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TIL Heinrich Otto Wieland researched bile acids, toad poisons and won the Nobel Prize in Chemistry. Wieland also protected people, especially Jewish students, who were "racially burdened" after the Nuremberg Laws. Expelled students could stay in his group as chemists

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nePVB TIL that there are five different colors of blood among living things barring anomalies.
j6Kbn TIL Hexagons are the best shape for bees to build their honeycombs, because they save wax and space. Unlike circles or triangles, hexagons fit together without gaps and have the largest area for the smallest perimeter. This means bees can store more honey with less wall material.
JY9NQ TIL there is clear evidence that shows empathy and care towards disabled family members within early human and neanderthal groups. Individuals who could not aid in hunting and gathering still were taken care of.
wLDPE TIL Larry Brantley, the voice of Wishbone, got the gig after improvising about the dog's inner thoughts about a tennis ball for five minutes: "I walked out of the audition saying, 'I can't believe I just did five minutes about a tennis ball.' And then I got the job."
rNRjW TIL that when "Jaws" was filmed, Steven Spielberg initially wanted to build a giant mechanical shark for realism, but its constant malfunctioning proved to be a budgeting nightmare, so he came up with the cheaper solution of shooting from the shark's POV in the waters instead.