Feature

Evolutionary Changes Found in Virus of Tobacco Mosaic

Cast of Easter Island Head Placed in American Museum

Chemists Seek Uses for Molasses-Thick Oil

Method of Striking Key Has No Effect on Tone

Tiny Radio Sets Help Handle Long Freight Trains

Back Matter

Future Motor Car Features Rear Drive, Air Conditioning

In Science Fields

Model Shows Layered Interior of Earth

Can Fingerprints Be Forged?

Unusual Obituary Tells of Death of Oldest Chimpanzee

Tribe Has Strange Ways with Brides and Killers