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April 29, 2008 Science News
How to stop regaining weight? That's the real question
The key focus of the Diogenes study is to identify the most effective diet to help adults stop regaining weight after initial successful weight loss.
The key focus of the Diogenes study is to identify the most effective diet to help adults stop regaining weight after initial successful weight loss.
Are nanobots on their way?
The first real steps towards building a microscopic device that can construct nano machines have been taken by US researchers. Writing in the peer-reviewed publication, International Journal of Nanomanufacturing from Inderscience Publishers, researchers describe an early prototype for a nanoassembler.
The first real steps towards building a microscopic device that can construct nano machines have been taken by US researchers. Writing in the peer-reviewed publication, International Journal of Nanomanufacturing from Inderscience Publishers, researchers describe an early prototype for a nanoassembler.
'New' ancient Antarctic sediment reveals climate change history
Recent additions to the premier collection of Southern Ocean sediment cores at Florida State University's Antarctic Marine Geology Research Facility will give international scientists a close-up look at fluctuations that occurred in Antarctica's ice sheet and marine and terrestrial life as the climate cooled considerably between 20 and 14 million years ago.
Recent additions to the premier collection of Southern Ocean sediment cores at Florida State University's Antarctic Marine Geology Research Facility will give international scientists a close-up look at fluctuations that occurred in Antarctica's ice sheet and marine and terrestrial life as the climate cooled considerably between 20 and 14 million years ago.
Osteoporosis drug Fosamax linked to heart problem
omen who have used Fosamax are nearly twice as likely to develop the most common kind of chronically irregular heartbeat (atrial fibrillation) than are those who have never used it, according to research from Group Health and the University of Washington published in the April 28 Archives of Internal Medicine.
omen who have used Fosamax are nearly twice as likely to develop the most common kind of chronically irregular heartbeat (atrial fibrillation) than are those who have never used it, according to research from Group Health and the University of Washington published in the April 28 Archives of Internal Medicine.
Spinal cord injury research hampered by animal models, says new study
Research on traumatic spinal cord injuries is hampered by a reliance on animal experiments that don't accurately predict human outcomes, says a new study in the upcoming edition of the peer-reviewed journal Reviews in the Neurosciences. The review was written by scientists with the Physicians Committee for Responsible Medicine.
Research on traumatic spinal cord injuries is hampered by a reliance on animal experiments that don't accurately predict human outcomes, says a new study in the upcoming edition of the peer-reviewed journal Reviews in the Neurosciences. The review was written by scientists with the Physicians Committee for Responsible Medicine.
Women's biological clock revealed: Hormone may predict age at menopause
Age at menopause may now be predicted more realistically according to a new study accepted for publication in the Journal of Clinical Endocrinology & Metabolism (JCEM).
Age at menopause may now be predicted more realistically according to a new study accepted for publication in the Journal of Clinical Endocrinology & Metabolism (JCEM).
Brookhaven Scientists Explore Brain's Reaction to Potent Hallucinogen
Brain-imaging studies performed in animals at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory provide researchers with clues about why an increasingly popular recreational drug that causes hallucinations and motor-function impairment in humans is abused.
Brain-imaging studies performed in animals at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory provide researchers with clues about why an increasingly popular recreational drug that causes hallucinations and motor-function impairment in humans is abused.
'Sticky nanotubes' hold key to future technologies
Researchers at Purdue University are the first to precisely measure the forces required to peel tiny nanotubes off of other materials, opening up the possibility of creating standards for nano-manufacturing and harnessing a gecko's ability to walk up walls.
Researchers at Purdue University are the first to precisely measure the forces required to peel tiny nanotubes off of other materials, opening up the possibility of creating standards for nano-manufacturing and harnessing a gecko's ability to walk up walls.
Cell-Based Therapy Shows Promise in Patients with Parkinson's Disease
A novel cell therapy using retinal pigment epithelial (RPE) cells attached to tiny gelatin bead microcarriers implanted in the brain can improve the symptoms of patients with moderate to advanced Parkinson's disease (PD).
A novel cell therapy using retinal pigment epithelial (RPE) cells attached to tiny gelatin bead microcarriers implanted in the brain can improve the symptoms of patients with moderate to advanced Parkinson's disease (PD).
Ancient Sunflower Fuels Debate About Agriculture in the Americas
"People sometimes ask "What is the big deal about sunflower?" says David Lentz, professor of biological sciences and executive director of the Center for Field Studies in the McMicken College of Arts & Sciences at the University of Cincinnati (UC). Lentz worked with Mary Pohl from Florida State University, José Luis Alvarado from Mexico's Institute of Anthropology and History, and Robert Bye from the Independent National University of Mexico.
