› added 7 months ago

27

TIL that those little cracks you see in dried out soil are called "dessication cracks," or simply "mudcracks."

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p8Vpe TIL that at the center of a pearl is a parasite. Making pearls is an immune response.
v79x TIL that during WWII women signed up to be impregnated by SS officers to help further the Aryan race. They waived all rights to the children they birthed, and they were raised in group homes that instilled Aryan beliefs.
xVj47 TIL that Chuck Yeager, the first pilot confirmed to have exceeded the speed of sound in level flight (in 1947), is still alive today and is 95 years old
yVyWw TIL -40° Celsius is the same temperature as -40 Fahrenheit°.
QJjxM TIL The 'Hubble Deep Field image' covers an area of the sky equal to holding a tennis ball at 100 metres away, and contains over 10,000 galaxies, each one with around 100 billions stars in it.