April 13, 2023
During the Ming dynasty, builders of the Great Wall of China added sticky rice porridge to their lime mortar. The mixture formed a stronger and more water-resistant bond than regular mortar.
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Apr 12
What word was once banned from weather forecasts? -
Apr 11
What ironic last words were uttered during the Civil War? -
Apr 10
Why did Truman cancel the White House Easter Egg Roll? -
Apr 09
Why did egg painting become part of Easter? -
Apr 08
What 1960s novelty item is used for cyber encryption? -
Apr 07
What animals can survive in the vacuum of space? -
Apr 06
What U.S. president once personally helped clean up a nuclear meltdown? -
Apr 05
What historical event shared headlines with summiting Everest? -
Apr 04
What historical leader was once kidnapped by pirates? -
Apr 03
What vegetables are actually flowers?