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Mice use specialized neurons to detect carbon dioxide in the air
08-16-2007 · EurekAlert!Mice have a way of detecting carbon dioxide, and new research from Rockefeller University shows that a special set of olfactory neurons is involved, a finding that may have implications for how predicted increases in atmospheric carbon dioxide may affect animal behavior.
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Keywords: mice, specialized, neurons, detect, carbon, dioxide, air, neuron
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- Smell experience during critical period alters brain
12-05-2007 · EurekAlert!
Genes may provide the land, but experience defines the landscape. Now, researchers at Rockefeller University show that during the first few days of life, chronic exposure to carbon dioxide rather than air alters the activity of projection neurons and interneurons in the fly brain -- research that is first to show that the olfactory system is plastic.
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- Follow your nose: Houston air quality study finds a few surprises
08-20-2007 · EurekAlert!
As a frequent addition to the list of America's most polluted cities, Houston is no stranger to having more than just oxygen and carbon dioxide in the air. But a University of Houston study found a few surprising results in the air Houstonians breathe day in, day out: mercury and formaldehyde. This is the first time mercury has been measured in Houston's air, and scientists are still trying to figure out what it's coming from.
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- Tropical forests -- Earth's air conditioner
04-09-2007 · EurekAlert!
Planting and protecting trees -- which trap and absorb carbon dioxide as they grow -- can help to remove carbon dioxide from the atmosphere. But a new study suggests that, as a way to fight global warming, the effectiveness of this strategy depends heavily on where these trees are planted. In particular, tropical forests are very efficient at keeping the Earth at a happy, healthy temperature.
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- Identification of carbon dioxide receptors in insects may help fight infectious disease
12-13-2006 · EurekAlert!
Mosquitoes use the carbon dioxide people exhale as a way to identify a potential food source. But when they bite, they can pass on a number of dangerous infectious diseases, such as malaria and yellow fever. Now, reporting in Nature, Leslie Vosshall's laboratory at Rockefeller University has identified the two molecular receptors in fruit flies that help these insects detect carbon dioxide. The findings could prove to be important against the fight against global infectious disease.
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- Insight into dopamine role suggests new treatment pathway for Parkinson's
10-18-2006 · EurekAlert!
Dopamine (DA) not only functions as a neurotransmitter, a chemical messenger between neurons by which one neuron triggers another, researchers have found. It also appears to coordinate the activity of a particular neural circuitry. In studies with mice, they found evidence that the dopamine deficiency in Parkinson's and other related movement disorders may cause loss of muscle control and paralysis due to disruption of coordinated activity in this circuit.
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- Ancient hot spell is linked to copious carbon dioxide
10-14-2006 · Science News Online
A mineral that formed in some lakes during a lengthy and particularly warm period in Earth's past suggests that atmospheric concentrations of carbon dioxide were at that time at least triple those found in today's air.
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- AGU Journal highlights -- 21 March 2007
03-21-2007 · EurekAlert!
In this issue: Solar blast from the past dwarfed modern ozone destruction; Deep-diving West Coast plate may have triggered massive central U.S. quake; Dry winters in north Mediterranean stoke hot European summers; Calculating a sharper view of the Moon's geochemistry; Lake Superior summer temperatures rising faster than regional air temperatures; Whatever the warming, ocean acidifies from carbon-dioxide buildup; Mineral physics illuminates lower mantle hypothesis.
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- Flies prefer fizzy drinks
08-29-2007 · EurekAlert!
Fruit flies like a splash of soda water in their drinks, according to researchers at the University of California, Berkeley. Kristin Scott and her colleagues discovered that the insect has specialized taste cells for carbonated water. This probably encourage flies to binge on food with growing microorganisms, since yeast and bacteria both produce carbon dioxide when they feast.
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- AGU Journal highlights -- March 21, 2007
03-21-2007 · EurekAlert!
In this issue: Solar blast from the past dwarfed modern ozone destruction; Deep-diving West Coast plate may have triggered massive central US quake; Dry winters in north Mediterranean stoke hot European summers; Calculating a sharper view of the Moon's geochemistry; Lake Superior summer temperatures rising faster than regional air temperatures; Whatever the warming, ocean acidifies from carbon-dioxide buildup; and Mineral physics illuminates lower mantle hypothesis.
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- Mother mice more attuned to pup sounds than others
06-11-2007 · EurekAlert!
Researchers have shown for the first time that the behavioral context in which communication sounds are heard affects the brain's ability to detect, discriminate and ultimately respond to them. Specifically, the researchers found that the auditory neurons of female mice that had given birth were better at detecting and discriminating vocalizations from mouse pups than the auditory neurons in virgin females.
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