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265

TIL that -40 degrees is the only temperature that is the same in Fahrenheit and Celsius

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AWMx TIL that the probability of human extinction by Molecular nanotechnology weapons or Superintelligent AI before year 2100 has been put at 5%.
KErJ TIL that in 2011, a 14 year-old amateur astronomer from Canada proved that Jupiter is bright enough to cast shadows on Earth.
W7Gw8 TIL that “jalapeño hands” is a burning sensation that is caused by cutting up jalapeño peppers with bare hands, and it can last from a few hours to a few days. Capsaicin oil in the peppers irritates the affected skin until it fades away or is neutralized.
4XB5N TIL that’s rats can laugh. It’s inaudible to humans at 50kHz.
b9VRQ TIL Dr. Henry Heimlich performed the Heimlich maneuver in his assisted-living facility in 2016 (at age 96), saving a woman's life.