When Was Braille Invented?
The Braille system of reading and writing was invented by a Frenchman named Louis Braille, in about 1829. It is an alphabet consisting of a
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How Did the Catfish Get Its Name?
How Did the Catfish Get Its Name? Catfish get their name from the long barbels, or catlike whiskers, around their mouths. The barbels are co
What Causes the Common Cold?
What Causes the Common Cold? Common colds are caused by tiny organisms called viruses, which infect the mucous membranes of the nose and thr
What Is a Funny Bone?
A “funny bone” is not really a bone at all. It is actually a bundle of nerves that passes near the elbow. We call the whole bundle the “