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todayilearned
Jul 14, 2020
TIL of Felis nigripes: the African Black-footed Cat, aka "the deadliest cat on earth", weighing in at under 5 lbs. It kills 10 - 14 rodents or birds per night to satisfy its accelerated metabolism. The Black-footed Cat has a kill rate of 60%, whereas a lion's kill rate is about 25%.
africa
animals
cats
south africa
weird animals
todayilearned
Apr 23, 2020
TIL the first reliable pregnancy tests involved doctors injecting women's urine into frogs; if they laid eggs without mating, the woman was pregnant. This test was called the "Hogben Test" and was used widely for about 20 years until doctors began injecting mice and rabbits instead.
a-z test
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artist eben kirksey
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colleague charles bellerby
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gland—a pea-sized hormone
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medical historian jesse
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similar work
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xenopus
xenopus colonies
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todayilearned
Sep 23, 2019
TIL of an all-female Anti-Poaching Unit in South Africa called Black Mambas. They reduced the number of incidents of snaring and poaching by as much as 76 percent
environment and conservation
habitat preservation
poaching
rhino horn
south africa
wildlife
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todayilearned
Aug 27, 2019
TIL during surgery on a 60-year-old woman, Italian doctors discovered one of the first heart prostheses - an artificial mitral valve - which was implanted almost 50 years ago when the patient was 10, by Christiaan Barnard, the surgeon who performed the world’s first human-to-human heart transplant
health
heart disease
italy
south africa
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