› added 6 years ago

295

TIL that Blue fireworks are the Holy Grail of the pyrotechnic world because the chemistry needs to be absolutely perfect to produce them.

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0wWPy TIL the reason we have 60 seconds in a minute, 60 minutes in an hour, and 360 degrees in a circle is because the Sumerians used a counting system with a base 60, which was then passed on to the Babylonians.
j66OM TIL garlic is a vegetable
odXR TIL some cadavers that are donated to science are used by auto makers as crash-test dummies
Y7v7Z TIL the Leaning Tower of Pisa began to tilt early in it's construction. In an effort to compensate for the tilt, engineers built upper floors with one side taller than the other. Because of this, the tower is curved.
9YMjQ TIL that the actors that played Ethel and Fred hated one another so much, that Vivian Vance (Ethel) once stated: “I loathed William Frawley (Fred) and the feeling was mutual. Whenever I received a new script, I raced through it, praying that there wasn’t a scene where we had to be in bed together.”