Is there a term for the need to sneeze when you step out into the sun? There are several, including the photic sneeze reflex, solar sneeze reflex, the Peroutka sneeze, and Autosomal Dominant Compelling Helio-Ophthalmic Outburst Syndrome, also known...
Janet in Tucson, Arizona, wonders about a phrase she once saw on a business card: Fortune Favors the Audacious. It’s a translation of a saying that goes back to antiquity, with many variations, including “fortune favors the brave”...
If you know someone with a 20th birthday coming up, you’ll want to tuck this word away in your pocket: vigesimal. It means “having to do with the number 20,” and comes from Latin vigesimus, or “twentieth,” a relative of...
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...
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...
Cark is a noun meaning “worry” or “trouble.” As a verb, cark means “to cause worry or distress,” as in to have carking doubts. This word derives from a Latin word for “burden,” which also produced...

