› added 6 years ago

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TIL Dogs can roll their eyes when annoyed, similarly to humans!

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via reddit.com

WkONL TIL the African nation of Zambia aspired to beat US and Russia in the Space Race. Their "Afronaut" prep. program included using a tire swing to simulate weightlessness along with downhill barrel rolls for the g-force. They also had plans to Christianize the Martian population, among other things.
Pd8Z TIL that the FBI uses “scores” of disguised, low-flying surveillance planes in most major cities
R5rGw TIL that there is a type of coating that absorbs 99.65% of visible light
XyWR TIL that if you were born in the US in the 60s or later, the government already has your DNA in a database through the mandatory newborn screening program.
NoPJ TIL of Lake Karachay, a lake in Russia that was used as a radioactive waste dump, and has been described as the most polluted place on the planet. Standing on the shore for an hour would give you a lethal dose of radiation.