Feature

Nature Ramblings: In Defense of Pelicans

Homo Sapiens May Be Ten Million Years Old

Look for the Perseid Meteors This Week-End

First Glances at New Books

Front Matter

Stratosphere Hop Experience Suggests Use of Robots

Stratosphere Fliers Faced Perils in Voyage to Upper Air

Test of Saliva Detects Intoxication

Midwest Drought Shows up in Water Levels of Rivers

[Photograph]: “T’aint No Sin”

Apoplexy Leading Cause of Death among Birds

Midwest Prairies Linked with Hot Sahara Desert