Here's today's NOD (I love etymology!).
Lavoisier had found the magic ingredient, the active part of the air... By applying his painstaking system of accounting to science, he had looked into the heart of a flame. He now knew what fed every fire on Earth.
But what to call it? ...since it seemed to be trapped in many different kinds of acid, he named it "oxy-gene," which means "acid-born."
