Feature

Cell’s Gene-Copying Machinery Anchored

EPA Monitors Wastes from Cradle to Grave

Hair-Dye Mutagen: Color It FDA-Immune

Ancient Whale: By Land and Sea

Two STS Finalists Tie for Top Prize

Allergy Antagonist No Longer Elusive

Thrashing out the Moon Treaty

The Handicapped: Stifled by ‘Kindness’

NAS Cuts Soviet Tie

Biomedicine

Earth Sciences

Electronics Olympic-Style