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The latest science news stories, science current events, scientific research and discoveries in earth science, life science, space science, health, medicine, environmental issues, nanotechnology, climate change, weather and technology from research facilities, universities, government agencies and medical centers.
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Lack of sleep could be more dangerous for women than men
July 02, 2009 | University of Warwick
Women who get less than the recommended eight hours sleep a night are at higher risk of heart disease and heart-related problems than men with the same sleeping patterns.
July 02, 2009 | University of Warwick
Women who get less than the recommended eight hours sleep a night are at higher risk of heart disease and heart-related problems than men with the same sleeping patterns.
New clue into how brain stem cells develop into cells which repair damaged tissue
July 02, 2009 | University of Cambridge
The joint research, funded by the National Multiple Sclerosis Society and the UK MS Society as well as the National Institutes of Health and Howard Hughes Medical Institute, was conducted by scientists at the University of California San Francisco (UCSF) and University of Cambridge and was published today (01 July) in the journal Genes and Development.
July 02, 2009 | University of Cambridge
The joint research, funded by the National Multiple Sclerosis Society and the UK MS Society as well as the National Institutes of Health and Howard Hughes Medical Institute, was conducted by scientists at the University of California San Francisco (UCSF) and University of Cambridge and was published today (01 July) in the journal Genes and Development.
Earth's most prominent rainfall feature creeping northward
July 02, 2009 | University of Washington
The rain band near the equator that determines the supply of freshwater to nearly a billion people throughout the tropics and subtropics has been creeping north for more than 300 years.
July 02, 2009 | University of Washington
The rain band near the equator that determines the supply of freshwater to nearly a billion people throughout the tropics and subtropics has been creeping north for more than 300 years.
Genetically engineered mice yield clues to 'knocking out' cancer
July 02, 2009 | National Institute of Standards and Technology (NIST)
Deleting two genes in mice responsible for repairing DNA strands damaged by oxidation leads to several types of tumors, providing additional evidence that such stress contributes to the development of cancer.
July 02, 2009 | National Institute of Standards and Technology (NIST)
Deleting two genes in mice responsible for repairing DNA strands damaged by oxidation leads to several types of tumors, providing additional evidence that such stress contributes to the development of cancer.
UCLA collaboration identifies immune system link to schizophrenia
July 02, 2009 | University of California - Los Angeles
Schizophrenia is a devastating mental disease, thought to be caused by the interaction of both genetic and environmental factors.
July 02, 2009 | University of California - Los Angeles
Schizophrenia is a devastating mental disease, thought to be caused by the interaction of both genetic and environmental factors.
ADA releases updated position paper on vegetarian diets
July 02, 2009 | American Dietetic Association
The American Dietetic Association has released an updated position paper on vegetarian diets that concludes such diets, if well-planned, are healthful and nutritious for adults, infants, children and adolescents and can help prevent and treat chronic diseases including heart disease, cancer, obesity and diabetes.
July 02, 2009 | American Dietetic Association
The American Dietetic Association has released an updated position paper on vegetarian diets that concludes such diets, if well-planned, are healthful and nutritious for adults, infants, children and adolescents and can help prevent and treat chronic diseases including heart disease, cancer, obesity and diabetes.
Desert rhubarb -- a self-irrigating plant
July 02, 2009 | University of Haifa
Researchers from the Department of Science Education-Biology at the University of Haifa-Oranim have managed to make out the "self-irrigating" mechanism of the desert rhubarb, which enables it to harvest 16 times the amount of water than otherwise expected for a plant in this region based on the quantities of rain in the desert.
July 02, 2009 | University of Haifa
Researchers from the Department of Science Education-Biology at the University of Haifa-Oranim have managed to make out the "self-irrigating" mechanism of the desert rhubarb, which enables it to harvest 16 times the amount of water than otherwise expected for a plant in this region based on the quantities of rain in the desert.
NIST develops novel ion trap for sensing force and light
July 02, 2009 | National Institute of Standards and Technology (NIST)
Miniature devices for trapping ions (electrically charged atoms) are common components in atomic clocks and quantum computing research. Now, a novel ion trap geometry demonstrated at the National Institute of Standards and Technology (NIST) could usher in a new generation of applications because the device holds promise as a stylus for sensing very small forces or as an interface for efficient transfer of individual light particles for quantum communications.
