Fwd: Phys.org Newsletter Monday, May 19

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From: Newsletter Phys.org <not-for-reply@physorg.com>
Date: Tue, May 20, 2014 at 2:22 AM
Subject: Phys.org Newsletter Monday, May 19
To: Pascal Alter <pascal.alter@gmail.com>

Dear Pascal Alter,

Here is your customized Phys.org Newsletter for May 19, 2014:

Spotlight Stories Headlines

- Best of Last Week – Tricking the uncertainty principle, how brains work during mediation and bad news for resveratrol
- A design guide for future graphene chips
- People more likely to choose a spouse with similar DNA, research shows
- Taste test: Could sense of taste affect length of life?
- Chemists challenge conventional understanding of how photocatalysis works
- New 'T-ray' tech converts light to sound for weapons detection, medical imaging
- Keywords hold vocabulary together in memory
- Optical brain scanner goes where other brain scanners can't
- Liberating devices from their power cords: New structural 'supercaps' take a lickin', keep on workin'
- Engineers invent a way to beam power to medical chips deep inside the body
- Improved supercapacitors for super batteries, electric vehicles
- Taking notes? TransProse algorithm turns novels into music
- Human heart beats using nearly billion-year-old molecular mechanism
- Team visualizes complex electronic state
- Scientists discover genetic basis of pest resistance to biotech cotton

Astronomy & Space news

Schoolchildren beam selfies into space via ESA tracking station An enthusiastic group of schoolchildren sent a greeting to the future today, beaming a radio signal into space via an ESA tracking station in Spain.

China says space debris recovered: report Objects that crashed to the ground in China have been identified as space debris, state media reported, after a Russian rocket carrying a communications satellite fell back to Earth minutes after lift-off.

Views of Venus day and night side This sequence of images was taken by the Ultraviolet/Visible/Near-Infrared spectrometer (VIRTIS) on board ESA's Venus Express spacecraft between 12 and 19 April 2006, during the first orbit (capture orbit) around the planet.

Blood science on the ISS Four years of training, a hair-raising launch strapped to 274 tonnes of rocket propellants, docking two spacecraft travelling at 28 800 km/h and living in one of the most inhospitable environments known. Space agencies would not consider these awe-inspiring undertakings without the unique opportunity for conducting science on the microgravity laboratory that is the International Space Station.

Digging deep in search of water on the moon One of the main aims of the Apollo missions of the 1960s was to determine whether the moon had any water on it. If man were to build a colony on the moon, having water present would make living there easier.

NASA senior review declines WISE spacecraft data usage idea NASA has denied funding to an idea to use NEOWISE image exposures for additional processing for science purposes, according to Amy Mainzer, the deputy project scientist for the Wide-field Infrared Survey Explorer (WISE) at NASA's Jet Propulsion Laboratory. The project, called MaxWISE, was supposed to run for three years and to use NEOWISE data for other purposes.

NASA: Russia alone can't end space station work (Update) Friction between the United States and Russia over Ukraine won't spell the end of the International Space Station, the head of NASA said Monday, dismissing concerns that one of the world's most prestigious scientific endeavors could fall victim to political disagreement.

Image: Hubble sees starbursts in the wake of a fleeting romance (Phys.org) —This image from NASA/ESA's Hubble Space Telescope shows galaxy NGC 4485 in the constellation of Canes Venatici (The Hunting Dogs). The galaxy is irregular in shape, but it hasn't always been so. Part of NGC 4485 has been dragged towards a second galaxy, named NGC 4490—which lies out of frame to the bottom right of this image.

NASA's saucer-shaped craft preps for flight test (Phys.org) —NASA's Low-Density Supersonic Decelerator (LDSD) project, a rocket-powered, saucer-shaped test vehicle, has completed final assembly at the U.S. Navy's Pacific Missile Range Facility in Kauai, Hawaii.

Earth organisms survive under Martian conditions (Phys.org) —New research suggests that methanogens—among the simplest and oldest organisms on Earth—could survive on Mars.

Evidence that Saturn's collapsing magnetic tail causes auroras University of Leicester researchers have captured stunning images of Saturn's auroras as the planet's magnetic field is battered by charged particles from the Sun.

Mars rover Curiosity wrapping up waypoint work (Phys.org) —Portions of powdered rock collected by drilling into a sandstone target last week have been delivered to laboratory instruments inside NASA's Curiosity Mars rover, and the rover will soon drive on toward its long-term destination on a mountain slope.

