Feature

Eye Cells Color Sensitive

Burning Unmined Coal

Water-Tight Case Makes Any Camera Usable under Water

Debate Milk’s Cancer Role

Books of the Week

Enzyme Chemical Helps Prevent Adhesions

New Machines and Gadgets

Seeding Not Required

Nobel Prize Winners

Ten Turboprop Engines Give New Flying Boat High Speed

U. S. Short 130,000 Experts

In Science Fields