Feature

African Ape Fossils Not so Old as First Thought

First Glances at New Books

Front Matter

Better Pneumonia Treatment Made Possible by Research

[Photograph]: Plenty of Ultraviolet

Darts with Elephant Bones Prove Americans’ Antiquity

Alaskan Mummy Caves Shed Light on Ancient North

Glucose Is Source of New Type of Explosive

X-Rays Cure Rare Disease, Changing Girl’s Personality

Babies’ Heads Measured before Their Birth

Tuberculosis Methods May Be Useful with Arthritis

Scientific Methods Essential to Solution of Problems