Feature

Warn of Danger in Use of Sulfanilamide Compound

Poison Acting in Cells May Cause Schizophrenia

More Childless Marriages; Fewer Large Families

Nature Ramblings: Question of Support

Bruised Cow Mute Witness of Fall of Meteorite

First Glances at New Books

Front Matter

Neurotic Rats Bring Dr. Maier $1000 Award of A.A.A.S.

Prize Winner Glad That Rats Can Serve Mankind

Physiologist Named President of American Association

Dangers Seen in Applying Science to Human Affairs

Must Work Fast to Beat Forces Returning Us to Middle Ages