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July 29, 2008 Science Current Events
Snapshot of past climate reveals no ice in Antarctica millions of years ago
A snapshot of New Zealand's climate 40 million years ago reveals a greenhouse Earth, with warmer seas and little or no ice in Antarctica, according to research published this week in the journal Geology.
A snapshot of New Zealand's climate 40 million years ago reveals a greenhouse Earth, with warmer seas and little or no ice in Antarctica, according to research published this week in the journal Geology.
Erectile dysfunction drugs allowed more chemotherapy to reach brain tumors in laboratory study
In a study using laboratory animals, researchers found that medications commonly prescribed for erectile dysfunction opened a mechanism called the blood-brain tumor barrier and increased delivery of cancer-fighting drugs to malignant brain tumors.
In a study using laboratory animals, researchers found that medications commonly prescribed for erectile dysfunction opened a mechanism called the blood-brain tumor barrier and increased delivery of cancer-fighting drugs to malignant brain tumors.
Golden Scales: Nanoscale Mass Sensor from Berkeley Can Be Used to Weigh Individual Atoms and Molecules
There's a new "gold standard" in the sensitivity of weighing scales. Using the same technology with which they created the world's first fully functional nanotube radio, researchers with Berkeley Lab and the University of California (UC) at Berkeley have fashioned a nanoelectromechanical system (NEMS) that can function as a scale sensitive enough to measure the mass of a single atom of gold.
There's a new "gold standard" in the sensitivity of weighing scales. Using the same technology with which they created the world's first fully functional nanotube radio, researchers with Berkeley Lab and the University of California (UC) at Berkeley have fashioned a nanoelectromechanical system (NEMS) that can function as a scale sensitive enough to measure the mass of a single atom of gold.
Newly discovered monkey is threatened with extinction
Just three years after it was discovered, a new species of monkey is threatened with extinction according to the Wildlife Conservation Society, which recently published the first-ever census of the endangered primate. Known as the "kipunji," the large, forest-dwelling primate hovers at 1,117 individuals, according to a study released in the July issue of the journal Oryx.
Just three years after it was discovered, a new species of monkey is threatened with extinction according to the Wildlife Conservation Society, which recently published the first-ever census of the endangered primate. Known as the "kipunji," the large, forest-dwelling primate hovers at 1,117 individuals, according to a study released in the July issue of the journal Oryx.
Compound that helps rice grow reduces nerve, vascular damage from diabetes
You may want to soak your brown rice. Researchers have found that a compound that helps rice seed grow, springs back into action when brown rice is placed in water overnight before cooking, significantly reducing the nerve and vascular damage that often result from diabetes.
You may want to soak your brown rice. Researchers have found that a compound that helps rice seed grow, springs back into action when brown rice is placed in water overnight before cooking, significantly reducing the nerve and vascular damage that often result from diabetes.
Caltech bioengineers develop 'microscope on a chip'
Researchers at the California Institute of Technology have turned science fiction into reality with their development of a super-compact high-resolution microscope, small enough to fit on a finger tip.
Researchers at the California Institute of Technology have turned science fiction into reality with their development of a super-compact high-resolution microscope, small enough to fit on a finger tip.
Birdsong not just for the birds
Computer scientists from the University of Bonn, in conjunction with the birdsong archives of Berlin's Humboldt University, have developed a kind of 'Big Brother' for birds. This has nothing to do with entertainment, but a lot to do with the protection of nature.
Computer scientists from the University of Bonn, in conjunction with the birdsong archives of Berlin's Humboldt University, have developed a kind of 'Big Brother' for birds. This has nothing to do with entertainment, but a lot to do with the protection of nature.
NewYork-Presbyterian/Columbia leads research into robotic surgery for kidney cancer
Clinical research at NewYork-Presbyterian Hospital/Columbia University Medical Center is helping bring the advantages of robotic surgery, including reduced pain and quicker recovery, to kidney cancer patients.
Clinical research at NewYork-Presbyterian Hospital/Columbia University Medical Center is helping bring the advantages of robotic surgery, including reduced pain and quicker recovery, to kidney cancer patients.
UT Knoxville professor finds unexpected key to flowering plants' diversity
What began with an off-the-cuff curiosity eventually led Joe Williams to hang from the limbs of a tree 80 feet above the soil of northeastern Australia.
What began with an off-the-cuff curiosity eventually led Joe Williams to hang from the limbs of a tree 80 feet above the soil of northeastern Australia.
Study examines prevalence of hearing loss in the US
Hearing loss may be more prevalent in American adults than previously reported, according to a study in the July 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
Hearing loss may be more prevalent in American adults than previously reported, according to a study in the July 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
Protein plays Jekyll and Hyde role in Lou Gehrig's disease
Amyotrophic lateral sclerosis (ALS), more commonly known as Lou Gehrig's disease, is a fatal neurodegenerative disease caused by the death of motor neurons in the brain and spinal cord that control muscle movements from walking and swallowing to breathing. In a groundbreaking study this week in PLoS Biology, Brandeis and Harvard Medical School scientists report key findings about the cause and occurrence of the familial form of ALS.
