Feature

Erratum: Aluminum-Coated Mirrors New Aid to Astronomy

Erratum: Eyeball Does Not Pivot Exactly on its Center

Front Matter

Trees Bearing Gifts

Science Marches On

Front Matter

Speed of Average Driver on Highway Found to Be 35 m.p.h.

Speedy Action Rescues Relics of “Lost City”

Pound of “Heavy Water” Being Manufactured

Resistance to Disease May Be Inherited

New Paraffin Test to Detect Hand That Fired Gun

Radio Timing Aids Earthquake Study