› added 4 years ago

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TIL that a scorpion can hold its breath for 6 days

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8al54 TIL a litter of kittens can have separate fathers due to multiple mates during the mother's heat.
b64dZ TIL dogs can take catnip to calm them down.
vPjVr TIL metal tube invented in 1732 is what measures the speed of supersonic jets (and any other airplane, boat, or even F1 car). Called a pitot tube, it measures airspeed by measuring air pressure. More information at the link.
awNn9 TIL Billionaire Howard Hughes was badly injured in a plane crash in 1946. Unsatisfied with his hospital bed, Hughes had a team of engineers design a custom bed comprised of six sections, operated by 30 electric motors with push-button adjustments- this became a prototype for the modern hospital bed.
NX0A6 TIL That Pliny the Younger, although primarily known as an author and lawyer in ancient Rome, is perhaps best known for two letters he wrote which intricately detailed the eruption of Mount Vesuvius and the subsequent destruction of Pompeii both of which he witnessed.