Feature

Radioisotope Device Measures Water Current

Large Syphilis Increase in 15 to 19 Age Group

Typhoid Fever in U.S.

Less Decay Occurs on Hand-Picked Fruit

Success of Insects Due to Seniority on Earth

Patents of the Week

More Fallout in Foods

Year’s Second Comet Discovered in Northeast

Petroleum May Be Partly Non-Living in Origin

Loss of Good Drugs Seen

Front Matter

Partial Enzyme Synthesis