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100

TIL that fathers day varies very much from country to country

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pYxRQ TIL dioxins continue to contaminate Vietnam’s soil and rivers decades after the war there, with severe health consequences like birth defects.
b6Wp9 TIL shipbuilders often place "Sacrificial Anodes", which is metal nodules made of easily-reacting metal like zinc, to "force" the Anodising corrosion to happen on these "throwaway" spots rather than on the main steel hull of the ship
0dok1 TIL the National Oceanic and Atmospheric Administration (NOAA) has a YouTube playlist of tsunami simulations
pYr6Q Today I learned that beavers teeth are yellow in colour because of the iron in their tooth enamel.
wBvY TIL a scientist at the University of Florida, USA, grew a “living ‘brain’” – “a network of 25,000 rat brain cells” – that when “connected to an array of 60 electrodes that can interact with a computer” learned to fly a simulated F-22 stealth fighter jet in a range of weather conditions.