Feature

Answer to “Who Are You?” Varies with Age and Sex

Nature Ramblings: Autumn Woods

“One and Only,” “Lucky in Love” Are Myths

Faulty Sex Relations Stem from Bottle Feeding Baby

Solutions to Air Pollution

[Photograph]: New Welding Gun

Ancient Ax-Heads Made of Bone Discovered

Cause of War Threat

Pine Tree Has Its Spring in the Fall

Fetal Heart Is Simple, Grows to Complex Organ

Nobel Peace Prize Winner

Lung Cavities Healed