› added 5 years ago

220

TIL that you do not need to wear a facemask in Trafford Centre

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via reddit.com

AOB7 TIL that, according to a UK report commissioned by the House of Commons, tobacco is more harmful than cannabis, LSD, and ecstasy
oAG7 TIL High atmospheric pressure affects the bubbles in your coffee. If the bubbles are close to the center expect rain or storm.
j6jYj TIL A brown dwarf star is 13 to 80 times the size of Jupiter but doesn't have enough mass to fuse hydrogen (they can fuse deuterium and massive ones can fuse lithium). Because of the lack of energy some brown dwarfs put out little to no light and can have a surface temperature as low as -23C (-10F).
vPYYL TIL Ants alone comprise about 20% of the entire animal biomass on land, totalling around 20 quadrillion. They outweigh all mammals and birds on Earth, combined.
xVEx0 TIL: One evening, while rushing for dinner after a long day at the lab, Constantin Fahlberg, a chemist at Johns Hopkins, forgot to wash his hands that had traces of benzoic sulfimide. This compound made his dinner taste sweet, and that’s how he discovered the artificial sweetener Saccharin.