› added 7 years ago

79

TIL Hippos secrete a “sweat” that is a natural sunblock and anti-bacterial moisturizer. Even though they have skin that is 2’’ thick, they are very susceptible to sunburn and skin cracking if they stay out of the water for too long.

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vPaXR TIL Many Blind People are having problems with falling asleep, because their bodies can't differentiate day from night, therefore their melatonin levels are disregulated.
LkLnZ TIL a single mirror produced in Venice in the 15/16th century was worth more than a painting by Raphael, and was about equal to the cost of a naval ship. The creators of the mirrors were so prized the Venetian government would send assassins to kill them if they absconded without permission.
mxQXP TIL carbonated water makes plants grow faster and makes green plants grow greener more than tap water.
6B1W TIL that in 2012, the Smithsonian officially recognized video games as an art form and had an exhibit to “comprehensively examine the evolution of video games as an artistic medium.”
9wpDm TIL that our eyes twist when we tilt our heads