Uncategorized
- Health & Medicine
Mouth cancer data faked, journal says
A study by a Norwegian researcher claiming that anti-inflammatory drugs reduce the risk of mouth cancer in smokers was based on faked data.
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Finding a face place in monkeys’ brains
Monkeys recognize a wide variety of faces thanks to a brain area that specializes in face perception.
- Tech
Virus has the Midas touch
Researchers have recruited a stringlike virus to carry nanoscale loads of gold that could serve as imaging agents in cancer diagnosis.
- Humans
Letters from the February 11, 2006, issue of Science News
Preventive measure? Regarding “Rare but Fatal Outcome: Four deaths may trace to abortion pill” (SN: 12/3/05, p. 358), would it be possible for an antibiotic to be included with the RU-486 package to prevent a Clostridium sordellii infection? Like millions of other people, I have to take an antibiotic prior to dental procedures to prevent […]
- Earth
Prions’ dirty little secret
The malformed proteins responsible for mad cow disease bind tightly to clay, a finding that points to farm soil as a potential long-term reservoir for these infective agents.
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Depression’s rebirth in pregnant women
Expectant mothers who temporarily stop taking their antidepressant medication stand a good chance of sinking back into depression while pregnant.
- Health & Medicine
Newborn head size linked to cancer risk
Healthy newborns with big heads face an increased risk of brain cancer.
- Animals
Hawk skin sends UV signal
The patch of skin above a hawk's beak looks orange-yellow to us, but to another hawk, it may broadcast ultraviolet sex appeal.
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19643
Some of the descriptions about confusion of self contained in your article were very reminiscent of the confusion I often sense in dreams. I even recognize in some dreams the sensation described in the article about various body parts not being part of “me.” I wonder if this aspect of normal (I assume) dreaming has […]
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Self-Serve Brains
New brain-imaging studies and investigations of certain types of brain damage suggest that the right hemisphere typically coordinates one's sense of being a self, with a body and a set of life experiences distinct from those of other people.
- Astronomy
Blasts from the Past
Gamma-ray bursts may soon surpass quasars and galaxies as the most distant known objects in the universe and are likely to provide a new window on the early universe.
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19642
Why is it that visible light is shifted to lower frequencies but gamma rays aren’t? Shouldn’t they have become X rays after all that distance? Stephen WoodOrlando, Fla. All wavelengths are redshifted. That means that high-energy gamma rays beyond a detector’s energy range would get shifted into the detectable range by cosmic expansion, while slower-energy […]
