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TIL That Canada only has the "Loonie" because the original design was lost or stolen during transit

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ANMoo TIL the phrase ""if it looks like a duck, walks like a duck and quacks like a duck, then it's a duck" originated from a mechanical duck made in the 18th century that would appear to eat, digest and expel food.
gbx7 TIL that sending an all female crew to Mars would be significantly cheaper than sending men.
lWPB TIL that scientists at UC Berkeley were able to take atomic-scale pictures of a molecule before and after a chemical reaction. The images looked EXACTLY like the classic molecular structure diagrams shown in text books.
yQJM TIL in 1859 the largest known geomagnetic storm caused aurora over the Caribbean and telegraphs could operate without a power source
6ab8 TIL the longest record for a human without food is 382 days. The man went from 456 pounds to 180 pounds.