Feature

Most Important Mayan Pottery Jar Found in Burial Vault

Scientists Gather for Great Midwinter Meeting

In Science Fields

Nature Ramblings: Permanent Christmas Trees

First Glances at New Books

Front Matter

New Government Groupings Expected to Promote Research

[Photograph]: Bristling Mercury Boiler

Cosmic Rays Are Photons, Dr. Millikan Declares

Diminishing Moon to Eclipse Bright Star Regulus

[Photograph]: Mississippi Floods a Lawn

Heat Wave Aids Small Boat to Sail “Impossible” Arctic Seas