› added 5 years ago

126

TIL That you don't actually need to rinse your mouth after brushing your teeth.

Read more nhs.uk

via reddit.com

wLWbo TIL that in the Netherlands on May 4th 8pm, no matter where you are, there is a 2 minute silence for the soldiers that died in WWII.
PjG TIL that mammals have a reflex to reduce the intensity of loud noises. It’s possible to exploit this by simply humming or speaking. Loud noises don’t just sound less intense, less sound is actually transmitted to the inner ear and then to the brain.
woMeP TIL that “fire rainbows” are real. They’re called circumhorizontal arcs and happen when sunlight passes through ice crystals in high-altitude cirrus clouds—creating vibrant, horizontal bands of color in the sky. I had no idea these existed until today.
n6yW TIL After John F Kennedy’s WWII PT boat was sunk he wrote a message on a coconut asking for help. The coconut message worked. Kennedy kept the coconut and it became a Presidential paperweight.
nW8E9 TIL Fifty Shades of Grey started as a Twilight fanfiction named Masters of the Universe. There are even pdf copies on the internet where Christian and Anastasia are still named Edward and Bella.