Feature

[Photograph]: In an Armor of Spines

Six Generations of Poliomyelitis Virus Grown outside Body

Likes and Dislikes Signalled by Babies’ Feeding Behavior

Fish Use Their Ears to Maintain Balance

Metal, Though Good Conductor Now Insulates against Heat

Textiles May Come from Equadorian “Silk Flower”

Changing Science Is Leaving Nothing Solid in Universe

In Science Fields

Harvest Moon Now Flooding Earth with Excess Light

Smallpox Threatens Large Part of Country

Tropical Hurricanes Once Ancient Maya Disasters

The Great Ice Age: “A Classic of Science”