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TIL: Around 41.6 percent of Americans are nearsighted, up from 25 percent in 1971. Projections suggest that almost 50 percent of the world will be myopic by 2050.

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pYZLQ TIL that play is deemed so essential for healthy development that the United Nations recognizes it as a human right for all children.
dDED8 TIL With 8,130.5 mm (320.1 inches) of rainfall a year, Quibdó has the highest amount of rainfall in South America of any city of its size or greater. The wettest city of larger size, Monrovia in Liberia, receives 3,050 millimetres (120 in) less rain annually than Quibdó.
yo68 TIL The man who wrote what is considered the first significant self help book in 1859, Samuel Smiles, is the great-great-grandfather of Bear Grylls.
WkQNo TIL the word "synonym" has two synonyms - "poecilonym" and "polyonym"
R5arj TIL In the 4th century BC, Aristarchus of Samos proposed that the sun – not the earth – was the center of the universe. Copernicus proposed the same theory 1,800 later.