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TIL the “nasal cycle” is the biological process that automatically switches the bulk of breathing from one nostril to the other throughout the course of the day - and it explains why those with colds will often feel more stuffed up on one side at any given time.

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wLNpJ TIL the FICO scoring system is routinely updated but, each lender determines if and when it will upgrade to the latest version. This is why a mortgage lender will come up with a very different score than your personal credit score report.
kJ8jE TIL India is the largest exporter of generic medicines in the world, accounting for a massive global export volume.
KO0A9 TIL that Germans make up the largest ancestry group in the US followed by African Americans, Irish, Mexican and English. The German language was for a time the second most commonly spoken language in the US before the stigma of "speaking the enemy's language" during the World Wars.
6EZk7 TIL that in 1931, Gödel, a 25 year old mathematician, showed that there is a gaping hole at the bottom of mathematics. Simply put, there are things that are true that mathematics can never prove to be true.
epZ0J TIL that a piano is a percussion, not string, instrument.