Feature

“Lost” Species of Rubber Tree Is Rediscovered

In Science Fields

Save Fuel by Saving Heat

Nuclear Pictures Taken

Block-Busters Blow Disease Germs Apart

Pulsating-Jet Engine to Power Aircraft

Nature Ramblings: Down from the Trees

Spectrograph Gives Fast Quantitative Analysis

Calcium Carbide Removes Sulfur from Molten Iron

New Variety of DDT Kills Mosquito Larvae

Books of the Week

Ninth Magnitude Comet Is Spotted in Cetus