Uncategorized
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Sleep disorder tied to brain ills in kids
Researchers have linked a severe form of sleep apnea in children to brain irregularities that may contribute to learning problems.
- Health & Medicine
Herpes simplex viruses dip in prevalence
Two viruses that cause genital herpes decreased in prevalence in the United States during the past 2 decades.
- Health & Medicine
Old drug can stop clots as well as newer drug does
A decades-old form of the anticlotting drug heparin is as safe, as effective, and potentially as convenient to use as recent derivatives that are many times more expensive.
- Earth
Are pollutants shrinking polar bear gonads?
New research links persistent pollutants with reproductive impairment in polar bears.
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High-protein diets boost hunger-taming hormone
Eating protein appears to boost blood concentrations of a hormone recently found to restrict appetite.
- Physics
Radiant plasma may combat cavities
Dentists may someday disinfect teeth with a newly demonstrated, handheld stylus that exudes glowing plasma deadly to cavity-causing bacteria.
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Stem cells sense stiffness
Stem cells can sense the texture of whatever medium they're growing on and use this quality to guide their fate.
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- Humans
From the August 29, 1936, issue
Fighting forest fires with science, a young Milky Way, and atom-smashing cosmic rays.
- Ecosystems
Madagascar’s Fantastic Forests
Produced by WBUR in Boston to accompany a special program on Madagascar, this award-winning Web site offers a remarkably detailed look at life on this island, with a focus on the struggle to preserve Earth’s diversity of life. It includes photo galleries, audio clips, videos, maps, and much more. Go to: http://www.wbur.org/special/madagascar/
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Katrina’s Two-Sided Impact: Survey finds disorders, resilience after tragedy
In the year after surviving Hurricane Katrina, Gulf Coast residents experienced a surge in serious mental disorders combined with elements of personal growth and emotional resilience.
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I was sorry to learn Pluto did not qualify as a planet (“New Solar System? Twelve planets and counting,” SN: 8/19/06, p. 115, and this article). Pluto has a diameter comparable with the Earth’s moon. The size of our moon relative to Earth might cause any observer to consider Earth and its moon as double […]
