Feature

Smallpox Virus from Eggs “Takes” in Vaccination

23-Year Sunspot Cycle Gives Key to Long Range Forecasting

Long-Known Chemical Found to Be Most Versatile Solvent

[Photograph]: Antarctic Camera

Encephalitis Patients Develop Protective Substance in Blood

Monkey-like Fossils Found in California

Nature Ramblings: The Breath of a Fish

Auditory Nerve Cannot Carry Highest Audible Frequencies

Improved Radio Beacon to Aid Aviators

Bootlegger’s Tricks Legally Age Liquor

Front Matter

New Method Controls Scarlet Fever Epidemic