› added 1 year ago

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TIL that the first Unmanned underwater vehicle was created by the United States in 1957 to explore Arctic waters.

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jNwZj TIL Japanese, but not European, honeybees can “slow cook” giant hornets to death, when they attack the hive. They do this by forming a giant swarm, a “bee ball”, around the hornet and vibrate their flight muscles to create heat. They warm the area up to 116°F, slowly “cooking” the hornet to death.
pY7wQ TIL about the "information-to-action ratio," a postulate that explains how access to more information actually hinders our ability to prioritize information we can act upon.
6ErE7 TIL there are ~2 million more people living in California, than there are in all of Canada.
4XWyg TIL Mao Zedong was personally struck by the loss of his own son, Mao Anqing, during the Korean war, a war he had effectively started. North Korea and China commemorated each’s support in their struggle against the United States and there is a Chinese soldiers cemetary north of Pyongyang
B4Rb TIL John Quincy Adams was sworn into Office by placing his hand on a law book rather than the Bible