Amyotrophic lateral sclerosis (ALS), more commonly known as Lou Gehrig's disease, is a fatal neurodegenerative disease caused by the death of motor neurons in the brain and spinal cord that control muscle movements from walking and swallowing to breathing. In a groundbreaking study this week in PLoS Biology, Brandeis and Harvard Medical School scientists report key findings about the cause and occurrence of the familial form of ALS.
Study Suggests 86 Percent of Americans Could be Overweight or Obese by 2030
Most adults in the U.S. will be overweight or obese by 2030, with related health care spending projected to be as much as $956.9 billion, according to researchers at the Johns Hopkins Bloomberg School of Public Health, the Agency for Healthcare Research and Quality and the University of Pennsylvania School of Medicine. Their results are published in the July 2008 online issue of Obesity.
Most adults in the U.S. will be overweight or obese by 2030, with related health care spending projected to be as much as $956.9 billion, according to researchers at the Johns Hopkins Bloomberg School of Public Health, the Agency for Healthcare Research and Quality and the University of Pennsylvania School of Medicine. Their results are published in the July 2008 online issue of Obesity.
Fungus Foot Baths Could Save Bees
One of the biggest world wide threats to honey bees, the varroa mite, could soon be about to meet its nemesis. Researchers at the University of Warwick are examining naturally occurring fungi that kill the varroa mite. They are also exploring a range of ways to deliver the killer fungus throughout the hives from bee fungal foot baths to powder sprays.
One of the biggest world wide threats to honey bees, the varroa mite, could soon be about to meet its nemesis. Researchers at the University of Warwick are examining naturally occurring fungi that kill the varroa mite. They are also exploring a range of ways to deliver the killer fungus throughout the hives from bee fungal foot baths to powder sprays.
A hormone that enhances one's memory of happy faces
Oxytocin was originally studied as the "milk let-down factor," i.e., a hormone that was necessary for breast-feeding. However, there is increasing evidence that this hormone also plays an important role in social bonding and maternal behaviors.
Oxytocin was originally studied as the "milk let-down factor," i.e., a hormone that was necessary for breast-feeding. However, there is increasing evidence that this hormone also plays an important role in social bonding and maternal behaviors.
Hypnosis shown to reduce symptoms of dementia
A scientist at the University of Liverpool has found that hypnosis can slow down the impacts of dementia and improve quality of life for those living with the condition.
A scientist at the University of Liverpool has found that hypnosis can slow down the impacts of dementia and improve quality of life for those living with the condition.
Researchers analyze how new anti-MRSA abtibiotics function
A new paper by Shahriar Mobashery, Navari Family Professor in Life Sciences at the University of Notre Dame, and researchers in his lab provides important insights into promising new antibiotics aimed at combating MRSA.
A new paper by Shahriar Mobashery, Navari Family Professor in Life Sciences at the University of Notre Dame, and researchers in his lab provides important insights into promising new antibiotics aimed at combating MRSA.
A bee's future as queen or worker may rest with parasitic fly
Strange things are happening in the lowland tropical forests of Panama and Costa Rica. A tiny parasitic fly is affecting the social behavior of a nocturnal bee, helping to determine which individuals become queens and which become workers.
Strange things are happening in the lowland tropical forests of Panama and Costa Rica. A tiny parasitic fly is affecting the social behavior of a nocturnal bee, helping to determine which individuals become queens and which become workers.
Dietary factors appear to be associated with diabetes risk
Drinking more sugar-sweetened beverages or eating fewer fruits and vegetables both may be associated with an increased risk of type 2 diabetes, whereas eating a low-fat diet does not appear to be associated with any change in diabetes risk.
Drinking more sugar-sweetened beverages or eating fewer fruits and vegetables both may be associated with an increased risk of type 2 diabetes, whereas eating a low-fat diet does not appear to be associated with any change in diabetes risk.
Study links soft drinks and fruit drinks with risk for diabetes in African-American women
Researchers from Boston University's Slone Epidemiology Center have found that regular consumption of sugar-sweetened soft drinks and fruit drinks is associated with an increased risk for type 2 diabetes in African-American women. These findings appear in the July 28 issue of Archives of Internal Medicine.
Researchers from Boston University's Slone Epidemiology Center have found that regular consumption of sugar-sweetened soft drinks and fruit drinks is associated with an increased risk for type 2 diabetes in African-American women. These findings appear in the July 28 issue of Archives of Internal Medicine.
Symbiotic microbes induce profound genetic changes in their hosts
Though bacteria are everywhere - from the air we breathe and the food we eat to our guts and skin - the vast majority are innocuous or even beneficial, and only a handful pose any threat to us. What distinguishes a welcome microbial guest from an unwanted intruder?
Though bacteria are everywhere - from the air we breathe and the food we eat to our guts and skin - the vast majority are innocuous or even beneficial, and only a handful pose any threat to us. What distinguishes a welcome microbial guest from an unwanted intruder?
Newly discovered proteins in seminal fluid may affect odds of producing offspring
Seminal fluid contains protein factors that, when transferred from a male to a female at mating, affect reproductive success. This is true of many different animals, from crickets to primates.
