› added 13 years ago

158

TIL that only 9 US Presidents to date were not millionaires

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OoOae TIL that a USSR physicist published his equations for solving reflected electromagnetic waves from surfaces, as the Soviet authorities considered them insignificant for military purposes. His work was found by Lockheed in the 1970s, leading to a breakthrough in developing their stealth plane F-117.
X0Y6 TIL that the colour Blue acts as an appetite suppressant while the colour Red stimulates your appetite.
m1KgP TIL that bears maintain muscle mass during hibernation by recycling urea - the nitrogenous waste normally removed by urination
vPgL8 TIL About the French Gratitude Train
QJOoe TIL Some space telescopes are inspired by the lobster’s eye design.