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TIL of compass plants which tend to align their leaf blades on a North-South axis. This is the optimal alignment for minimal sunlight exposure.

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kJJRB TIL that only 20 years after the Wright Brothers first flight, we had successfully completed the first air to air refueling in June 1923.
KOZRB TIL a sperm whale’s “click” is the loudest sound produced by any animal and it has an identifying dialect. They aren’t born with different vocal chords but acquire their dialects from one another in the same way you or I might taken on our parents’ accent
M7OyB TIL the UK equivalent of the dollar store is called "Poundland".
8aWE4 TIL of Koča Popović, a Yugoslav politician and Spanish Civil War veteran who is referred to as "The man who saved the Partisans" because of his breakthrough plans during Operation Southeast Croatia and at the Battle of Sutjeska both of which could have led to the annihilation of the resistance.
oovK TIL that, while it had 8 seasons, That ‘70s Show took place over the span of just over 3 and a half years