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148

TIL that Vitamin D supplements are made by extracting the fat from sheeps’ wool

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49LX TIL that in the 1800s, a brand of medicine called Mrs. Winslow’s Soothing Syrup contained morphine ended up causing the death of many infants and young children.
nexJo TIL the urge to breathe doesn’t come from lack of oxygen, but from increasing levels of carbon dioxide in the bloodstream.
R7an1 “A lot of cats knock things over because they have learned it is a quick and easy way to get their human’s attention”
nmQP TIL some birds display ultraviolet feather patterns that are invisible to the naked eye.
oRxwY TIL that prior to WWII, while working as a circus performer, was also working for US Army intelligence, photographing German U-boats in Mexican harbors.