Feature

Advise Precautions against Horse Sleeping Sickness

Search for Elements Heavier than Uranium Unsuccessful

Nature Ramblings: Seeking an Ancestor

24-Hour Recoveries Result from Synthesized Vitamin

Superb Lightning Picture Snapped in Yellowstone

Vaccine to Guard Men from Horse “Sleeping Sickness”

First Glances at New Books

Nature Ramblings: Weed-Fed Ducks

Old Violins Studied to Learn Their Secret

Iran May Prove Oldest Center of City Life

First Glances at New Books

Front Matter