Feature

Yellow Dextrin Found Harmful to Mice

Douglas Fir Felled in 1895 Older than Sequoias

New Hormones Show Whether Boy or Girl Will Be Born

First Glances at New Books

Earliest American Girl May Have Met Violent Death

Stone Ceremonial Lamp Found in Alaska

Front Matter

Meteors Cause Reflection of Short Wave Radio Signals

Rats More Clever than Humans at Escaping from Labyrinth

Dropsy Outbreaks Traced to Protein-Deficient Diets

Earth Apparently Missed Main Leonid Meteor Swarm

In Science Fields