Feature

Front Matter

Deadly Radiations Produced from Living Human Body

600 Miles per Hour Is Limit of Speed for Present Planes

1200-Foot Hole Will Seek Geological Evidence

Boats Could Double Speed Skimming Surface of Water

Old Age May Be Postponed by Calcium and Phosphorus

Rooster Saves Self by Leading Band of Quail

New-Found Java Skull Hints of Tropical Origin of Man

Auroral Green Light Found in Flaring Stars

New Apparatus Measures Kennelly-Heaviside Signals

Astronomer Suggests Comets Born of Eruptions from Jupiter

Tiny Organisms in Sea Soak up Much Sunlight