Feature

Front Matter

Universe Seems to Throb Slowly, like a Giant Heart

Celebrate Publication of Famous Digestive Study

Insects Use Many Devices to Live through Winter

Recovery Program Aims at Human Resource Conservation

Road Roller of Prehistoric Road Builders Found in Yucatan

Mexican Clay Horses Recall Spanish Conquest

Visits to the World of Cells

Most Intelligent College Men Choose Most Intelligent Mates

In Science Fields

Saturn Rules October Evening Skies

Synthetic Rubber Made Equal to Natural Product