› added 9 years ago

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TIL the Richter scale is an exponential scale which uses powers of 10. Meaning an earthquake measuring 9 on the Richter scale 1,000 times stronger than one measuring 6.

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QNDgk TIL that a placebo can still work even when a subject knows it’s a placebo
wL0oE TIL People with lazy eye (amblyopia) are not lazy but they can’t control the way their eyes work. Common in children, it develops when there’s a breakdown in how the brain and the eye work together, and the brain can’t recognize the sight from 1 eye
J1AJv TIL the "Red Phone", which linked Washington to Moscow wasn't red, or even a phone. It was teletype when the system started in 1963, switched to fax in 1986, and secure email since 2008.
Jnvm TIL the idea that carrots significantly improve eyesight was a myth created by the RAF to obfuscate the fact that they had advanced radar technology during WWII.
me6o TIL looking at an aquarium for 10 minutes delivers “significant health benefits” such as improving people’s mood, reduced heart rates and blood pressure.