› added 4 years ago

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TIL that Betsy Ross didn’t actually make the first American flag in 1776. It was a story made up by her grandson, 100 years later.

Read more history.howstuffworks.com

via reddit.com

gMGaW Today I learned upside-down rainbows exist; they are named circumzenithal arcs and are considered halos. Arcs are caused by the refraction of sunlight through ice crystals, generally in cirrus or cirrosts clouds, rather than from raindrops like regular rainbows.
8XoP TIL an Island off Brazil is Estimated to have 1 Golden Lancerhead Viper Per Square Meter
k8dB TIL that the oldest living person in the world smoked cigarettes from ages 21-117. She lived to be 122.
P10og Today I learned pizza isn't Italian
GYwyJ TIL that defibrillators work quite differently than in movies. Its actually used to stop the heart from fibrillating (hence the name defibrillator) The electric shock momentarily paralyzes the heart so that a synchronized rhythm can be restored.