Feature

Man a Machinist for 10,000 Years

Nebulae Emptier than Air; Metals Are Frigid Vapor

Lightning Not Dangerous to Aircraft in Flight

[Photograph]: Modern Watch Timing

Energy of Dickens Due to Glandular Balance

Soviet Scientists Find Radio Roof Higher in Polar Regions

Movies Show Cells “Running Backwards”

Research Upholds Idea of Energy Changing into Matter

Bitten 13 Times, Black Johannes Fears No Snake

Mosaic Disease Causes Crippled Pea Pods

New Deal in Forestry Aims at Sustained Yield Management

Chickens Were Known in Old Testament Days, Art Reveals