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TIL Martin Luther King Jr. regretted his "I Have A Dream" speech after witnessing all the violence going on in Vietnam and the disdain the country had for Black people, he recanted his 1963 monologue, calling it "naive".

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dDVBd TIL that not only can octopi change their color to match their surroundings, but they can also change the actual texture of their skin as well by controlling the size of projections on their skin (called papillae), creating textures ranging from small bumps to tall spikes.
awWL0 TIL Miles Davis played his cover of David Crosby's "Guinnevere" for Crosby at the former's home before releasing it, and Crosby didn't recognize any resemblance between Davis's version and his composition. Davis got offended and kicked him out of his house.
9YMBM TIL In some Asian cultures such as Korean and Japanese cultures, the practice of responding to another person's sneeze does not exist.
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