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TIL approximately one half of vegans are vitamin B12 deficient

Read more ncbi.nlm.nih.gov

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PpZn TIL That NASA thinks humans can probably survive completely unprotected in space for over 30 seconds without permanent injury.
exog TIL the world record for fastest, most drastic temperature change is 49 degrees Fahrenheit in two minutes.
9vRp TIL Matt Groening said that enough material was cut from The Simpsons Movie to make two more films.
KOYwa TIL of Keedoozle, the first automated grocery store. Opening in 1949, it was a store-sized vending machine and a precursor to the self-checkout lane.
8anoG TIL that Lake Superior is so cold that bacteria needed to cause a submerged dead body to float and surface is unable to grow. Due to this, many bodies from shipwrecks, such as the Edmund Fitzgerald, have never been recovered.