Uncategorized
- Humans
Letters from the March 18, 2006, issue of Science News
Comfort zones Just because living organisms were found in extreme conditions does not necessarily mean they were created in these localities (“Is Anybody out There?” SN: 1/21/06, p. 42). Another possibility is that the creation of life took place under more amenable conditions and that these organisms, through evolution, gradually adapted as the conditions changed. […]
- Math
From Counting to Writing
Counting and numbers played a crucial role in the development of writing.
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Quark Colors
The Jefferson Lab (Thomas Jefferson National Accelerator Facility) in Newport News, Va., offers a six-page coloring book devoted to particle physics and quarks. Use a flash plug-in or download a copy to color the pages and learn about the fundamental particles of matter. Go to: http://education.jlab.org/coloringbook/index.html
- Humans
From the March 7, 1936, issue
Canadian caves, television field tests, and violin makers' secrets.
- Earth
Vesuvius’ Shadow: A major volcanic blast could threaten Naples
When Italy's Mount Vesuvius begins to rumble again, nearby Naples may be in danger.
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Fit Moms, Brainier Babies: Exercising mothers provide neurological benefits
Offspring of mice that jogged each day during pregnancy may have a mental advantage over pups of sedentary moms.
- Health & Medicine
Ear Protection: Combo vaccine prevents some infections
A vaccine that triggers immunity against two common bacteria can prevent many ear infections in babies.
- Earth
Crater in the sand
Researchers analyzing satellite images of the Sahara Desert have discovered the region's largest impact crater.
- Tech
Meddling with Metal: Novel nanocontrol yields chromium rival
A new, nontoxic alloy that might reduce use of toxic chromium springs from a novel way to manipulate crystalline metal structures via precise control of their atomic composition.
- Anthropology
Polynesian Latecomers: Easter Islanders took fast track to culture
New radiocarbon dates from Easter Island indicate that the isolated Polynesian island was first colonized around A.D. 1200, up to 800 years later than had previously been thought.
- Health & Medicine
Got Data? Consuming calcium, dairy doesn’t keep off weight
Dairy products and other calcium-containing foods don't prevent weight gain, according to a 12-year study of middle-aged men.
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19652
In your article you report, “Every 4 years, each volunteer completed a questionnaire about his body weight and dietary habits.” Any dieter knows that it is next to impossible to remember what one has eaten 4 days ago. Any more details on how the data was acquired and validated? Ivan MannHoover, Ala. Volunteers were asked […]
