Feature

Government Chemist Less Optimistic on Ocean Gold

Nature Ramblings: More Water than Dust

First Glances at New Books

Front Matter

Capsule before Breakfast Gives Immunity to Colds

[Photograph]: Commemorating a Congress

Cancer Experts Warn against Hope from Lead Treatment

Extract of Maternal Tissue Successful against Measles

Education of Dog Owners Urged as Rabies Preventive

Dog, Hero of Research, Honored by Monument

New Comet Found during Search for Minor Planets

Moth Pest of Beehives Found Scientifically Useful