Heliocentric

purch

When Copernicus proposed the theory that the earth orbited around the sun, it wasn't well received. No one could believe that we weren't the center of the universe! Heck, Galileo was legally named a 'heretic'.

Anesthesia

hswstatic

Up until then, nitrous oxide was used as a recreation drug at parties. They discovered the other, useful, function when one man sliced his leg while high and didn't feel like a thing.

 

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