June 2003

Dino Family Values

Were the relatives of Tyrannosaurus rex social creatures that stuck together with kin? If a maverick researcher is right, life in the Jurassic was one long, frightening picnic

by Eric Levin, Illustrations by James Gurney

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June

Departments

Sky Lights

Among a sea of white and red, astronomers search for the color of life
by Bob Berman

Bogglers Solutions

by Scott Kim

NeuroQuest

A whole lot of shaking helps bring your eyes into sharp focus
by Eric Haseltine

Bogglers

by Scott Kim

Reviews

Vital Signs

What's the connection between mental illness and cornea color?
by John R. Pettinato

The Biology of . . . Sunscreen

Nature teaches biologists how to beat back the sun and repair what it damages
by Ingfei Chen

Emerging Technology

Are computers better qualified than humans to grade student essay exams?
by Steven Johnson

Letters