Feature

Method of Keeping a Journal at Sea: “A Classic of Science”

Need Good “Ear” to Play Fixed-Key Instruments

In Science Fields

Science at the World’s Crossroads

Most Distant Visible Nebula Seen by Palaeozoic Light

Ultraviolet Light Used in New Photographic Process

Cheap Coals, Reduced to Powder, Make Superior Fuel

Study Shows Cancer Varies with Nationality

Means Found for Measuring Amount of Vitamin B Needed

Forest Fire Fighters Drill Their Own Wells

Front Matter

Gravity and Electricity Are Merged in New Mathematics