Centuries ago, monks who took a vow of silence developed their own hand signs, with hundreds of gestures, that are still in use today. Plus, how do speakers of different languages distinguish similar shades and tints of colors such as red, yellow...
An alcoholic who’s been sober for 29 years wonders if she’s overly sensitive to the terms non-alcoholic and alcohol-free being used with reference to food and drink. The problem is that alcoholic has more than one meaning. It can refer to someone...
Here’s an unparalleled misalignment in which the words in one pair are synonyms of the words in the other pair: organic chemistry and carbon dating. This is part of a complete episode. Transcript of “And Natural Attraction?” Here’s another quadruple...
Butter of antimony, blue vitriol, flowers of zinc are terms used for centuries by alchemists, now replaced by the scientific names antimony trichloride, cupric sulfate, and powdered zinc oxide. In his delightful memoir Uncle Tungsten: Memories of a...
Writing in Uncle Tungsten: Memories of a Chemical Boyhood (Bookshop|Amazon) about his youthful fascination with chemistry, Oliver Sacks notes that lead acetate once went by the more appetizing name sugar of lead. This is part of a complete episode...
A chemistry professor in Bethlehem, Pennsylvania, says a word that she uses in the lab is also handy in everyday life. To aliquot something means “to divide into equal portions.” In piano construction, aliquot scaling involves adding extra...