Medicine & Health news

AstraZeneca rejects $119 billion offer from Pfizer (Update) The board of AstraZeneca on Monday rejected the improved $119 billion takeover offer from U.S. drugmaker Pfizer, a decision that caused a sharp slide in the U.K. company's share price as many investors think it effectively brings an end to the protracted and increasingly bitter takeover saga.

WADA adds Xenon to list of banned substances The World Anti-Doping Agency has added xenon gas to its list of banned substances after claims it can be used by athletes to help boost performance.

IN-TIME shows equal benefit of home telemonitoring in ICD and CRT-D patients Home telemonitoring is equally effective in ICD and CRT-D patients, a subanalysis of the IN-TIME trial has shown. The findings were presented for the first time today at the Heart Failure Congress 2014, held 17-20 May in Athens, Greece. The Congress is the main annual meeting of the Heart Failure Association of the European Society of Cardiology.

Making a connection between bullying and health problems Over the last decade, the subject of bullying has become a topic of academic interest, as scientists and social scientists delve into the psychological and physiological effects for both the bullied and the bully.

National heart organizations join to combat the global hypertension epidemic It's estimated that more than 970 million people have hypertension1 and, globally, the disease is responsible for more than nine million deaths every year, making it one of the leading causes of death worldwide. In an effort to help manage the epidemic, leading scientists from the American Society of Hypertension (ASH), American Heart Association (AHA) and the Centers for Disease Control and Prevention (CDC) convened a joint panel to discuss a global project aiming to improve the treatment and control of hypertension worldwide.

Improving the quality of life for dependent elderly adults Western populations are aging. As a result, there is an increase in elderly adults living in specialised institutions. A 'paradoxical side effect' of this is a feeling of solitude and isolation. Can information and computer technologies prevent this and work to improve the quality of life for such adults? Research published in Behaviour & Information Technology suggests it can.

Haemoglobin study sheds light on one of our bodies most important molecules Haemoglobin molecules store oxygen in the body, and red blood cells transport this vital storage unit around the body. Haemoglobin is essential for the effective functioning of our bodies, with haemoglobin deficiencies causing diseases such as anemia. It is therefore important that we understand how haemoglobin works and what factors affect its functioning.

New technique to prevent anal sphincter lesions due to episiotomy during child delivery New minimally invasive method provides the obstetrician, any time before child delivery, with the outline of the anal sphincter innervation so that episiotomy can be ruled out or planned and guided to minimize sphincter damage.

Sanofi Pasteur announces favorable Phase II data for investigational C. difficile vaccine Sanofi Pasteur, the vaccines division of Sanofi, presented Phase II (H-030-012) trial results for an investigational vaccine for the prevention of Clostridium difficile (C. diff) infection (CDI) at the 114th General Meeting of the American Society for Microbiology (ASM). The Phase II trial met its primary objectives, reactions were generally mild and of short duration, and the candidate vaccine generated an immune response against C. diff toxins A and B. These toxins are largely responsible for CDI, which can cause potentially life-threatening gut inflammation and diarrhea.

Dyspnea increases long-term mortality risk Individuals with dyspnea, or shortness of breath, have an increased long-term mortality risk compared with individuals without dyspnea, according to a new study presented at the 2014 American Thoracic Society International Conference.

Novel pulmonary hypertension drug proves safe and effective in Phase III Trial After a year of being treated with a novel drug, patients with inoperable chronic thromboembolic pulmonary hypertension (CTEPH) and those with persistent or recurrent pulmonary hypertension after an operation for the disease showed sustained improvement in a multicenter, international trial presented at the 2014 American Thoracic Society International Conference.

New MERS deaths take Saudi toll to 173 Saudi health authorities reported Monday new deaths from the MERS coronavirus, taking to 173 the overall number of fatalities from the disease in the world's worst-hit country.

Studies find existing and experimental drugs active against MERS-coronavirus A series of research articles published ahead of print in the journal Antimicrobial Agents and Chemotherapy have identified a number of existing pharmaceutical drugs and compounds under development that may offer effective therapies against Middle East Respiratory Syndrome (MERS).

Florida MERS patient released from hospital A man from Saudi Arabia who is one of three patients diagnosed with an infection from a Middle East respiratory virus in the United States has been released from a hospital.

A call to arms in cancer research Hispanics are the fastest-growing demographic group in the United States, and they suffer from major health disparities, including higher rates of cancers of the cervix, stomach and liver.

