› added 4 years ago

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TIL that scientists have developed measurement formulas so precise that the distance between the Earth and Moon can be calculated with a margin of error smaller than the distance of a red blood cell.

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5V1Rr TIL there are blood banks for dogs. Previously, veterinarians would have to rely on their own dogs or those of a client. Some dogs can also be universal donors, just like humans
pYRJN TIL among the most endangered species, three reside in Ethiopia, the walia ibex of the Simien Mountains, the mountain nyala (a kind of antelope), and the Simien jackal. All three species are found in the Western & Eastern highlands in numbers ranging from a few hundred to a few thousand.
5VegQ TIL that the model characterized in Leonardo da Vinci's 'Mona Lisa' was only officially identified in 2005 as Lisa del Giocondo
vPEej TIL that the commonly quoted figure of 150 deaths from falling coconuts worldwide annually is a myth based on extrapolation from 2 anecdotal reports from Alotau, Papua New Guinea over more than 4 years. Only 22 reported cases of death by falling coconut have happened since 1777.
GY14E TIL about saturation diving. Divers working on deep-sea infrastructure such as oil pipelines live in a pressurised chamber for a month, taken between the chamber and their worksite by a pressurised diving bell. That way, they only need to be decompressed once, at the end of each 28-day job.