Physics' Best Kept Secret
If quantum theory weren't valid, no one would be walking around with cell phones or Palm Pilots. So physicist David Deutsch wonders this: Why do many smart scientists ignore the larger implications of quantum mechanics?
Genes in Microgravity
Being in space can give cells regenerative powers.
One Tough Tree
(Or, How I Got Siberian Elm Disease)
Seismic Shift
If a nuclear sub blows up in the ocean and no one hears it, did it really explode? The Russians won't say, but a seismologist in Arizona knows the answer
Stardust
The Earth grows fatter every day, snowed under by a continuous microscopic flurry of space specks. Now scientists think space dust may hold the clues to which stars parented our solar system
The Most Important Fish in the Sea
You've never heard of them, but your life may depend on them