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Cancer Drug Helps Paralyzed Mice Walk

Back Matter

The Leonids Are Coming! The Leonids Are Coming!

Bigger U.S. Population Uses Less Water

Getting to Our Inner Earth

Giant Iceberg Breaks Off

Atom Tinkerer’s Paradise

Clues Hint How Particulates Harm Lungs

DNA Computing Tricks Add up to Progress

Bright Lights Dim Winter Depression

Science News Books

Front Matter