Scientific American Magazine

The transistor, a superior new means of controlling the flow of electrons, has now been developed in a practical form; it liberates electronics from the limitations of the vacuum tube

How aerial photography and the jeep combined to give an overall view of the many cultures that flourished on the north Peruvian coast before the Inca conquest

Hundreds of fathoms down in the oceans is a drifting mass that once was called the "false bottom" but now is believed to consist of organisms, identity unknown

Vigorous new crosses of the ancient cultivated plant have revolutionized the agriculture of the Corn Belt. An account of their development and its consequences

Structure underlying function is shown by electron micrographs

Some remarkable optical illusions show that what we perceive does not directly correspond to reality; it is a subtle blend of the external world and the many lessons of our experience

A hereditary disease in which some of the red blood cells are shaped like crescents instead of disks has been traced to a defect in the molecule of hemoglobin

Concerning Machina docilis, descendant of Machina speculatrix, the small imitation of life that was described in the May, 1950, issue of this magazine