› added 10 years ago

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TIL that the fingernails of astronauts usually fall off because the space suit’s gloves can’t replicate Earth’s atmospheric pressure

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VBMDZ TIL: The longest frog jump on record is held by Rosie the Ribeter, who averages 7.16' per jump
JbMv TIL: “Doctors can use the foreskins of circumcised infants to grow skin for burn victims. Just one foreskin can create 23,000 square meters of skin”
4bya TIL people suffering depression tend to literally dream less.
J17Lj TIL that anchor chains are just as vital as anchors in securing large ships, like naval vessels, in place. The length, weight and type of chain used is an important consideration to keep ships from moving excessively. A vessel in 60ft of water will generally use between 300ft and 420ft of chain.
789Mx TIL that men from the early Middle Ages were nearly as tall as modern people, but European men’s average height fell from 5.6 ft in the 13th c. to 5.3 ft in the 17th c. due to famine, disease, war, and the Little Ice Age, then rose to 5.4–5.5 ft in the 18th c.