"TIL that Brussels Sprouts have been selectively bred over the last few decades to taste less bitter, indirectly lessening their anti-cancer properties."
"TIL that in 1859 a 2 hour telegraph conversation between Portland and Boston was able to be had without the use of any battery power. This was due to an aurora borealis generating enough electric current in the telegraph wires."
"TIL in the midst of Greenland's pristine landscape lies a U.S. Air Force base which was abandoned in 1947 and everything was left behind; dilapidated vehicles, asbestos-laden structures, and 10,000 leaking fuel barrels. The Inuits who live in the region call the rusted remains "American Flowers"."