During the past 14 years the National Opinion Research Center has sampled the opinions of the entire U. S. on this troubled issue. Its findings do not agree with some common conceptions
Concerning a new and surprising answer to one of the central questions of meteorology: What forces give rise to the great westerly and easterly wind systems that prevail on the earth?
Although its commercial importance has dwindled, it is the largest animal that ever lived. Some specimens are 100 feet long and weigh 150 tons. A blue whale calf grows at a rate of 200 pounds per day!
Presenting a sequel to "The Synthetic Elements," which appeared in the April, 1950, issue of this magazine. Since then nuclear chemists have synthesized and detected elements 98 through 101
At a handsome estate on a cliff beside the Hudson River Columbia University scientists study the Earth. Their special concern is the three fourths of the Earth's crust that lies beneath the sea
About flotation, in which ores are ground, mixed with water and infused with air bubbles. By manipulating the chemistry of the solution, various minerals can be made to stick to the bubbles
When light falls on the retina, nerve impulses are dispatched to the brain. How these impulses convey the messages of vision is investigated with the elementary eye of the horseshoe crab
Several comparatively rare disorders are caused by inherited defects of metabolism. A description of how certain of these defects were discovered and how they produce their symptoms
The annual Scientific American survey of books on science for young readers
In which strips of paper are used to make hexagonal figures with unusual properties