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Improvements in fuel cell designImprovements in fuel cell design

Rediscovering Venus to find faraway earths

Archaeologists discover bronze remains of Iron Age chariot

Researchers resolve the Karakoram glacier anomaly, a cold case of climate science

Fish tale: New study evaluates antibiotic content in farm-raised fishFish tale: New study evaluates antibiotic content in farm-raised fish

New 3-D display technology promises greater energy efficiencyNew 3-D display technology promises greater energy efficiency

Researchers break nano barrier to engineer the first protein microfiberResearchers break nano barrier to engineer the first protein microfiber

Magnetic mirrors enable new technologies by reflecting light in uncanny ways

Structure of an iron-transport protein revealedStructure of an iron-transport protein revealed

First step: From human cells to tissue-engineered esophagusFirst step: From human cells to tissue-engineered esophagus

Lift weights, improve your memory

Spiders: Survival of the fittest group

Autophagy helps fast track stem cell activationAutophagy helps fast track stem cell activation

Myelin vital for learning new practical skillsMyelin vital for learning new practical skills

More physical activity improved school performanceMore physical activity improved school performance

Around the world in 400,000 years: The journey of the red foxAround the world in 400,000 years: The journey of the red fox

Engineering new vehicle powertrainsEngineering new vehicle powertrains

Active aging is much more than exerciseActive aging is much more than exercise

Study: New device can slow, reverse heart failureStudy: New device can slow, reverse heart failure

Are the world's religions ready for ET?Are the world's religions ready for ET?

Recreating the stripe patterns found in animals by engineering synthetic gene networksRecreating the stripe patterns found in animals by engineering synthetic gene networks

Laying the groundwork for data-driven scienceLaying the groundwork for data-driven science

Hold on, tiger momHold on, tiger mom

Nature's designs inspire research into new light-based technologiesNature's designs inspire research into new light-based technologies

Missing piece found to help solve concussion puzzleMissing piece found to help solve concussion puzzle

Biologists delay the aging process by 'remote control'Biologists delay the aging process by 'remote control'

Geography matters: Model predicts how local 'shocks' influence U.S. economyGeography matters: Model predicts how local 'shocks' influence U.S. economy

Identified for the first time what kind of explosive has been used after the detonationIdentified for the first time what kind of explosive has been used after the detonation

Copied from nature: Detecting software errors via genetic algorithmsCopied from nature: Detecting software errors via genetic algorithms

Body Weekly - March 2014 Archives


Cholesterol levels vary by season, get worse in colder months (3/31/2014)

Cholesterol levels fluctuate based on the time of year with more unfavorable lipid profiles seen in the colder months, a trend that may be driven by related behavior changes, according to research to be presented at the American College of Cardiology's 63rd Annual Scientific Session. ...> Full Article


Researchers discover reversible mechanism that increases muscle elasticity (3/31/2014)

Columbia University biological sciences professor Julio Fernandez and team report the discovery of a new form of mechanical memory that adjusts the elasticity of muscles to their history of stretching. Using highly sensitive atomic force microscopes, the researchers detected a chemical reaction that increases the elasticity of muscle proteins. Crucially, this reaction targets molecules that have been exposed to a stretching force. This finding changes our understanding of how muscles respond to stretching and may lead to new treatments of muscle disorders. ...> Full Article


Husband's health and attitude loom large for happy long-term marriages (3/30/2014)

A husband's agreeable personality and good health appear crucial to preventing conflict among older couples who have been together a long time, according to a study from University of Chicago researchers. ...> Full Article


Motion and muscles don't always work in lockstep, researchers find in surprising new study (3/29/2014)

Motion and muscles don't always work in lockstep, researchers find in surprising new studyAnimals 'do the locomotion' every day, whether it's walking down the hall to get some coffee or darting up a tree to avoid a predator. And until now, scientists believed the inner workings of movement were pretty much the same. But in a first-of-its-kind study on wild green anole lizards, biologists at the University of California, Riverside have discovered that the link between muscle function and movement is a lot more complicated than anyone realized. ...> Full Article


Older adults: Build muscle and you'll live longer (3/28/2014)

New research suggests that the more muscle mass older Americans have, the less likely they are to die prematurely. The findings add to the growing evidence that overall body composition -- and not the widely used body mass index, or BMI -- is a better predictor of all-cause mortality. ...> Full Article


Tension triggers muscle building (3/27/2014)

Skeletal muscles are built from small contractile units, the sarcomeres. They are connected in a well-ordered series to form myofibrils that span the entire muscle. Contractions of these sarcomeres result in contraction of the respective muscle. Scientists at the Max Planck Institute of Biochemistry (MPIB) in Munich-Martinsried recently identified a key mechanism how this muscle architecture is built during development. 'Mechanical tension is the essential trigger' explains Frank Schnorrer, group leader at the MPIB. ...> Full Article


