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TIL that dogs see in shades of blue and yellow. The colors we see depend on two types of photoreceptors: rods and cones. Humans have three types of cones, but dogs only have two. Dogs have fewer cones, but have more rods, which help them identify moving objects and see better in low-light conditions

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4XR7X TIL Golden Poison Frog,one of the most toxic animals on Earth, can kill 10 adult humans with just 1mg of it's Poison. Interestingly Golden Poison frogs raised in captivity and isolated from insects in their native habitat never develop venom.
rNG6M Today I learned that the British fascist politician Arnold Spencer Leese (16 November 1878 – 18 January 1956) was initially prominent as a veterinary expert on camels.
BrEjD TIL that the highest absolute altitude ever achieved by a helicopter (12,440 m) resulted in the engines experiencing a flameout at peak altitude. The pilot then set the record for the longest autorotation used for the unpowered landing of a helicopter.
wNO8 TIL in 1983, 50 corporations controlled most of the American media, including magazines, books, music, news feeds, newspapers, movies, radio and television. By 1992 that number had dropped by half. By 2000, six corporations had ownership of most media, and today five dominate the industry.
wdoM TIL: The CIA secretly pumped funds into abstract-expressionists, such as Jackson Pollack & Mark Rothko, in an attempt to make popular American freedom and expression art in contrast to rigid Soviet art