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TIL When Helium is cooled to a few degrees below its boiling point, will suddenly be able to do things that other fluids can't. Dribble through molecule-thin cracks, climb up and over the sides of a dish, and remain motionless when its container is spun due to its frictionless flow.

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7rJVM TIL of F.D.C Willard, known for being the first Cat to co-author a Physics paper.
kll4 TIL 80% of antibiotics in the U.S. are given to farm animals, and 80% of pig farms, sheep farms, and cattle feedlots use low levels of antibiotics in feed and water. Evidence shows staph bacteria can pass from humans to pigs, evolve resistance to antibiotics, and then pass back into humans.
epxRb TIL Wired telegraph sounders didn't emit beeps. Instead, the signal was fed to an electromagnet which caused a spring-loaded lever to emit clicks for "on" and "off"
JY5x4 TIL that US homes today are 1,000 square feet larger than in 1973 and living space per person has nearly doubled
woK6W TIL there are more american robins in the US than there are people.