Gluten-free crackers made with hemp flour and decaffeinated green tea leaves (3/27/2014)

A team of food scientists from University of Novi Sad in Serbia and Guelph Food Research Centre in Canada found that hemp flour, a by-product of cold-pressed hemp oil, in combination with decaffeinated green tea leaves could be used to develop a gluten-free snack cracker with functional properties. The study is in the current issue of Journal of Food Science published by the Institute of Food Technologists. ...> Full Article


Fighting for oral dominance: Good fungi keep bad ones in check in healthy mouths (3/26/2014)

Fighting for oral dominance: Good fungi keep bad ones in check in healthy mouthsHuman mouths contain a balanced mix of microbes which, when disrupted, can lead to oral diseases. A study published Mar. 13 in PLOS Pathogens compares the bacteria and fungi present in the mouths of healthy individuals with those from patients infected with HIV and illustrates why oral candidiasis (aka 'thrush') is a common complication of HIV infection. ...> Full Article


3D X-ray film: Rapid movements in real time (3/26/2014)

3D X-ray film: Rapid movements in real timeHow does the hip joint of a crawling weevil move? A technique to record 3D X-ray films showing the internal movement dynamics in a spatially precise manner and in the temporal dimension has now been developed by researchers at ANKA, KIT's Synchrotron Radiation Source. The scientists applied this technique to a living weevil. From up to 100,000 two-dimensional radiographs per second, they generated complete 3D film sequences in real time or slow motion. ...> Full Article


'Love hormone' could provide new treatment for anorexia (3/25/2014)

Oxytocin, also known as the 'love hormone,' could provide a new treatment for anorexia nervosa, according to new research by a team of British and Korean scientists. The study, published today, found that oxytocin alters anorexic patients' tendencies to fixate on images of high calorie foods, and larger body shape. The findings follow an earlier study by the same group showing that oxytocin changed patients' responses to angry and disgusted faces. ...> Full Article


Tracking neighborhood eating habits to promote healthier diets (3/24/2014)

Tracking neighborhood eating habits to promote healthier dietsThis release focuses on using checkout grocery data from Montreal neighborhoods as a tool to combat unhealthy food choices. ...> Full Article


Claim that raw milk reduces lactose intolerance doesn't pass smell test, study finds (3/23/2014)

Some sour news for lactose-intolerant people who hoped that raw milk might prove easier to stomach than pasteurized milk: A pilot study from the Stanford University School of Medicine shows little difference in digestibility between the two. ...> Full Article


Blind can 'hear' colors and shapes, show researchers (3/22/2014)

Blind can 'hear' colors and shapes, show  researchersWhat if you could 'hear' colors? Or shapes? These features are normally perceived visually, but using sensory substitution devices they can now be conveyed to the brain noninvasively through other senses, say Hebrew University of Jerusalem researchers. ...> Full Article


Feeding gut microbiota: Nutrition & probiotics are key factors for digestive health (3/22/2014)

A healthy and balanced diet, as well as probiotics, have been known to be helpful in preserving gastrointestinal health for quite a long time. But it is only recently that the underlying mechanisms have become somewhat clearer. A rapidly increasing body of knowledge promises to further clarify the effects of our daily food on the gut microbiota and to indicate more targeted applications of probiotics in the near future. ...> Full Article


More than just bacteria: The importance of microbial diversity in gut health and disease (3/21/2014)

The gut microbiota contains a vast number of microorganisms from all three domains of life, including bacteria, archaea and fungi, as well as viruses. These interact in a complex way to contribute towards both health and the development of disease -- interactions that are only now being elucidated thanks to the application of advanced DNA sequencing technology in this field. ...> Full Article


Calcium and vitamin D improve cholesterol in postmenopausal women (3/20/2014)

Calcium and vitamin D supplements after menopause can improve women's cholesterol profiles. And much of that effect is tied to raising vitamin D levels, finds a new study from the Women's Health Initiative just published online in Menopause, the journal of The North American Menopause Society. ...> Full Article


Study suggests higher levels of omega-3 in diet are associated with better sleep (3/19/2014)

A randomized placebo-controlled study by the University of Oxford suggests that higher levels of omega-3 DHA, the group of long-chain fatty acids found in algae and seafood, are associated with better sleep. ...> Full Article


Controlling protein intake may be key to a long and healthy life (3/18/2014)

Controlling protein intake may be key to a long and healthy lifeWhile it's clear that diet can affect longevity, there's great uncertainty about which combinations of foods are best for attaining a long and healthy life. Now two groups of researchers publishing in the March 4 issue of the Cell Press journal Cell Metabolism each suggest that low protein intake may be a key factor, at least until old age. ...> Full Article


