
The Ancestry of Corn
The progenitor of modern corn is probably the wild grass known as teosinte. The hypothesis has been disputed, but it is supported by new evidence from plant breeding, archaeology and folklore

The Ancestry of Corn
The progenitor of modern corn is probably the wild grass known as teosinte. The hypothesis has been disputed, but it is supported by new evidence from plant breeding, archaeology and folklore

Ionizing Radiation and the Citizen
How can mankind secure the demonstrated benefits of radiation and minimize the hazards that attend it? The question assumes that the species will not exterminate itself in a nuclear war

The Genes of Men and Molds
The study of the red fungus Neurospora crassa sheds light on exactly how the units of heredity determine the characteristics of all living things