Uncategorized
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Science Past from the issue of December 17, 1960
HEAVY SHIELD UNNECESSARY — Heavy shielding as protection for an astronaut against space radiations may not be necessary, at least for trips of less than 50 hours and at distances not greater than 618 miles from earth…. [B]iological specimens were encased in different types of metal to test their effectiveness as shielding materials. Some specimens […]
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The Abacus and the Cross: The Story of the Pope Who Brought the Light of Science to the Dark Ages by Nancy Marie Brown
The story of Pope Sylvester II, who introduced Islamic math and science to the West. THE ABACUS AND THE CROSS: THE STORY OF THE POPE WHO BROUGHT THE LIGHT OF SCIENCE TO THE DARK AGES BY NANCY MARIE BROWN Basic Books, 2010, 328 p., $27.95.
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Cooking for Geeks by Jeff Potter
Learn the science behind sautéing and other cooking techniques in this combination recipe book and introduction to food chemistry. COOKING FOR GEEKS BY JEFF POTTER O’Reilly Media, 2010, 432 p., $34.99.
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Pluto by Barrie W. Jones
An astronomer explores the demoted planet and shows how it has contributed to scientists’ knowledge of the solar system. PLUTO BY BARRIE W. JONES Cambridge Univ. Press, 2010, 231 p., $35.99.
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Letters
Receipt of BPA risk news Thank you so much for your recent article (“Receipts a large and little-known source of BPA,” SN: 8/28/10, p. 5) on the possible dangers of touching cash register receipts! One group you may have overlooked as being at risk was accountants and bookkeepers. I own a small tax and accounting […]
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A year on the job, she takes pride in disaster response
When she took over in November 2009 as the first female director of the U.S. Geological Survey, geophysicist Marcia McNutt already had her work cut out for her in streamlining and modernizing a historic scientific agency. That was before a string of natural disasters—earthquakes in Haiti and Chile, a volcanic eruption in Iceland and the […]
- Physics
Nuclear split surprises
Physicists spot a new and unexpected type of lopsided fission in the element mercury.
- Chemistry
Bacterium grows with arsenic
A microbe appears to substitute a normally toxic element for a basic ingredient of life, raising intriguing questions about the limits of biochemistry.
- Humans
Food security wanes as world warms
Global warming may have begun outpacing the ability of farmers to adapt, new studies report.
- Space
It’s really full of stars
Astronomers find such an abundance of red dwarfs in eight nearby galaxies that they suggest the stellar population of the universe may be three times current estimates.
- Life
Dieting may plant seeds of weight regain
Cutting calories causes changes in the brains of mice that appear to encourage binge eating under stressful conditions years later.
