Feature

French Machine Lays Prefabricated Track Parts

$3,000,000,000 Water Bill Needed to Fight Pollution

Front Matter

Television Viewing Area Larger with New Tube

Do You Leave Bread Crusts? Rats Are Particular, Too

Yellow Fever in Panama Would Be Worse in August

Test Your Science Ability with Sample Problems

Soviet Uranium Deposits

Antidote to Spider Bite

New York City Water Supply 50% Greater in Five Years

Historic Telescope Moved

Leapfrog-Playing Shark Is Reported by Scientist