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TIL that Martin Luther King, Jr. Improvised the iconic part of ‘I Have A Dream’

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e0rdb TIL In 1958 nuclear weapons were proposed as a tool for petroleum extraction. The plan was to detonate 100 nuclear bombs in the Alberta Oil Sands, thus adding heat and decreasing viscosity, the bitumen could then be easily pumped out. The project was put on hiatus due to risk of Soviet espionage.
oLKL TIL Depressed people lack HGH, a requirement for growing while sleeping
Oo9Wa TIL The “stress hormone” cortisol is released by the adrenal glands in response to fear or stress. Researchers have studied the cortisol awakening response (CAR) and have found that cortisol is highest in the first hour of waking for people with an increased level of stress in their lives.
G5kQ TIL that Navy Seals who carried out the Bin Laden kill mission, forgot to bring a tape measure and had to measure Laden’s height by making a six feet tall Seal lie down next to Laden’s corpse.
b0Mp TIL that in the 90s a Penn State researcher introduced pigs to joy-stick controlled video games, and in weeks they would begin to “beg to play video games. They beg to be the first ones out of their pens, then they trot up the ramp to play.”