Public reporting of ICU mortality does not improve outcomes A large study of intensive care patients in California found that public reporting of patient outcomes did not reduce mortality, but did result in reduced admission of the sickest patients to the ICU and increased transfer of critically ill patients to other hospitals.

Home testing and management of OSA reduces costs without impacting clinical outcomes Home testing of obstructive sleep apnea (OSA) followed by initiation of home treatment with an auto-titrating continuous positive airway pressure (CPAP) device reduced costs compared with in-laboratory testing and titration without negatively impacting clinical outcomes, researchers have shown in a new study presented at the American Thoracic Society International Conference.

Higher BMI is associated with lower mortality risk in patients with severe PH In patients with congestive heart failure, obesity and a larger waist size have paradoxically been associated with a better prognosis in the prior investigations. This effect, known as the obesity paradox phenomenon, is now being demonstrated in patients with severe pulmonary hypertension.

Poorer patients present with more advanced pulmonary hypertension Pulmonary hypertension patients from lower socioeconomic groups present for initial evaluation at a more advanced disease state than those from higher income groups, according to a new study presented at the 2014 American Thoracic Society International Conference.

An Internet-mediated exercise program improves quality of life in COPD patients A pedometer-based walking program supported by Internet-based instruction and support can improve health-related quality of life (HRQOL) in patients with chronic obstructive pulmonary disease (COPD), according to a new study presented at the 2014 American Thoracic Society International Conference.

Chronic insufficient sleep increases obesity, overall body fat in children One of the most comprehensive studies of the potential link between reduced sleep and childhood obesity finds compelling evidence that children who consistently received less than the recommended hours of sleep during infancy and early childhood had increases in both obesity and in adiposity or overall body fat at age 7. The study from MassGeneral Hospital for Children (MGHfC) investigators, published in the June issue of Pediatrics, also finds no evidence of a specific period during which insufficient sleep has greater influence on later obesity.

Solution to helping teens with chronic disease may be at fingertips Adolescents with chronic diseases (ACD), such as cystic fibrosis, gastrointestinal disorders (including Crohn's disease) and Type 1 diabetes, often find the transition of managing their health care needs into adulthood to be challenging. Preparations for this transition are often clinic-based, costly and do not fully or effectively engage with this patient population. A new study by researchers at the University of California, San Diego School of Medicine found the answer to developing independent, self-management skills in ACD could be right at the patient's fingertips.

Dogs may help spot human prostate cancers, study finds (HealthDay)—Dogs can be trained to sniff out evidence of prostate cancer in human urine with near-perfect accuracy, Italian researchers report.

New York raises minimum age to buy cigarettes to 21 New York raised the minimum wage to buy cigarettes to 21 on Sunday, in its latest initiative to encourage healthier behavior among residents.

Low-income Latino children show benefits from Montessori pre-kindergartern programs study finds Low-income Latino children who experienced one year of Montessori pre-K education at age 4 made dramatic improvements in early achievement and behavior even though they began the year at great risk for school failure, according to research published by the American Psychological Association.

Saudi announces new MERS death Saudi health authorities reported Monday a new death from the MERS coronavirus, taking to 169 the overall number of fatalities from the disease in the world's worst-hit country.

Novel device successfully treats central sleep apnea in heart failure A novel device implanted under the skin like a pacemaker successfully treats central sleep apnoea (CSA) in heart failure patients, according to research presented today at the Heart Failure Congress 2014, held 17-20 May in Athens, Greece. The Congress is the main annual meeting of the Heart Failure Association of the European Society of Cardiology.

How contagious pathogens could lead to nuke-level casualties (Medical Xpress)—What if nuclear bombs could reproduce? Get your hands on one today, and in a week's time you've got a few dozen. Of course, nukes don't double on their own. But contagious, one-celled pathogens do. Properly packaged as a bioweapon, they could kill as many people as a hydrogen bomb would, or more.

Racial disparities seen in rates of ER visits by newborns (Medical Xpress)—During the first month of life, African-American newborns are brought to emergency departments at roughly twice the average rate of all newborns, according to a study led by a researcher at the School of Medicine.

Peril posed by gene mutations often depends on degree to which allele expressed, study finds (Medical Xpress)—It's abundantly clear by now that the sequence of our genes can be important to our health.

Infants benefit from implants with more frequency sounds (Medical Xpress)—A new study from a UT Dallas researcher demonstrates the importance of considering developmental differences when creating programs for cochlear implants in infants.

