› added 7 years ago

200

TIL Fracking caused a >10000% increase in Oklahoma earthquakes

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BrMMk TIL that the refreshing and minty taste of toothpaste was originally constructed as a marketing technique, in which our subconscious minds learned to anticipate the tingling sensations of citric acid, mint oil, and other chemicals as a sign that our mouths were 'clean', thus creating a habit loop.
a84wN TIL that you are not supposed to rinse your mouth with water after brushing teeth or using a mouthwash, because the fluoride coating on your teeth helps protect against cavities and rinsing your mouth after dilutes the fluoride, making it ineffective. Instead, you should wait, preferably 20 minutes.
ZpKrD TIL on March 1st, 1504, Christopher Columbus convinced the inhabitants of Jamaica to keep provisioning him by threatening to take away the moon.
5Vr7p TIL The Original Star Trek's theme song had lyrics.
xVXpk TIL the bird, the Common Swift, can stay in the air for up to 10 months without landing. They can even sleep and mate while flying.