"People sometimes ask "What is the big deal about sunflower?" says David Lentz, professor of biological sciences and executive director of the Center for Field Studies in the McMicken College of Arts & Sciences at the University of Cincinnati (UC). Lentz worked with Mary Pohl from Florida State University, José Luis Alvarado from Mexico's Institute of Anthropology and History, and Robert Bye from the Independent National University of Mexico.
Clumps of red and white blood cells may contribute to sickle cell disease
It's long been known that patients with sickle cell disease have malformed, "sickle-shaped" red blood cells - which are normally disc-shaped - that can cause sudden painful episodes when they block small blood vessels.
It's long been known that patients with sickle cell disease have malformed, "sickle-shaped" red blood cells - which are normally disc-shaped - that can cause sudden painful episodes when they block small blood vessels.
Language skills develop at 6, say researchers
Psychologists at the University of Liverpool have discovered that children as young as six are as adept at recognising possible verbs and their past tenses as adults.
Psychologists at the University of Liverpool have discovered that children as young as six are as adept at recognising possible verbs and their past tenses as adults.
Investigators unveil new drug discovery tool for Alzheimer's disease
An article published in the April issue of the Journal of Alzheimer's Disease presents a detailed characterization of a new drug discovery tool for Alzheimer's disease.
An article published in the April issue of the Journal of Alzheimer's Disease presents a detailed characterization of a new drug discovery tool for Alzheimer's disease.
Nanoengineered barrier invented to protect plastic electronics from water degradation
A breakthrough barrier technology from Singapore A*STAR's Institute of Materials Research and Engineering (IMRE) protects sensitive devices like organic light emitting diodes (OLEDs) and solar cells from moisture 1000 times more effectively than any other technology available in the market, opening up new opportunities for the up-and-coming plastic electronics sector.
A breakthrough barrier technology from Singapore A*STAR's Institute of Materials Research and Engineering (IMRE) protects sensitive devices like organic light emitting diodes (OLEDs) and solar cells from moisture 1000 times more effectively than any other technology available in the market, opening up new opportunities for the up-and-coming plastic electronics sector.
Restaurant inspections -- public perceptions vs. reality
oodborne diseases cause an estimated 76 million illnesses in the U.S. each year with about half associated with restaurant meals. More than 70 billion meals per year are purchased in restaurants in the U.S., accounting for 47% of total food expenditure.
oodborne diseases cause an estimated 76 million illnesses in the U.S. each year with about half associated with restaurant meals. More than 70 billion meals per year are purchased in restaurants in the U.S., accounting for 47% of total food expenditure.
Researchers light up lungs to help diagnose disease
Researchers at the University of Sheffield have developed innovative technology which illuminates a person's lungs and helps clinicians identify if they are functioning correctly. The new technology could result in earlier diagnosis of emphysema and smoking related damage, as well as other lung conditions and diseases.
Researchers at the University of Sheffield have developed innovative technology which illuminates a person's lungs and helps clinicians identify if they are functioning correctly. The new technology could result in earlier diagnosis of emphysema and smoking related damage, as well as other lung conditions and diseases.
Exercise related to lower heart disease risk in overweight women
The risk of heart disease in women associated with being overweight or obese is reduced but not eliminated by higher levels of physical activity, according to a report in the April 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
The risk of heart disease in women associated with being overweight or obese is reduced but not eliminated by higher levels of physical activity, according to a report in the April 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
Scientists Find Stem Cells For the First Time in the Pituitary
A team of researchers led by scientists at Cold Spring Harbor Laboratory have for the first time identified stem cells that allow the pituitary glands of mice to grow even after birth.
A team of researchers led by scientists at Cold Spring Harbor Laboratory have for the first time identified stem cells that allow the pituitary glands of mice to grow even after birth.
Copper nanowires grown by new process create long-lasting displays
A new low-temperature, catalyst-free technique for growing copper nanowires has been developed by researchers at the University of Illinois. The copper nanowires could serve as interconnects in electronic device fabrication and as electron emitters in a television-like, very thin flat-panel display known as a field-emission display.
A new low-temperature, catalyst-free technique for growing copper nanowires has been developed by researchers at the University of Illinois. The copper nanowires could serve as interconnects in electronic device fabrication and as electron emitters in a television-like, very thin flat-panel display known as a field-emission display.
Biomarkers identified for idiopathic pulmonary fibrosis
The first evidence of a distinctive protein signature that could help to transform the diagnosis and improve the monitoring of the devastating lung disease idiopathic pulmonary fibrosis (IPF) is being reported by University of Pittsburgh School of Medicine researchers in this month's edition of PLoS Medicine, an open-access journal of the Public Library of Science.
The first evidence of a distinctive protein signature that could help to transform the diagnosis and improve the monitoring of the devastating lung disease idiopathic pulmonary fibrosis (IPF) is being reported by University of Pittsburgh School of Medicine researchers in this month's edition of PLoS Medicine, an open-access journal of the Public Library of Science.
