Feature

Bubonic Plague Now in France Probably Came from Africa

Nature Ramblings: Yellow Perch

New Idea of Cause of Sex Revealed by Fruit Fly Studies

First Glances at New Books

Front Matter

Polarized Light from Planets Shows Their Composition

A New Adjective Describing Your Writing, Maybe

Two Major Paleontological Finds in U. S. Announced

Saunders Medal Rewards Mining Engineer

Children Should Be Judged by Bone Growth, Not Age

Bunsen and the Geysers in Iceland: “A Classic of Science”

In Science Fields