We’ve been dealing with this “nine” thing in prices, such as 29 cents instead of 30 cents, and gas being $2.499 instead of $2.50. You never have four pennies for exact change, so you almost always get a penny back. Meanwhile, they don’t make a coin for one-tenths of a penny, so getting exact…

Question: Why is it that the price of a gallon of gasoline has 0.009, or nine-tenths, of a cent added on? It’s like they think that people don’t know that it’s really another cent! (Asked by a curious penny saver.)

Question: I enjoy the C.P.S. (Curious Postscript) at the end of your columns. Please do a column on the C.P.S. Thank you! (An anonymous request from cyberspace.)

Question: A “mandatory evacuation was issued by the governor recently along the coast for Hurricane Dorian. Is it really mandatory? (Asked by a curious hurricane watcher.)

Question: I’ve always heard that if you put salt in the water, it will boil faster. Is that true? (Asked by Nicole Funk, Martinsburg, West Virginia.)

Question: Our body temperature is 98.6 F, so why do we feel so hot at lower temperatures, such as 80-85 F? We perspire to cool our body, but at these temperatures, one would think the body would be cool enough. Also, if we jump in a pool or ocean with a temperature of 85 F, the body feels a …

Question: Dr. Wilson, with so many presidential candidates in the news, we hear a lot about the Electoral College. I have heard that when I vote for a presidential candidate, I’m not really voting for him or her. Is that true? (Asked by a curious, concerned voter.)

Question: Why do many manufacturers insist on wrapping their products in plastic packaging that is so difficult to open? You often need scissors or some other cutting tool, and even then, it’s difficult. (Asked by a curious and frustrated consumer.)

Question: Where does the word “dibs” come from? For example, one might say, “I got dibs on that!” (Asked by a curious and faithful column reader.)

It’s the start of another curious season of the Curiosity Corner. This will be the 37th year — maybe I’ll make it through another one if I’m lucky. As my regular readers know, I kick off each season by airing some of my curious observations or pet peeves — some old and some new. Have a littl…

Question: A lot of people have pacemakers. What, exactly, do they do? (Asked by a curious reader with coronary concern.)

Question: If trees and shrubs don’t have any leaves after they shed them, how the heck do they have energy to regenerate without chlorophyll? They don’t store fat, or the equivalent, that they can draw on when needed, do they? (Asked by Bettie Rose Horne, of Greenwood)

Last week’s Corner was a trivia quiz on money, and you probably knew some of the answers. Let’s test your gray matter again this week, with a quiz that might take some guessing. See how close you can come to the populations of the following:

Question: I have a question regarding fireflies, or lightning bugs. Are the males the ones who light up or are those the females? Or do they both light up? (Asked by a nocturnal column reader.)

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