Feature

Vitamin $text{B}_{12}$ Aids Growth

Radioactive Alcohol Is Tried on Rats

New Relief for Arthritics

Unified Science Is Possible

[Photograph]: For Child Cancer Victims

Scientist to Spend 92nd Birthday in African Jungle

Eva the Engineer Must Remember to Be Eve

Science Review for 1949

[Photograph]: Clue to Vanished People

[Photograph]: City Discovered

[Photograph]: Harvard Mark III

[Photograph]: “Operation Seasickness”