Table of Contents September 2001

Discover Magazine's mission is to enable readers to lead richer lives by explaining and expanding their universe.  Each month we bring you in depth information and analysis from various topics ranging from technology and space to the living world we live in.
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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?
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
(Or, How I Got Siberian Elm Disease)
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
Being in space can give cells regenerative powers.
You've never heard of them, but your life may depend on them


Our intestines do a lot of work without complaint. When they do complain, what does it mean?