Feature

Black Stain Makes Measles Virus Bodies Visible

First Glances at New Books

Fight against Heart Disease Chiefly Afflicting Children

Nature Ramblings: Agriculture Celebrates

Music May Have Scale of 53 Notes, Predicts Jeans

Chemistry Award Goes to Karrer and Haworth

Anti-Pneumonia Vaccine Being Distributed to C.C.C. Camps

Predicts Ten Million Will Have Hospital Care Insurance

Vanished Lands

Chemicals Added to Coal Fail to Aid Its Burning

Petroleum Chemists Told of Need for Basic Research

Psychology Group Issues Manifesto against War