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How Cells Clean House

Worn-out proteins, malfunctioning organelles, invading microorganisms: all are swept up by tiny internal "vacuum cleaners" that keep a living cell healthy. If the process, called autophagy, can be kept in good working order, aging itself might be delayed

By Daniel J. Klionsky and Vojo Deretic

Hooked from the First Cigarette

New findings reveal that cigarette addiction can arise astonishingly fast. But the research could lead to therapies that make quitting easier

By Joseph R. DiFranza

Fighting Killer Worms

Bloodsucking worms called schistosomes are among the world's most worrisome human parasites. A new genome sequence and powerful genetic tools promise to help crack their secrets

By Patrick Skelly


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