Feature

Magnetism of the Sun: “A Classic of Science”

Rats Used to Measure Danger from Penetrating Gamma Rays

Electrically Heated Apartments for Toads and Snakes in Zoo

The Evening Skies in March

Seeks Federal Aid for Crippled Children

“Grand-Scion” of Famous Elm to Replace Fallen Ancestor

Cost of Coal Is Reduced by Safety Measures in Mines

Fish-Catching Spider Found in Georgia

Mental Hygiene Centers Would Save Thousands of Dollars

Nature Ramblings: A Contemporary Fossil

Front Matter

New Clock Correct to 1-500 Second in 24 Hours