Researchers illuminate key structure in heart cells (3/18/2014)

Researchers illuminate key structure in heart cellsBrandeis University researchers have unlocked the structure of potassium ion channels that regulate contractions in the heart. The research may help create more effective models to study heart conditions, such as arrhythmias, and their treatment. ...> Full Article


'Gaydar' revisited (3/17/2014)

A new study by Northeastern researchers explores the differences between straight and lesbian women's perceptions of other women. ...> Full Article


Female fertility: What's testosterone got to do with it? (3/17/2014)

The use of testosterone to improve outcomes in women undergoing in vitro fertilization is taking hold across the country, but data on its use is slim and mixed. A new study suggests that the male hormone might actually be doing something good. ...> Full Article


Outbursts of anger linked to greater risk of heart attacks and strokes (3/16/2014)

Outbursts of anger may trigger heart attacks, strokes and other cardiovascular problems in the two hours immediately afterwards, according to the first study to systematically evaluate previous research into the link between the extreme emotion and all cardiovascular outcomes. The study is published in the European Heart Journal. ...> Full Article


Increased intake of fish can boost good cholesterol levels (3/16/2014)

Increasing the intake of fatty fish increases the number of large HDL particles, according to a recent study completed at the University of Eastern Finland. People who increased their intake of fish to a minimum of 3-4 weekly meals had more large HDL particles in their blood than people who are less frequent eaters of fish. Large HDL particles are believed to protect against cardiovascular diseases. ...> Full Article


Is marriage killing us? (3/15/2014)

Is marriage killing us?Does the stress of marriage contribute to heart disease, which accounts for one of every four deaths in the United States? A new study aims to find out. Michigan State University's Hui Liu will lead one of the first national interdisciplinary efforts to investigate how biology and social factors interact within marriage to affect cardiovascular health. ...> Full Article


Why dark chocolate is good for your heart (3/14/2014)

It might seem too good to be true, but dark chocolate is good for you and scientists now know why. ...> Full Article


Research shows ovulation motivates women to outdo other women (3/14/2014)

Research shows ovulation motivates women to outdo other womenFor approximately one week every month, millions of women change their economic behavior and become more focused on their social standing relative to other women. According to new research from The University of Texas at San Antonio and the University of Minnesota's Carlson School of Management, the ovulatory cycle alters women's behavior by subconsciously motivating them to outdo other women. This research could have important implications for marketers, consumers and researchers. ...> Full Article


Sunburns strike twice (3/13/2014)

Melanoma is particularly dangerous because it can form metastases in vital organs such as the lungs, liver or brain. UV radiation is considered to be the most significant triggering factor. An interdisciplinary team of researchers from the University Hospital and the LIMES Institute of the University of Bonn has now discovered that sunburns contribute not only through direct alteration of pigment cell genomes but also indirectly through inflammatory processes in the surrounding tissue. The results are now being published in 'Nature.' ...> Full Article


Phantom limb pain relieved when amputated arm is put back to work (3/12/2014)

Phantom limb pain relieved when amputated arm is put back to workMax Ortiz Catalan, researcher at Chalmers University of Technology, has developed a new method for the treatment of phantom limb pain after an amputation. The method is based on a unique combination of several technologies, and has been initially tested on a patient who has suffered from severe phantom limb pain for 48 years. A case study shows a drastic reduction of pain. ...> Full Article


Strawberries lower cholesterol (3/11/2014)

Strawberries lower cholesterolA team of volunteers ate half a kilo of strawberries a day for a month to see whether it altered their blood parameters in any way. At the end of this unusual treatment, their levels of bad cholesterol and triglycerides reduced significantly, according to the analyses conducted by Italian and Spanish scientists. ...> Full Article


Mood and food: The better your mood, the better you eat (3/11/2014)

Mood and food: The better your mood, the better you eatIndividuals select healthy or indulgent foods depending on whether they are in a good or a bad mood, respectively. Individuals in positive moods who make healthier food choices are often thinking more about future health benefits than those in negative moods, who focus more on the immediate taste and sensory experience. Trying to focus on something pleasant can reduce consumption of indulgent foods. If you think about what makes you happy, you'll eat 77 percent healthier! ...> Full Article


Don't throw out old, sprouting garlic -- it has heart-healthy antioxidants (3/10/2014)

'Sprouted' garlic -- old garlic bulbs with bright green shoots emerging from the cloves -- is considered to be past its prime and usually ends up in the garbage can. But scientists are reporting in the American Chemical Society's Journal of Agricultural and Food Chemistry that this type of garlic has even more heart-healthy antioxidant activity than its fresher counterparts. ...> Full Article


New online care from dietitians helps control weight (3/10/2014)

