Feature

Porpoises Can Teach Man Marine Diving, Detection

Timber Is Big Business for One out of 20

Nature Note

U. S. Infant Mortality Decreasing Very Slowly

Polar Bear on Way to Sea

[Photograph]: Hurricane as Seen from Outer Space

Sleeping Bacteria Grown to Kill Japanese Beetles

[Photograph]: Fifteen Acres of Plastic

Insects Stand Radiation Better than Plants Do

Tobacco Substitute Fails

Hospitals Worry Patients

Doctors Are Reading