July 02, 2009 | National Institute of Standards and Technology (NIST)
Miniature devices for trapping ions (electrically charged atoms) are common components in atomic clocks and quantum computing research. Now, a novel ion trap geometry demonstrated at the National Institute of Standards and Technology (NIST) could usher in a new generation of applications because the device holds promise as a stylus for sensing very small forces or as an interface for efficient transfer of individual light particles for quantum communications.
Increasing age of mothers in Spain leads to rise in mortality rates
July 02, 2009 | FECYT - Spanish Foundation for Science and Technology
A new study examining the evolution of maternal mortality rates in Spain since 1996 shows a 17% increase in deaths. This trend is linked to the widespread increase in maternal age. The highest death rates are among foreign women and those who live in the province of Malaga.
July 02, 2009 | FECYT - Spanish Foundation for Science and Technology
A new study examining the evolution of maternal mortality rates in Spain since 1996 shows a 17% increase in deaths. This trend is linked to the widespread increase in maternal age. The highest death rates are among foreign women and those who live in the province of Malaga.
Both good/bad movie characters who smoke influence teens to do the same
July 02, 2009 | Dartmouth College
Dartmouth researchers have determined that movie characters who smoke, regardless of whether they are "good guys" or "bad guys," influence teens to try smoking.
July 02, 2009 | Dartmouth College
Dartmouth researchers have determined that movie characters who smoke, regardless of whether they are "good guys" or "bad guys," influence teens to try smoking.
U finds treatment that significantly slows progression of eye damage in persons with type 1 diabetes
July 02, 2009 | University of Minnesota
University of Minnesota Medical School researcher Michael Mauer, M.D., has found a treatment that significantly slows the progression of eye injury in people with type 1 diabetes, a common complication caused by this disease.
July 02, 2009 | University of Minnesota
University of Minnesota Medical School researcher Michael Mauer, M.D., has found a treatment that significantly slows the progression of eye injury in people with type 1 diabetes, a common complication caused by this disease.
Nanotechnology may increase longevity of dental fillings
July 02, 2009 | Medical College of Georgia
Tooth-colored fillings may be more attractive than silver ones, but the bonds between the white filling and the tooth quickly age and degrade.
July 02, 2009 | Medical College of Georgia
Tooth-colored fillings may be more attractive than silver ones, but the bonds between the white filling and the tooth quickly age and degrade.
Researchers testing virus-gene therapy combination against melanoma
July 02, 2009 | University of California - San Diego
Researchers at the Moores UCSD Cancer Center are injecting a modified herpes virus into melanoma tumors, hoping to kill the cancer cells while also bolstering the body's immune defenses against the disease.
July 02, 2009 | University of California - San Diego
Researchers at the Moores UCSD Cancer Center are injecting a modified herpes virus into melanoma tumors, hoping to kill the cancer cells while also bolstering the body's immune defenses against the disease.
Predicting the return of prostate cancer: New Johns Hopkins study betters the odds of success
July 02, 2009 | Johns Hopkins Medical Institutions
Cancer experts at Johns Hopkins say a study tracking 774 prostate cancer patients for a median of eight years has shown that a three-way combination of measurements has the best chance yet of predicting disease metastasis.
July 02, 2009 | Johns Hopkins Medical Institutions
Cancer experts at Johns Hopkins say a study tracking 774 prostate cancer patients for a median of eight years has shown that a three-way combination of measurements has the best chance yet of predicting disease metastasis.
Researchers unite to distribute quantum keys
July 02, 2009 | Institute of Physics
Researchers from across Europe have united to build the largest quantum key distribution network ever built.
July 02, 2009 | Institute of Physics
Researchers from across Europe have united to build the largest quantum key distribution network ever built.
Newly appreciated membrane estrogen receptor important therapeutic target for breast cancer
July 02, 2009 | Lifespan
New research at Rhode Island Hospital has uncovered the biological effects of a novel membrane estrogen receptor, a finding that has potential implications for hormonal therapy for breast cancer.
July 02, 2009 | Lifespan
New research at Rhode Island Hospital has uncovered the biological effects of a novel membrane estrogen receptor, a finding that has potential implications for hormonal therapy for breast cancer.
