Feature

British Report Most Potent Form of Vitamin D Yet Known

Universe Rushing Outward May Be Optical Illusion

Third Competitor Enters Race for Missing Element 87

Homes of Ancient Egypt: “A Classic of Science”

New Projector Will Produce Eclipses of Sun on Demand

[Photograph]: Memorial to Columbus

In Science Fields

[Photograph]: Rocky Mountain Reptiles of Sixty Million Years Ago

[Photograph]: Trees Swallowing Boards

Front Matter

New Drug Treatment Gives Hope for Relieving Insanity

Bacteria May Have Helped in Formation of Anthracite