Feature

Microbiology

Viking’s Search for Life: Another Mystery

Limited Use of Flu Shots Resumed

Behavior

Ripples in Physics: Apparent Failure of Muon Conservation

NIH Director Stays, CDC Director Goes

Cryptology

Primate Sex Preference at Ovulation

Geophysicist Next Science Adviser?

Physical Sciences

The Shift of Dissent

Fine Dissection of Virus: No Pandemic