Feature

“Windbreak” of Trees May Increase Wind Velocity

Atoms Pay Tax; But Energy Not Money Is the Medium

Radio through Lightning Possible without Static

Widely Used Sex Hormone Obtained from Whales

Nature Ramblings: The Worth of Weeds

Psychiatrist Cures Paralysis in Almost Miraculous Fashion

First Glances at New Books

Back Matter

Russia Buys Low Temperature Apparatus from Cambridge

Indian Art to Enliven Boulder Dam Power House

No More Straight Furrows

Artificial Lava Currents Show What Happens in Earth