Feature

Taking the Fuzziness out of Quasicrystals

Baby Faces Show the Right Side of Emotion

Identifying Cells’ Chemical Personalities

Task Force Says Circumcision Has Benefits

Panel Frets over Cash-Short Climate Studies

Pictures Show Smoking’s Ill Effects on DNA

Young Research Scientists Win Scholarships

Penned-in Positrons

Environment

Biomedicine

Time to Relax

Earliest Evidence for Plate Tectonics