Feature

Asian Human-Origin Theory Gets New Teeth

Making the Right Stuff

Aquatic Viruses Unexpectedly Abundant

Back Matter

AZT Helps in Early AIDS

Upside-down Spider

More Veggies Join Fight against Lung Cancer

Cloudy Concerns

Drilling Begins in Search of Molten Energy

Chilling an Atom in Solitary Confinement

Baby Bee Odor Lures Cradle-Robbing Mites

Dubious Demonstration