› added 2 months ago

11

TIL The first use of commercial refrigeration was in Australia to keep beer cold.

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8aBpX TIL the definition of grams and kilograms have been flipped; the kilogram is the SI unit of mass, and the gram is defined as 1/1000th of a kilogram.
44Ko TIL that the ancient Greeks had a goddess for sloth and laziness, Aergia.
WkngA TIL nerve cell proteins can be genetically engineered & remotely controlled by radio waves and magnetic fields, by attaching them to an iron-storing protein called ferritin
rRK40 TIL The earliest known life-forms on Earth are fossilised micro-organisms, found in hydrothermal vent precipitates (holes in the sea floor). They date to between 3.77 billion and 4.28 billion years ago.
mxBxo TIL that citric acid, one of the most common food additives (sodas, ice cream, processed sweets, cider, baby food) is usually not made from lemons, but by feeding sugar to black mould through an industrial process.