› added 3 years ago

71

TIL The speed of sound is different on Mars from what it is on Earth

Read more mars.nasa.gov

via reddit.com

6EJ47 TIL one of the oldest cinematic universes is the Universal Monsters series, which featured Dracula, Frankenstein, The Invisible Man, Wolf Man, and a recurring cast of characters from 1931 to 1951
E1A4w TIL shellac is made from secretions of the lac bug, has been used for almost 3000 years in finishes and resins/adhesives, and us UV resistant. It is nontoxic and is the ingredient that gives a shiny finish to many foods!
nWlJr TIL there's a spinning, floating island in Argentina
vJW4 TIL that one-third of humanity (including 60% of Europeans and 80% of North Americans) live in such light polluted areas that the Milky Way is not visible at night.
jNk5n TIL that Kool Aid used to be called Fruit Smack, and that Kool Aid actually thrives during the Great Depression, unlike other businesses at the time