New online care from dietitians helps control weightA rich chocolate cake is tempting you, but where is a dietitian when you need one? The e-Care for Heart Wellness study sought to solve this problem. Group Health patients who were overweight and had hypertension were more likely to have lost 10 pounds in six months if they had secure online access to a dietitian than if they received only information and usual care. The American Journal of Preventive Medicine published the e-Care study. ...> Full Article


Vegetarian diets associated with lower blood pressure (3/9/2014)

Eating a vegetarian diet appears to be associated with lower blood pressure, and the diets can also be used to reduce blood pressure. ...> Full Article


A changing view of bone marrow cells (3/8/2014)

A changing view of bone marrow cellsUsing a novel microfluidic technique, researchers at Caltech have shown that blood stem cells might be more actively involved in battles against infection. Rather than simply replenishing immune cells after they become depleted, new research shows that blood stem cells sense danger signals directly and quickly produce new immune cells to join the fight. ...> Full Article


New sitting risk: Disability after 60 (3/7/2014)

If you're 60 and older, every additional hour a day you spend sitting is linked to doubling the risk of being disabled -- regardless of how much exercise you get, reports a new study. The study is the first to show sedentary behavior is its own risk factor for disability, separate from lack of moderate vigorous physical activity. In fact, sedentary behavior is almost as strong a risk factor for disability as lack of exercise. ...> Full Article


The secret of fertile sperm (3/6/2014)

The secret of fertile spermTo better understand the causes of male infertility, a team of Bay Area researchers is exploring the factors, both physiological and biochemical, that differentiate fertile sperm from infertile sperm. At the 58th Annual Biophysical Society Meeting, the team will present its work to identify and characterize proteins known as ion channels, which are crucial for sperm fertility and expressed within a sperm cell's plasma membrane. ...> Full Article


Could metabolism play a role in epilepsy? (3/5/2014)

Could metabolism play a role in epilepsy?Researchers from the Franciscan University of Steubenville, Ohio, are exploring a possible link between metabolic defects and seizures. They determined that diet could influence susceptibility to seizures, and they have identified a common diabetes drug that could be useful in treating disorders such as epilepsy. ...> Full Article


Garlic counteracts virulent bacteria (3/4/2014)

Garlic contains a substance that is particularly effective in encounters with even the hardiest bacterial strains. A young researcher at the University of Copenhagen will soon be defending his Ph.D. thesis on the positive properties of the malodorous plant. ...> Full Article


Can citrus ward off your risk of stroke? (3/3/2014)

Eating foods that contain vitamin C may reduce your risk of the most common type of hemorrhagic stroke, according to a study released today that will be presented at the American Academy of Neurology's 66th Annual Meeting in Philadelphia, April 26-May 3, 2014. ...> Full Article


Tinnitus study signals advance in understanding link between loud sounds exposure and hearing loss (3/3/2014)

Leicester research reveals why hearing loss is correlated with auditory signals failing to get transmitted along the auditory nerve. ...> Full Article


Scientists discover mechanism of crude oil heart toxicity (3/2/2014)

Scientists discover mechanism of crude oil heart toxicityWhile studying the impact of the 2010 Deepwater Horizon oil spill on tuna, a research team led by Barbara Block, a professor of marine sciences, discovered that crude oil interrupts a molecular pathway that allows fish heart cells to beat effectively. The components of the pathway are present in the hearts of most animals, including humans. ...> Full Article


New study supports body shape index as predictor of mortality (3/2/2014)

In 2012, Dr. Nir Krakauer, an assistant professor of civil engineering in CCNY's Grove School of Engineering, and his father, Dr. Jesse Krakauer, M.D., developed a new method to quantify the risk specifically associated with abdominal obesity.A follow-up study, published Feb. 20 by the online journal PLOS ONE, supports their contention that the technique, known as 'A Body Shape Index,' is a more effective predictor of mortality than body mass index, the most common measure used to define obesity. ...> Full Article


Grape seed promise in fight against bowel cancer (3/1/2014)

University of Adelaide research has shown for the first time that grape seed can aid the effectiveness of chemotherapy in killing colon cancer cells as well as reducing the chemotherapy's side effects. ...> Full Article


Abdominal fat accumulation prevented by unsaturated fat (3/1/2014)

Abdominal fat accumulation prevented by unsaturated fatNew research from Uppsala University shows that saturated fat builds more fat and less muscle than polyunsaturated fat. This is the first study on humans to show that the fat composition of food not only influences cholesterol levels in the blood and the risk of cardiovascular disease but also determines where the fat will be stored in the body. The findings have recently been published in the American journal Diabetes. ...> Full Article


Researchers make the invisible visible (3/1/2014)

Researchers make the invisible visibleAs the first in the world, researchers from Aarhus have shown that a new scanning technique can see changes in metabolism that have until now remained invisible, while they are taking place. ...> Full Article


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