Traditional air-bag systems mounted in the car's steering wheel and elsewhere use a hot gas to rapidly inflate the bag during a crash.

WSJ: Five New Technologies to Make Driving Easier

If you're used to the scroll wheel on the iPod and iPod mini you might not be so hot on it.

ENGADGET: Review of Motorola's 5GB M500 MP3 player

That hot 23-year-old grad students attract more suitors on Match.com than wheel-chair bound nursing home inhabitants?

FORBES: Stop With The Stupid Fat Suit Experiments, Please

Throw in a couple of hot-pink sweet pea vines and a clump of sunflowers, and you've exhausted the color wheel for good.

WSJ: Picking Colors for Your Garden