Scientific American Magazine

Hunting Coral and Studying the Living Beings of the Sea Floor In a Submarine Fairyland

The Method By Which the Scientist Locates Distant Earthquake Sources Is Surprisingly Simple in Principle

The Failure to Locate the Source of the Jade Used by the Maya Indians Does Not Prove that the Mayan Civilization Was an Old World Importation

Things He Hopes For But Seldom Realizes. A New, Giant Telescope Is His Next Hope

Technique Is Important if One Is to Alight Safely After a Leap from a Speeding Plane

Present "Grab-all-you-can" Policy in Oil Drilling Is Criminally Wasteful. Regulated Cooperative Drilling Is Necessary to Prevent a Future Oil Famine

"Saratoga" and "Lexington" Are Unique in the History of Naval Construction

Science Could Show the Sporting Goods Manufacturers How to Make Better, Faster and More Elastic Golf Balls, Tennis Balls and Baseballs--A Challenge

New Water Craft Will Travel 30 Miles Per Hour in Only Four Inches of Water

Invisible Waves Penetrate the Arctic Glow to Tell of Explorers' Historic Triumphs

Rayon, Although Commercially Unknown Thirty-five Years Ago, Has Come Into General Use Today

The Contour-Measuring Projector Aids Inspection of the Finished Product

In Nevada a Cave with Peculiar Markings Made by Man Has Turned Out to Be a Salt Mine of the Indians of Two Thousand Years Ago

Santa Catalina, Off the Coast of California, Is a Veritable Island of Silver

During the First Ten Years of Operation, the Earnings of the Canal, Excluding Interest Exceeded Expenses by Over Thirty-three Million Dollars,