› added 9 months ago

170

TIL, Calvin Klein's cologne 'Obsession' can draw big cats like Tigers, Jaguars etc from as far as half a mile, who then proceed to taking long sniffs and cuddling against the source, savouring the smell much longer than they savour even their meals

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Oo1Ma TIL about the "whale pump". Whales tend to defecate in surface waters; additionally the feces tend to float. Whales feed at deeper levels of the ocean where krill is found. The fecal action of whales thus reverses the usual flow of nutrients of the ocean's "biological pump"
6EE77 TIL about the Circassian Genocide, where about 1,500,000 Circassians were killed and hundreds of thousands were displaced by the Russian Empire in an attempt to make room for Russian colonization in Circassia.
4Xw8b TIL the Library of Congress estimates 75% of all silent films are lost forever. The largest cause of silent film loss was intentional destruction, as before the era of television, films were viewed as having little future value when theatrical runs ended.
170O TIL Attila the Hun’s sword, or the Sword of Mars was said to have been forged from the iron of a meteor and struck by lightning, given the blessing of Mars.
lyNB TIL the USA developed at least 2 working nuclear thermal rocket engines that were twice as efficient as chemical rockets, tested them both in the open air at Jackass Flats near Area 51, and deemed them ready to power a manned spaceflight mission to Mars.