Feature

Sound Recording Methods Preserve Bird Calls

Watch Venus and the Perseids

General Scientific Ability Believed Non-Existent

In Science Fields

Museums Lack Specimens of Animals Now Becoming Extinct

First Americans May Have Been “Redskins”

Spectroscope Proves Aid in Study of Hemoglobin

Italy’s Chemists Gave Her Weapons for War in 1934

Engineer Sees Wider Use of Precious Metals in Industry

Mental Disorder Is Viewed as Disease of Old Age

Animal Charcoal Successful as Treatment for Infections

Nature Ramblings: Crusty Convincers