In 1518, a Town Danced Itself to Death
The Dancing Plague of 1518 struck Strasbourg, France, where hundreds of people danced uncontrollably for days without stopping. Some died from exhaustion and heart failure. Historians believe it was caused by mass
The word “chivalry” comes from the French cheval, which can be translated as "horse soldiery", but later in the 14th century it became associated with knightly ideals.
Butterflies have good eyesight within 10-12 feet, but any farther, things look blurry. They also must rely on ultraviolet colors (invisible to the human eye) to find mates and the right flowers.
An "android" (andro - man; eide - looks like) is a robot built to look like a human, while a "cyborg" (cybernetic organism) is a living thing with mechanical parts
