More

Here are some more interesting questions since people responded well to the others.

What does the phrase, "time is up", mean? Was time down before?
Why don't we call it a "no-cough drop"?
What exactly is a mover or a shaker? Why would we want to be that?
If you keep your eyes on the prize, how can you have your eye on the ball?
Why does the American football rarely touch anyone's foot?
Why isn't tennis called raquetball?
Why do car companies name their vehicles after things that ram into others? For example Taurus (bull), Ram, Aries (ram), Charger, etc.
Did you know that Chevy's Nova means "it doesn't go" in Spanish? (No va)
Why is America's top selling speaker from Japan (Sony) while Japan's top selling speaker is American (Bose)?
What are celebrities thinking when they name babies? Examples: River, Moon, Star, Juaquin (I don't know all their hippie names) Pheonix, "Blanket" Jackson, Apple Martin (Gwenyth Paltrow's child), Dweezel Zappa, etc.
How does a red/green colorblind person know when to stop/go at a stoplight?
Did you know that fag is slang for the frayed end of a rope or shoestring, a cigarette, a remnant, or an English public-school boy who acts as a servant to another? Apparently this last one is where we get our modern meaning. Just so you know, a faggot is defined in Webster's as a bundle of sticks or twigs. Faggoting? That's a style of embroidery.
Did you know that scumbag was originally used as slang for condom? (Guess what scum means) ;)
Did you know that September, October, November and December were the 7th-10th months of the year originally? (Sept=7, oct=8, nov=9, deca=10). January is named for Janus, who could see forward and backwards (new year and old year). July is named for Julius Caesar and August for Augustus.

Just some stuff I found out or wondered.