Science Frontiers
ONLINE
No. 3: April 1978
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Contents
Archaeology
Stone Circles in Saudi Arabia
Scientifically Acceptable Fossil Footprints
Astronomy
Strange Hillocks and Ridges on Mars
Radio Signals From the Stars
Biology
Predaceous Insect Larvae Don "sheep's Clothing"
Yeti Or Wild Man in Siberia?
Geology
Immense Circular Terrestrial Structures of Great Age
Geophysics
Modern Episode of Offshore Booms
Cosmic Rays May Trigger Lightning Flashes
Category X
Marsh Gas Or the Planet Venus?
Extraterrestrial Influences on Chemical and Biological Systems
