If you dig a hole through the center of the earth, come out on the other side, and then let go, would you be falling down or floating up?
Why doesn't the hair on your arms grow as fast as the hair on your head?
If ketchup is good on french fries, how come it isn't good on mashed potatoes?
Why are elderly people often called "old people" but children are never called "new people"?
What shape is the sky?
What is a chickpea if it is neither a chick nor a pea?
How old does something have to be to become an antique?
Why is it called a "building" when it is already built?