› added 9 months ago

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TIL that in medieval Europe, there existed a sport known as "rat-baiting." Spectators would gather in public squares to watch as trained dogs competed to catch and kill rats released into the arena. Betting on the outcome of these gruesome contests was commonplace.

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PJaO TIL in 2010 an insurance company denied coverage for surgery to repair a newborn’s heart defect in which the two major vessels that carry blood away from the heart are reversed, as it was a “pre-existing condition.”
9KK6 TIL Most alarms and sirens fall into the frequency range 1-3 kHz where the human hearing is the most sensitive, but this frequency range is also a black spot in our sound location abilities.
VBB8m TIL humans produce fewer tears as they get older
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