Feature

Front Matter

Chemical for Mental Ills

[Photograph]: High-Temperature Research

Reverse Thrust Stops High-Speed Turbojets

Attendance at School

Publish Sky Atlas

TB Major Problem among Merchant Seamen

Psittacosis Breaks Out

Sun-Powered Battery

Soviet Psychologists at International Meeting

Rats and Guinea Pigs Make Inaudible Sounds

Diet for Jaundice Patients