Feature

May Get Tularemia from Mosquito Bite

First Welded Penstock Built in California

Eddington Reveals Details of His Theory of the Electron

New Chapters in American History

Height of Shooting Stars Measured with Wire Frame

Front Matter

Compression of Hydrogen May Cut Guess at Sun’s Age

Electrified Particles in Air May Explain “Curative Values”

Nature Ramblings: Whiskey-Jack

Most Observers Expected to Watch Meteor Shower

Einstein Read Philosophy When Only 13 Years Old

Will the Great Shower Return?