Feature

Cathode Rays Make Burns

Milk Sickness Poison

Classics of Science: Preparation of Carbon Dioxid

New Comet Seen by Astronomers

Leaves Uneven Workers

Lenin Had Genius Brain

Know Your Christmas Tree

First Glances at New Books

Back Matter

Front Matter

New Comet Visible in Evening Sky

Nobel Prize-Winner Tells of Discoveries: X-Rays as a Branch of Optics