Eggs may one day have uses far beyond food and Easter fun.? The possibilities range from making cosmetics to fighting global warming.

All you St. Patrick's Day leprechauns drooling at the soaring price of gold will love this: bacteria that purify it.

Bandages and glues work well for closing wounds on the outside of our bodies, but sutures or staples are needed on the soft, wet surfaces within.? Some lizard-inspired engineering may change that.

Last week we told you about a possible way to trap carbon dioxide, a major global warming concern.? Now, here's a possible way to turn it back into fuel.

When you fill up your gas tank, you might one day also empty all the carbon dioxide you've produced with a new method aimed at stopping global warming.

On Tuesday, the half-million dollar Draper Prize will be awarded in D.C. for an engineering achievement you probably haven't heard of.? But your next flight will depend on it.

The hot game called Wii translates body movements to video.? The next idea -- moving video objects with your mind.

A team of college students is making window material, sturdy enough to cover the side of an office building, out of stuff grown in a field.

Wind is generally stronger and more consistent well above the ground.? So engineers are devising energy-generating wind turbines that float in the air.

We're used to anti-bacterial soaps, sprays, and such.? Even better might be products that spot disease-causing germs.