Feature

Alcohol Harmless to Liver but Excess Increases Its Fat

Biologist Predicts Babies May Come from “Borrowed” Ova

Air Mass Analysis Demands New Weather Map

Back Matter

Beauty Unseen

Old Age Might Be Postponed 15 Years by a Proper Diet

Vitamin Experts Confer on Standard for Vitamin $text{B}_{1}$

Etruscans Did Not Figure in Direct Descent of ABC’s

Front Matter

Mallard Duck Built Nest in Tree Instead of Grass

Vitamin B May Play Part in Body’s Fat Production

United States Lags in Fight against Smallpox