Table of Contents March 1996

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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Ever since Isaac Newton watched an apple fall to the ground, scientists have taken gravity for granted. Until, that is, they tried to measure its strength with high-tech precision. Their results were so incredibly far off as to be newsworthy.
The world's best map of the seafloor comes from satellites.
Novel chemicals may help teach dogs to sniff out corpses, drugs, and bombs.
With its vast area and long history of settlement, China ought to have hundreds of distinct languages and cultures. In fact, all the evidence indicates that it once did. So what happened to them all?