Feature

In Science Fields

[Photograph]: Jawbone of a Whale

Cosmic Rays Operate Radioteletypewriter

Thyroid Hormone in Ear Improves Hearing of Some

New Kind of Star Group Discovered at Harvard

Two New Vitamins $text{L}_{1}$ and $text{L}_{2}$ from Liver, Yeast

Ether Drift Experiment Is Repeated with Success

New Virus Causing Pus Discovered in Rats

Scientists’ Plea Is Move to Save World from Fascism

Front Matter

High-Grade Fuel Made from Run-of-the-Mine Coal

“Late” Artillery Reports Give Clues to Stratosphere