Daily non-political popular news in brief.
Researchers put the bite on mosquitoes
01-16-2008 · EurekAlert!Few things sting like a mosquito's bite -- especially if that bite carries a disease such as malaria, yellow fever, Dengue fever or West Nile virus. But if a team of University of Arizona researchers has its way, one day mosquito bites may prove deadly to the mosquitoes.
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- Mayo researcher discovers target site for developing mosquito pesticides
12-20-2006 · EurekAlert!
A Mayo Clinic researcher has discovered a target site within malaria-carrying mosquitoes that could be used to develop pesticides that are toxic to the Anopheles gambiae mosquito and other mosquito species.
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- The bee that would be queen
06-05-2007 · EurekAlert!
A team of researchers from Arizona State University, Purdue University and the Norwegian University of Life Sciences has discovered evidence that honeybees have adopted a phylogenetically old molecular cascade -- TOR (target of rapamycin), linked to nutrient and energy sensing -- and put it to use in caste development. They found that queen-fate can be blocked, and that workers develop, when TOR activity is reduced during development.
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- Dominant cholesterol-metabolism ideas challenged by new research
08-15-2007 · EurekAlert!
A team of researchers investigating cholesterol and lipid transport has performed experiments that cast serious doubt on the dominant hypothesis of how the body rids its cells of "bad" cholesterol and increases "good" cholesterol. Cholesterol metabolism is an area of intense inquiry because high levels of LDL cholesterol or total cholesterol put about half of all Americans at significant risk of heart disease.
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- Magnetism loses under pressure
01-29-2008 · EurekAlert!
Scientists discovered that the magnetic strength of magnetite -- the most abundant magnetic mineral on Earth -- declines drastically when put under pressure. Researchers from the Carnegie Institution's Geophysical Laboratory, with colleagues at the Advanced Photon Source of Argonne National Laboratory, have found that when magnetite is subjected to pressures between 120,000 and 160,000 times atmospheric pressure its magnetic strength declines by half. They discovered that the change is due to what is called electron spin pairing.
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- Lupus gene finding prompts call for more DNA samples
12-02-2007 · EurekAlert!
Wellcome Trust researchers have identified a key gene involved in the disease lupus, which affects around 50,000 people in the UK, mostly women. The lead researcher behind the study has called for more patients to volunteer DNA samples to enable them to further study the underlying causes of the disease.
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- Stanford researchers say living corals thousands of years old hold clues to past climate changes
02-14-2008 · EurekAlert!
Stanford researcher Brendan Roark to talk at AAAS meeting about discovery that deep-water corals off Hawaii are as old as 4,000 years. Coral may hold clues to ocean and climate changes of past centuries, and must be protected from devastation from fishing ships and coral harvesters.
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- Resistance and genetic sensitivity to sleeping sickness
10-13-2006 · EurekAlert!
Human African trypanosomiasis, transmitted by tse-tse fly bite, is a mainly rural disease and is strongly linked to people's living patterns and conditions, proximity to water-courses, in particular. Although environmental and behavioural risk factors are important in the epidemiology of human African trypanosomiasis, individual sensitivity to the disease appears to exist, according to experimental and immunological studies. IRD researchers investigated the role of human genetic diversity in the resistance or sensitivity to parasitic diseases, including sleeping sickness.
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- Researchers 'sniff out' emissions from feedyards
03-07-2007 · EurekAlert!
Setting up an air quality trailer in the midst of cattlepens at a feedlot will help measure gaseous emissions, said a TexasAgricultural Experiment Station researcher. Dr. Ken Casey, Experiment Station air quality engineer in Amarillo,wants to measure ammonia and hydrogen sulfide emissions from feedyards. His research team is setting up two climate-controlled instrumenttrailers in different locations at a feedyard. The trailers will beequipped with two continuous emissions analyzers.
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- NASA researchers find satellite data can warn of famine
08-03-2007 · EurekAlert!
A NASA researcher has developed a new method to anticipate food shortages brought on by drought. Molly Brown of NASA's Goddard Space Flight Center in Greenbelt, Md., and her colleagues created a model using data from satellite remote sensing of crop growth and food prices.
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- Testing delays cause severe AIDS complications, Einstein researchers find
11-02-2007 · EurekAlert!
Despite the availability of life-saving antiretroviral treatment, people infected with HIV continue to die and suffer from complications of AIDS, mainly due to delayed diagnosis and initiation of treatment. A researcher at the Albert Einstein College of Medicine of Yeshiva University and colleagues at Yale University have shed light on why this problem persists. They report their findings in the November issue of the journal Medical Care.
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