During Prohibition, winemakers sold a grape juice concentrate product called Vine-glo which included a “warning” on it: “After dissolving the brick in a gallon of water, do not place the liquid in a jug away in the cupboard for 20 days, because then it would turn into wine.” – WTF Fun Facts
Source: Vine-Glo – Wikipedia
The builders of Japan’s Nijo castle created purposefully squeaky floors, known as nightingale floors, to prevent ninja assassins from sneaking in. The floors were designed so that just the lightest step produced a clearly audible sound warning guards. – WTF Fun Facts
Source: https://www.amusingplanet.com/2018/04/nightingale-floor-ancient-japanese.html
Ronald Reagan enjoyed the White House’s squirrel population so much that on his last day in office he left a sign for them warning them to beware of George H.W. Bush’s dog. – WTF Fun Facts
Source: https://www.nytimes.com/2004/06/11/politics/remarks-by-former-president-george-hw-bush.html
Roses are planted at the end of a row of grape vines on vineyards because they are very susceptible to powdery mildew and mold. As such, they act as an early warning sign of mold or mildew allowing the vineyard staff to react before it impacts the grapes. – WTF Fun Facts
Source: https://www.kj.com/blog/stopping-smell-roses-vineyard
