Feature

Cancer Increases as Other Diseases Decrease

Quake Was Similar to One That Ruined Brilliant Knossos

Autumn Brings Nobility Even to Cornfield Weeds

Some Elements of Group V: “A Classic of Science”

Cosmic Rays May Be Emitted When Magnetic Poles Combine

Front Matter

Hippodrome Big as Football Stadium Found in Antioch

Milk Pasteurized by Conducting Electricity

Bacteria Lived in Tube More than 22 Years

Parrots Quarantined in Infected Areas

Dogs Are Just Beginning Evolutionary Loss of Toes

Appearance of Age Sprayed on Copper