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TIL When flown at half-staff, the American flag should be first hoisted to the peak for an instant and then lowered to the half-staff position

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OGgGa TIL honeybees engage in a “dance-debate frenzy” when looking for a new home. Scouts perform a dance in which movements/positions encode directions & vigor indicates quality of a site. Those with opposing views headbutt the dancer: “head-butting seems to be the honeybee signal for ‘shut up!’"
ADYEw TIL that the Swedish version of "John Doe" is "Sven Svensson" and that the Swedish equivalent of "Average Joe" is "Medel-Svensson" (Average Svensson).
Ro0a TIL There’s a tribe in Africa that instead of punishing someone for their wrong deeds. They will surround that person and say nothing but good things the person has done
Qk0k TIL that police officers mark your tail light or trunk with their fingerprints when they pull you over, just in case something goes bad for them. Should the officer be attacked or “go missing” the fingerprint will provide evidence that can confirm the perpetrator’s vehicle.
bB57 TIL in the Middle Ages it was thought that the left testicle made sperm for girls. Men who wanted sons would have it removed.