Feature

Rare Hawaiian Seal Arrives on Mainland

Speedy Vaccine for ‘Flu

Front Matter

Sunlight Spoils Particles

Plumb Sea Water Depths Twice Those Reached Before

Learn from Yellow Jackets

In Science Fields

Avoid Food Poisoning

Special Foods for Wounded

Tuberculosis Still Rates as Big Killer

Regular Flights over North Pole

Sugar Beet Molasses Yields Synthetic Rubber Chemical