› added 1 month ago

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TIL Heavy caffeine users can experience severe withdrawal symptoms, emotional and physical symptoms. It can even cause vomiting and depression.

Read more ncbi.nlm.nih.gov

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x6X0D TIL that in 1943 Herman the Cat was officially hired by the United States Coast Guard as an “Expert Mouser” to essentially control or eradicate the rodent population aboard ships.
7rDgp TIL that 7-Up was invented in Saint Louis
NXvA1 TIL that female spotted hyenas have penises that they can pee out of. They also use them to mount other hyenas, both male and female, and to show dominance.
8eb0a TIL the First Battery-Powered Electric Motor was Invented in 1834 By Thomas and Emily Davenport. In 1837, they Patented a Machine to Run a Printing Press. In 1840, "The Electro-Magnetic and Mechanics Intelligencer,' the First Magazine ever Printed using Electricity.
N8MJ TIL that the deepest layer of the ocean, the hadopelagic zone, is named after the realm of Hades, the Greek underworld. This ranges from 6000m (3.7 miles) deep, down to the very lowest reaches. Populations are sparsest here, and are believed to be sustained by marine snow and thermal vents.