Feature

Front Matter

Ants Are Suspected

[Photograph]: A New Gun

Help Chinese Fight Erosion and Grow More Food

Vitamin $text{B}_{1}$ Obtained from Waste Yeast

Nova Found in Cygnus

For Every Nova Discovered, Many Reports Are Checked

Syphilis Is Non-Infectious after Brief Treatment

Farmers Wage Insect War

[Photograph]: Front Line Surgery

Improve Cancer Therapy

Houses Needed after War