In 1803, a shy British pharmacist wrote a pamphlet that made him a reluctant celebrity. The reason? He proposed a revolutionary new system for classifying clouds — with Latin names we still use today, like cumulus, cirrus, and stratus. Also: when...
Cara in San Diego, California, notes that the word monologue refers to something spoken by one person while dialogue involves two people speaking, and that a bicycle has two wheels and a unicycle has one. So why aren’t they monocycles and...