› added 6 years ago

170

TIL Narwhals use their tusk to beat fish over the head like a pimp cane

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via reddit.com

m11rp TIL the ISS is only weightless because it's in orbit (therefore constantly falling) not because of its distance from the earth. An airplane at the same altitude, under its own power would have 89% as much gravity as the earth's surface.
MelJW TIL that José Salvador Alvarenga, a Salvadoran fisherman was stranded at sea between 2012 and 2014. He survived mainly on a diet of raw fish, turtles, small birds, sharks and rainwater.
KYM1E TIL during a test of the accuracy of dog DNA tests, a man submitted his own human DNA, and got results back with dog breeds they suspected the DNA being from
jNMGQ TIL in 1981 members of a U.S. nuclear semiotics team believed if the world ended, survivors 10,000 years in the future might not know what the radiation symbol means. So they proposed breeding bioluminescent cats that would glow when they came near radiation to serve as living indicators of danger.
OVV6 TIL that the balsamic vinegar in grocery stores is a pale imitation of the real deal: True balsamic vinegar can take over 25 years to make and can cost as much as $400 for a 100 ml bottle