Feature

[Photograph]: Life-Saving Suit

Roaches and Bedbugs Used to Test Insect Sprays

New Machines and Gadgets

New Use for Heparin

Show First Breech-Loader at Smithsonian in Capital

[Photograph]: A New Gun

First Glances at New Books

For Every Nova Discovered, Many Reports Are Checked

Front Matter

Outliving Expected Life

Improve Cancer Therapy

China’s Schools Carry On