Scientific American Magazine

Presenting an account of the theoretical background of the weapon and a discussion of some questions it has raised in regard to our present policy of security

The President's declaration of last year paraphrases a whole concept of maintaining the peace of the world through technical assistance to underdeveloped areas

Hemoglobin is red, hemocyanin is blue, chlorocruorin is both red and green. All are studied together because they perform the same function in rather dissimilar organisms

The startling results of their administration in several rather different diseases suggest the beginnings of a unified theory of medicine

In which cats (1) learn complex patterns of behavior, (2) are subjected to contradictory influences and (3) develop neuroses which are relieved by psychotherapy

The molecular combination of radioactive and stable atoms results in some bizarre and potentially useful chemical reactions

The individuality of cells is obscured by their social organization. The cells of certain plants are therefore isolated and grown in a controlled asocial environment

The forces that propel an infant into the world have now been measured precisely by a technique largely developed for experimental engineering