Seminal fluid contains protein factors that, when transferred from a male to a female at mating, affect reproductive success. This is true of many different animals, from crickets to primates.
Thyrotropin levels associated with Alzheimer's disease risk in women
Women with low or high levels of the hormone thyrotropin, which affects thyroid gland function and thyroid hormone levels, appear to have a higher risk of developing Alzheimer's disease, according to a report in the July 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
Women with low or high levels of the hormone thyrotropin, which affects thyroid gland function and thyroid hormone levels, appear to have a higher risk of developing Alzheimer's disease, according to a report in the July 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
Foods high in conjugated linoleic acids can enrich breast milk
Have a cookie before breast-feeding, mom? Eating special cookies enriched with conjugated linoleic acid (CLA) can increase the level of these potentially healthful fatty acids in breast milk, reports a recent study in the journal Nutrition Research.
Have a cookie before breast-feeding, mom? Eating special cookies enriched with conjugated linoleic acid (CLA) can increase the level of these potentially healthful fatty acids in breast milk, reports a recent study in the journal Nutrition Research.
Inheritance of hormonal disorder marked by excessive insulin in daughters
Elevated levels of insulin could be an early sign that girls whose mothers suffer from polycystic ovary syndrome -- or PCOS -- may also be susceptible to the disease, according to gynecologists who have found evidence of insulin resistance in young children.
Elevated levels of insulin could be an early sign that girls whose mothers suffer from polycystic ovary syndrome -- or PCOS -- may also be susceptible to the disease, according to gynecologists who have found evidence of insulin resistance in young children.
Current exercise recommendations may not be sufficient for overweight women to sustain weight loss
In addition to limiting calories, overweight and obese women may need to exercise 55 minutes a day for five days per week to sustain a weight loss of 10 percent over two years, according to a report in the July 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
In addition to limiting calories, overweight and obese women may need to exercise 55 minutes a day for five days per week to sustain a weight loss of 10 percent over two years, according to a report in the July 28 issue of Archives of Internal Medicine, one of the JAMA/Archives journals.
Argonne scientists discover new class of glassy material
Scientists at U.S. Department of Energy's Argonne National Laboratory are dealing with an entirely new type of frustration, but it's not stressing them out.
Scientists at U.S. Department of Energy's Argonne National Laboratory are dealing with an entirely new type of frustration, but it's not stressing them out.
UT Southwestern digestive specialists freeze out esophagus cancer with new therapy
UT Southwestern Medical Center gastroenterologists are using a new method to freeze damaged cells in the esophagus, preventing them from turning cancerous.
UT Southwestern Medical Center gastroenterologists are using a new method to freeze damaged cells in the esophagus, preventing them from turning cancerous.
New study finds smoking predicts increased stroke risk for your spouse
Although Second Hand Smoke (SHS) is widely accepted as a risk factor for coronary heart disease, there have been few studies investigating the association of SHS and stroke risk. In a new study, published in the September 2008 issue of the American Journal of Preventive Medicine, researchers report on evidence of increased risk of stroke for spouses of smokers.
Although Second Hand Smoke (SHS) is widely accepted as a risk factor for coronary heart disease, there have been few studies investigating the association of SHS and stroke risk. In a new study, published in the September 2008 issue of the American Journal of Preventive Medicine, researchers report on evidence of increased risk of stroke for spouses of smokers.
New study finds healthy children of Alzheimer patients show early brain changes
Medical College of Wisconsin researchers in Milwaukee have reported that children of Alzheimer's patients who are carriers of a genetic risk factor for Alzheimer's disease have neurological changes that are detectable long before clinical symptoms may appear.
Medical College of Wisconsin researchers in Milwaukee have reported that children of Alzheimer's patients who are carriers of a genetic risk factor for Alzheimer's disease have neurological changes that are detectable long before clinical symptoms may appear.
Bariatric patients have 65% lower chance of complications at top hospitals: HealthGrades study
Bariatric surgery patients treated at highly rated hospitals have, on average, a 65 percent lower chance of experiencing serious complications compared to patients who undergo surgery at poorly rated hospitals according to a study released today by HealthGrades, the nations leading independent healthcare ratings organization.
Bariatric surgery patients treated at highly rated hospitals have, on average, a 65 percent lower chance of experiencing serious complications compared to patients who undergo surgery at poorly rated hospitals according to a study released today by HealthGrades, the nations leading independent healthcare ratings organization.
Gallbladder removed without external incisions
In April of last year, surgeons at NewYork-Presbyterian Hospital/Columbia University Medical Center made headlines by removing a women's gallbladder through her uterus using a flexible endoscope, aided by several external incisions for added visibility. Now, they have performed the same procedure without a single external incision in what surgeons report may be the first surgery of its kind in the United States.
In April of last year, surgeons at NewYork-Presbyterian Hospital/Columbia University Medical Center made headlines by removing a women's gallbladder through her uterus using a flexible endoscope, aided by several external incisions for added visibility. Now, they have performed the same procedure without a single external incision in what surgeons report may be the first surgery of its kind in the United States.
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