Feature

Variable Stars: Volunteers’ Role

Olfactory Synchrony of Menstrual Cycles

New Precursor to Natural Painkillers

First Gamma-Ray Sky Catalog

Coal-Caused Superinterglacial

Light Monitors Tissue Temperature

Navigation Satellite Carries Atomic Clock

First 400-GeV Results from Europe

Oldest Dates for Mayan Origins

Biomedicine

July Stars

Earliest Diapsid Reptile Identified