Feature

Twins Don’t Stay Alike If They Don’t Stay Together

First Glances at New Books

Front Matter

Insulin Promises Cure for Common Mental Disease

[Photograph]: Coil and Recoil

Sudden Deaths of Mothers Is Price Paid for Less Pain

[Photograph]: Masts

No Secret to Pyramids Says German Professor

Heaven Is Called a Dream Based on Childhood Memories

Electric Instrument Invented to Take Place of French Horn

In Science Fields

New Beauty