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TIL that melatonin, taken close to the target bedtime at the destination (10pm to midnight), decreases jet‐lag from flights crossing five or more time zones.

Read more pmc.ncbi.nlm.nih.gov

via reddit.com

aXbo TIL that the 20,000 landmines used during the Britain/Argentina conflict over the Falklands have led to a booming population of penguins. Cows and humans avoid the fenced-off fields, but penguins are too light to set off the mines. The deadly fields have turned into penguin sanctuaries.
PJMZ TIL despite Freddie Mercury’s multiple-octave range, he claimed to have no formal vocal training.
b6WBZ TIL Ceaser salad was named after Ceaser Cardini and not Julius Ceaser…
d8vDQ TIL the popular dish Maceroni and Cheese was invented thanks in large part to wealthy U.S. president Thomas Jefferson.
j614M TIL the word horseradish came about because the English misunderstood the German word “meerrettich” which means "sea radish". The word "meer" was swapped to "mare" (a female horse) even though the plant has absolutely nothing to do with horses, it just grows well by the sea.