Feature

Satellite’s Radio Signals Scintillate like Starlight

New Shock Treatment

Study Russian Obstetrics

Techniques Clue to Pre-Columbian History

U.S.S.R. Exports Doctors

New Viruses Paralyze

[Photograph]: Super Bushing

Power Mower Injuries Up

Study Homosexual Pattern

Cockroaches Make Migrations En Masse

Fly’s Mating Habits May Lead to Its Death

Find Extra Chromosome