MARGINALIA
Do the Eyes Have It?
Dog domestication may have helped humans thrive while Neandertals declined
Pat Shipman
SIGHTINGS
Social Needs Help Sculpt Primate Faces
When University of California at Los Angeles researchers analyzed the faces of Central and South American primates, they found a pattern suggesting that differences in social behavior have an influence on facial features.
Catherine Clabby
SCIENCE OBSERVER
A Limited-Edition Report from the Field
From an evolutionary biologist’s year in Kenya’s Amboseli basin, both research and a fine-press book are emerging
Anna Lena Phillips
Microrockets Fizz Along
Tiny devices push themselves forward on a stream of hydrogen bubbles
Fenella Saunders
In the News
LETTERS TO THE EDITORS
Venus's Clockwork Contribution
Climate Versus Land Management
Behaviorology in Context
SIGMA XI TODAY (PDF)