A high-schooler in Indianapolis, Indiana, wonders why the word number is abbreviated as no., given that there’s no letter O in the word. The answer lies in the Latin word numero, which is the ablative form of the Latin word for number, numerus. The...
Cassandra, who lives in Pittsburgh, Pennsylvania, wonders about the rules for how to punctuate titles such as Professor and Doctor. Growing up in South Africa, she was taught that, in contrast to practice in the United States, the titles Dr, Mr, and...
A high-schooler in Indianapolis, Indiana, wonders why the word number is abbreviated as no. when there’s no letter O in the word. The answer lies in the Latin word numero, which is the ablative form of the Latin word for number, numerus. This is...
A San Antonio, Texas, middle-schooler has observed that when she and her friends are texting, they use different spellings to indicate agreement. Her friend types OK, but the caller prefers okay. Either is correct. For an engaging, thorough history...
How did the acronyms POTUS, FLOTUS, and SCOTUS for President of the United States, First Lady of the United States, and Supreme Court of the United States come about? This is part of a complete episode. Transcript of “POTUS, FLOTUS, and SCOTUS”...
Our Quiz Guy John Chaneski went through his day planner to combine activities with the abbreviations of days and months. For example, when it’s a relief after a long week just to get in bed, you’re talking about Satin. This is part of a complete...

