Feature

New Chemical Kills Nematodes, Soil Pests

New Machines and Gadgets

Front Matter

Chain Reaction Celebrated

Sun’s Speed Related to Globular Clusters

[Photograph]: To Give Power

Toxic Convulsions Caused by Lack of B Vitamin

Nazi Mass Sterilization

Bodies Need Fat, Protein

Mirror Can Be Window Too

Cancer Can Be Avoided

Many Protein Sources Can Substitute for Meat