Feature

Unusual Movie Built from Variations of Parabola

Danger to Heart in Local Anesthetics

First Glances at New Books

Front Matter

Smokers Less Long-Lived; Heavy Drinkers Die Earlier

[Photograph]: Synthetic Dust Storms

Tests before All Flights Recommended for Pilots

New Planes Will Be Double the Size of Today’s Largest

[Photograph]: Three Lamps

Extinct Cinder Cone Makes Striking Aerial Photograph

Too Hard or Too Soft: Life Sinks to Savagery

Ultra-Short-Wave Beacons May Guide Future Aircraft