Feature

Fossil Plants Clues to Ancient Climate

Russian Instrument Measures Salinity

[Photograph]: Hypersonic Wind Tunnel

Accidental Hunting Death Starts Gun-Safety Class

Nature Ramblings: Deep Sleepers

Chart Space “Weather”

Protect U. S. from Malaria

Eisenhower Urges Science Youth Participation

Iron Supplies Seen Ample for Immediate Future

Books of the Week

Female Sex Hormones May Cause Gallstones

Killing Back Yard Wasps Is a Tricky Business