› added 8 years ago

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TIL that just like humans, dogs have an oil on their bodies that converts to vitamin d when exposed to the sun. Unlike humans dogs cannot absorb this oil, and must instead invest it via licking and grooming.

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OGJBg TIL approximately 98% of all mammalian species do not menstruate. These "oestrous" species reabsorb endometrial tissue at the end of the infertile cycle. Making many aspects of menstruation poorly understood and development of treatments for menstrual disorders limited.
6NEm TIL 30-ft-long Manatees called Steller’s Sea Cows lived into modernity… within 27 years of being found by European hunters, they were extinct.
p89aG TIL jellyfish have been attacking nuclear power plants in Japan and India since the 1960s, with up to 150 tons per day removed from the cooling system of just 1 power plant. In India, workers removed over 4mil jellyfish from screens over the entrances to cooling pipes. That’s 80 tons of jellyfish.
Y7L1x TIL Stand Watie was the only Native American Confederate General leading a Native American force they were the last Confederate force to surrender. Finally surrendering on the June 23rd 1865, 75 days after Robert E. Lee surrendered.
wLYv8 TIL that Nikola Tesla predicted the modern cell phone in 1926: “We shall be able to communicate with one another instantly, irrespective of distance. Not only this, but...we shall see and hear one another as perfectly as though we were face to face... a man will be able to carry one in his pocket”