Feature

Eta Carinae’s Star Turn Puzzles Astronomers

Battle of the Sexes

Anthropology

Once over Lightly with Chemical Microscope

What’s That Smell?

Science News Books

Back Matter

Dam the Bacteria, Drugs and Vaccines Ahead

Knotting Weakens a Polymer Molecule

Altered Buckyballs Go Straight to Bone

Pollutant Waits to Smite Salmon at Sea

Biomedicine