Q. What's geeky, dorky, and round?

A. A biker's head without a helmet.

"Helmets keep you and your brain safe", said one kid.

But a helmet only protects you if you wear it right. Don't push a helmet back on your forehead -- keep it level above your eyebrows. And buckle the straps. The helmet should be snug.

Oh, not cool-looking enough? Okay, picture an unprotected biker's head squashed in the street. Now, that's real cool.

Here is more on what kids say about bike helmets (No pictures)