› added 11 years ago

147

TIL an isolated tribe in Papua New Guinea meets a white man for the first time in 1976 and thinks the white man is covered in dirt/sand.

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jNWXn TIL Legend says Alexander the Great used an ancient submarine "bathysphere" to survey the underwater sea. What he saw horrified him: "the world is damned and lost".
jN9WX TIL The "Placebo Effect" doesn’t have clinical/medical significance outside of clinical trials, and Placebo's should never be used as a treatment. Placebos do about as good as “no treatment arms” in most studies with objective criteria.
NNJb Scientists detected an atomic nucleus traveling at 99.9999999999999% of the speed of light, with energy 20 quintillion times that of visible light. It was appropriately named the “Oh-My-God Particle.”
kJ7V5 TIL about "Mad hatters disease". It was caused by mercury poisoning, which was used by "hatters" in the hat making process. Symptoms included insomnia, shyness, tremors and more.
YbYA TIL in 1945, Grace Hopper traced a computer problem to a moth between the relays, then taped it up into her log book and wrote, “First actual case of a bug being found.” This popularized the terms “bug” and “debug” and her log book is now stored within the Smithsonian.