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TIL The last universal common ancestor (LUCA) is the hypothesized common ancestral cell from which the three domains of life, the Bacteria, the Archaea, and the Eukarya originated.

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xVgRb TIL when Italy declared war on Ethiopia in violation of the League of Nations' policies, only Adolf Hitler sent support to Ethiopia
X0DD8 TIL that the common understanding of nuclear winter causing mass starvation or even extinction has little scientific support, but scientists have purposefully avoided correcting it out of fear of being perceived as pro-nuclear armament.
5VJ6k TIL: Some migrating birds fly at high altitudes, reflecting light from the setting sun not seen at ground level during twlight, producing a glowing wave in the sky.
Z8Wbo TIL the second biggest city in Greece accidentally discovers “yet another” archeological site every time they try to complete building the metro station.
PYejL TIL A British MP tried to fake his own death, and was only discovered in Australia after being mistaken for another famous missing person. He was later found to be a Czech spy and died from a heart attack he suffered on live TV.