Leaving our mark
Whether you live in a cardboard box or a luxurious mansion, whether you subsist on homegrown vegetables or wolf down imported steaks, whether you're a jet-setter or a sedentary retiree, anyone who lives in the U.S. contributes more than twice as much greenhouse gas to the atmosphere as the global average, an MIT class has estimated.
Whether you live in a cardboard box or a luxurious mansion, whether you subsist on homegrown vegetables or wolf down imported steaks, whether you're a jet-setter or a sedentary retiree, anyone who lives in the U.S. contributes more than twice as much greenhouse gas to the atmosphere as the global average, an MIT class has estimated.
Genes for common heart condition and kidney problem identified
A gene that can cause the heart to become enlarged, greatly increasing the risk of heart attacks and heart failure, is identified today in a new study.
A gene that can cause the heart to become enlarged, greatly increasing the risk of heart attacks and heart failure, is identified today in a new study.
Is Happiness Having What You Want, Wanting What You Have, or Both?
Some argue that happiness is not having what you want, but wanting what you have. This maxim sounds reasonable enough, but can it be tested, and if so, is it true?
Some argue that happiness is not having what you want, but wanting what you have. This maxim sounds reasonable enough, but can it be tested, and if so, is it true?
Entekhabi will lead science team for NASA satellite mission to map Earth's water cycle
MIT Professor Dara Entekhabi will lead the science team designing a NASA satellite mission to make global soil moisture and freeze/thaw measurements, data essential to the accuracy of weather forecasts and predictions of global carbon cycle and climate.
MIT Professor Dara Entekhabi will lead the science team designing a NASA satellite mission to make global soil moisture and freeze/thaw measurements, data essential to the accuracy of weather forecasts and predictions of global carbon cycle and climate.
Predicting breast cancer patient outcome: MUHC researchers identify new genes
Not a day goes by without a new story about the environment. Although we often consider the environment on a global scale, cells in our body also have to contend with environmental factors.
Not a day goes by without a new story about the environment. Although we often consider the environment on a global scale, cells in our body also have to contend with environmental factors.
Thyrotropin levels may be associated with coronary heart disease mortality in women
Women with increasing levels of thyrotropin within the normal range appear to have a higher risk of fatal coronary heart disease, according to a report in the April 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
Women with increasing levels of thyrotropin within the normal range appear to have a higher risk of fatal coronary heart disease, according to a report in the April 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
Involving partners of pregnant women in Africa to improve AIDS prevention
According to the World Health Organization, nearly three-quarters of the world's 40 million human immunodeficiency virus (HIV)-infected people are living in Sub-Saharan Africa.
According to the World Health Organization, nearly three-quarters of the world's 40 million human immunodeficiency virus (HIV)-infected people are living in Sub-Saharan Africa.
Transitioning patients with pediatric disease to adulthood
Growing pains can mean one thing for a typical adolescent and quite another to an older teen with cerebral palsy attempting independence in an adult world. A unique program, the Indiana University School of Medicine Center for Youth and Adults with Conditions of Childhood (CYACC) is helping these youths spread their wings and live more independently.
Growing pains can mean one thing for a typical adolescent and quite another to an older teen with cerebral palsy attempting independence in an adult world. A unique program, the Indiana University School of Medicine Center for Youth and Adults with Conditions of Childhood (CYACC) is helping these youths spread their wings and live more independently.
Scientists reveal evolutionary intricacies of Rickettsia pathogens
Scientists from the Virginia Bioinformatics Institute (VBI) at Virginia Tech and the University of Maryland School of Medicine have unveiled some of the evolutionary intricacies of rickettsial pathogens by analyzing over a decade's worth of genomic data.
Scientists from the Virginia Bioinformatics Institute (VBI) at Virginia Tech and the University of Maryland School of Medicine have unveiled some of the evolutionary intricacies of rickettsial pathogens by analyzing over a decade's worth of genomic data.
Hyperviscous fluids: Better treatment for severe blood loss
Intravenous administration of isotonic fluids is the standard emergency treatment in the U.S. for patients with severe blood loss, but UC San Diego bioengineering researchers have reported improved resuscitation with a radically different approach.
Intravenous administration of isotonic fluids is the standard emergency treatment in the U.S. for patients with severe blood loss, but UC San Diego bioengineering researchers have reported improved resuscitation with a radically different approach.
Cause and Affect: Emotions can be unconsciously and subliminally evoked
Most people agree that emotions can be caused by a specific event and that the person experiencing it is aware of the cause, such as a child's excitement at the sound of an ice cream truck. But recent research suggests emotions also can be unconsciously evoked and manipulated.
Most people agree that emotions can be caused by a specific event and that the person experiencing it is aware of the cause, such as a child's excitement at the sound of an ice cream truck. But recent research suggests emotions also can be unconsciously evoked and manipulated.
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