Feature

Supersonic Air Pressure Measured by Light Waves

Efficient Engines Needed

Adapt Jet Plane Research to Turbine Locomotives

Dogs Can Digest Starches, Experiments Indicate

Recording Track Running

Two Comets Discovered by European Astronomers

Criticize Attacks Made on Loyalty of Scientists

Keep Scientists on Job

[Photograph]: Babylonian Bricks

Feeding Complete Meals by Vein May Be Possible

Front Matter

Human Brucellosis Remedy Too Costly for Animals