Who are you who are so wise in the ways of science?

Technological breakthroughs get big press because they can give us new tools and toys. We feel technology's impact directly: wheels and gears, zippers and microchips--the list is endless. But where would technology be without scientific discovery?

Nowhere, I say. Technology marches on a highway laid down by those absent-minded geeks who merely figure out what's true. So what are the ten greatest scientific discoveries of all time?

MSN Learning & Research - 10 Great Scientific Discoveries