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TIL Wind turbines are painted white to help them both blend in and to stand out. White or light grey helps them ‘blend’ into the background, when the sky is cloudy. From the air the white color helps them stand out to planes. The same colour has two strikingly opposed purposes.

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R8ma TIL there is a company specialising in making hidden doorways \ rooms for your home. One requires a chess board played in a certain combo to unlock.
QJ95p TIL on the 3rd day of the 3rd month 1933 an earthquake at the 33rd parallel caused 3000 casualties in a Japanese area whose 30% of the population lives bundled up around one city.
Y77wW TIL when Kurt Angle won an Olympic Gold Medal in 1996, his opponent Abbas Jadidi tried raising his arm believing he'd won, leading Kurt to believe he lost. The referee then raised Kurt's hand, and Kurt got more emotional than otherwise cause he genuinely believed he'd lost.
LQbmm TIL that high fructose corn syrup and sucrose (table sugar) have similar ratios of fructose and glucose: 55:42 and 50:50 respectively.
E1AwX TIL the area covering the present day Republic of Ireland lost over half of its population from 1841 to 1901. The population still hasn't fully recovered.