Blood stem cell growth factor reverses memory decline in mice
July 02, 2009 | University of South Florida Health
A human growth factor that stimulates blood stem cells to proliferate in the bone marrow reverses memory impairment in mice genetically altered to develop Alzheimer's disease, researchers at the University of South Florida and James A. Haley Hospital found.
July 02, 2009 | University of South Florida Health
A human growth factor that stimulates blood stem cells to proliferate in the bone marrow reverses memory impairment in mice genetically altered to develop Alzheimer's disease, researchers at the University of South Florida and James A. Haley Hospital found.
Unexpectedly long-range effects in advanced magnetic devices
July 02, 2009 | National Institute of Standards and Technology (NIST)
A tiny grid pattern has led materials scientists at the National Institute of Standards and Technology (NIST) and the Institute of Solid State Physics in Russia to an unexpected finding-the surprisingly strong and long-range effects of certain electromagnetic nanostructures used in data storage.
July 02, 2009 | National Institute of Standards and Technology (NIST)
A tiny grid pattern has led materials scientists at the National Institute of Standards and Technology (NIST) and the Institute of Solid State Physics in Russia to an unexpected finding-the surprisingly strong and long-range effects of certain electromagnetic nanostructures used in data storage.
Study shows PET can measure effectiveness of novel breast cancer treatment
July 02, 2009 | Society of Nuclear Medicine
A new study published in the July issue of The Journal of Nuclear Medicine shows that positron emission tomography (PET) scans in mice can be used to determine whether a novel type of breast cancer treatment is working as intended.
July 02, 2009 | Society of Nuclear Medicine
A new study published in the July issue of The Journal of Nuclear Medicine shows that positron emission tomography (PET) scans in mice can be used to determine whether a novel type of breast cancer treatment is working as intended.
Lap-band weight-loss surgery can reverse metabolic syndrome in obese teens
July 02, 2009 | New York- Presbyterian Hospital/Columbia University Medical Center
A new study of obese adolescents has shown that laparoscopic gastric banding surgery -- the "Lap-Band" procedure -- not only helps them achieve significant weight loss but can also improve and even reverse metabolic syndrome, reducing their risk for cardiovascular disease and diabetes.
July 02, 2009 | New York- Presbyterian Hospital/Columbia University Medical Center
A new study of obese adolescents has shown that laparoscopic gastric banding surgery -- the "Lap-Band" procedure -- not only helps them achieve significant weight loss but can also improve and even reverse metabolic syndrome, reducing their risk for cardiovascular disease and diabetes.
Alzheimer's research yields potential drug target
July 02, 2009 | University of California - Santa Barbara
Scientists at UC Santa Barbara and several other institutions have found laboratory evidence that a cluster of peptides may be the toxic agent in Alzheimer's disease. Scientists say the discovery may lead to new drugs for the disease.
July 02, 2009 | University of California - Santa Barbara
Scientists at UC Santa Barbara and several other institutions have found laboratory evidence that a cluster of peptides may be the toxic agent in Alzheimer's disease. Scientists say the discovery may lead to new drugs for the disease.
Scientists 'rebuild' giant moa using ancient DNA
July 02, 2009 | The University of Adelaide
Scientists have performed the first DNA-based reconstruction of the giant extinct moa bird, using prehistoric feathers recovered from caves and rock shelters in New Zealand.
July 02, 2009 | The University of Adelaide
Scientists have performed the first DNA-based reconstruction of the giant extinct moa bird, using prehistoric feathers recovered from caves and rock shelters in New Zealand.
New science review examines multiple health benefits of dairy foods
July 02, 2009 | Edelman Public Relations
Food prices rose by 5.5 percent in the past year and are expected to increase up to an additional 4 percent in 2009.
July 02, 2009 | Edelman Public Relations
Food prices rose by 5.5 percent in the past year and are expected to increase up to an additional 4 percent in 2009.
Hormone treatment eases post-surgery distress in children
July 02, 2009 | University of California - Irvine
A scary unknown for many children, the prospect of surgery can cause intense preoperative anxiety.
July 02, 2009 | University of California - Irvine
A scary unknown for many children, the prospect of surgery can cause intense preoperative anxiety.
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