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TIL that "Covalent Organic Frameworks" or COFs based materials loaded with phosphoric acid has the potential to exhibit maximum current density for Hydrogen Fuel Cell Applications

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D1yVj TIL in testing the reaction of Tamarin monkeys to music, researchers found they reacted positively to specially-composed pieces that corresponded to their physiology: pitched 3 octaves above our music, and at 200 bpm to be relaxing
7rR7X TIL that when Nicolaus Copernicus proposed heliocentrism in 1543, there was only mild opposition from the Church. But 73 years later Galileo's defence of the same was called heresy. He was threatened with torture and put under house arrest.
d8YY8 TIL Morocco was once a haven for gay Americans and Europeans who wanted to bang inside buildings or dungeons. As back then the society was full of paradoxes, people were able to be free.
nWXaG TIL that there is a monolith in Phobos
8ek4P TIL: In the USA during the 19th century, many little girls were given play ‘Death Kits’, which included a corpse doll and coffin. Girls would prepare the doll for viewing, place it in its coffin and conduct a play funeral.