction blew it into their own trenches injuring almost 2000 British soldiers.