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TIL pigeons who are sick or aging hide (and die) in remote places a reason why its rare to see pigeon corpses

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p8gWG TIL in 1959 Cornell physicists had speculated that any extraterrestrial civilization attempting to communicate via radio signals might do so using a frequency of 1420 mHz which is naturally emitted by hydrogen. 18 years later that exact transmission was read in Ohio, nicknamed the "Wow! signal".
W7XYN TIL that scientists use measurements collected by seals swimming under the sea ice with temporary satellite tags to study polynya (an area of unfrozen sea water surrounded by ice)
nW80G TIL dessert pasta (pasta served as a dessert with sweet ingredients) is a real thing, including a recipe that uses brown sugar and cinnamon.
Vlk TIL there is a man who repairs damaged areas of buildings and streets in his city with legos.
0dpG5 TIL: the key command win + . brings up an emoji menu.