Team studies EEGs in the ER to improve seizure diagnosis, care (Medical Xpress)—Even though it could impact their admission or care in the hospital, few seizing patients receive a diagnostic electroencephalogram, or EEG, in the emergency department, says a new study presented this week by University of Cincinnati researchers.

Brain booster for bipolar disorder (Medical Xpress)—Providing the brain with an energy boost could be a new way to treat bipolar depression.

Therapeutic relationship is key to recovery from personality disorder (Medical Xpress)—Patients in Rampton Hospital, a secure psychiatric unit in Nottinghamshire, have reported that the single most important factor affecting their recovery was the support and commitment of their therapist.

Newborns provide hope for spinal injuries (Medical Xpress)—It all started at a symposium five years ago. Catherine Gorrie, an expert in spinal cord injury, was listening to a presentation about the differences between the developing brains of children and the mature ones of adults when she had an "aah-haa" moment.

Midwifery units provide better experiences than hospitals for women with low-risk pregnancies Women who planned to give birth in a freestanding midwifery unit rather than in the local hospital obstetric unit were more likely to report a good experience, according to researchers at City University London.

The next disease to be eradicated from the planet could be Guinea worm In 1986 Guinea-worm disease infected 3.5m people. Simple interventions have since ensured that in 2013 only 148 cases were recorded. With a final push, this could be the second disease to be eradicated from the planet after smallpox, which needed a worldwide vaccination campaign led by the World Health Organisation in the 1970s.

Unconscious conjunction fallacy makes atheists seem untrustworthy When Jack was young, he began inflicting harm on animals. It started with just pulling the wings off flies, but eventually progressed to torturing squirrels and stray cats in his neighbourhood. As an adult, Jack found that he did not get much thrill from harming animals, so he began hurting people instead. He has killed 5 homeless people that he abducted from poor neighbourhoods in his home city. Their dismembered bodies are currently buried in his basement.

How's your poker face? Why it's so hard to sniff out a liar As the annual World Series of Poker gets rolling in Las Vegas later this month, hopeful competitors will be buying in and getting their poker faces on.

The science of romance – can we predict a breakup? Oscar winning actress Gwyneth Paltrow and Coldplay frontman Chris Martin seemed to have the perfect marriage until their "conscious uncoupling" earlier this year. Was the split destined to happen?

New gene therapy could bring relief for eye disease patients A new gene therapy for a common cause of blindness could spell the end of invasive monthly injections into the eye, according to researchers at the Lions Eye Institute (LEI) in Perth, Western Australia.

Mining-related particulate exposure for children assessed New research is looking into the effects of children's exposure to potentially dangerous PM10 particulate matter in urban, rural and mining-related settings.

Dentist appointment "do's and don'ts" for best results Many dread a trip to the dentist, but there are important things you need to do, and not do, beforehand to have a successful visit. Communicating with your dentist before the visit is often critical.

Researcher studies muscle injuries, shares findings with community While working as a physical therapist, Brian Noehren was frustrated by the lack of robust clinical evidence to support the interventions used in the clinic. He had ideas about what could be done differently, but he didn't have the research training to explore them.

Ten things you always wanted to know about ticks May is Lyme Disease Awareness Month.

Experts debate value of self-exam for testicular cancer (HealthDay)—Whether it's worthwhile for men to examine themselves for testicular cancer seems to depend on whom you ask.

Botox might help treat bladder disorders (HealthDay)—Many still think of Botox as a wrinkle smoother, but new research shows the toxin's growing list of medical uses now includes the treatment of two common causes of urinary frequency, urgency and incontinence.

Sports injuries can damage kidneys, study finds (HealthDay)—A single blow to the belly or side while playing a sport can result in a significant kidney injury, a new study shows.

Removal of faulty mesh for incontinence may not improve women's symptoms (HealthDay)—Removal of vaginal mesh—a device implanted to help support a woman's pelvic organs—won't necessarily improve side effects such as pain and incontinence related to the device, suggests the mixed results from a pair of new studies.

Robot-assisted prostate cancer surgery as safe but more expensive as open surgery in older men Minimally invasive robot-assisted surgery, which has become the main choice for surgically removing cancerous prostate glands during recent years, is as safe as open surgery for Medicare patients over age 65.

Can chemicals produced by gut microbiota affect children with autism? Children with autism spectrum disorders (ASD) have significantly different concentrations of certain bacterial-produced chemicals, called metabolites, in their feces compared to children without ASD. This research, presented at the annual meeting of the American Society for Microbiology, provides further evidence that bacteria in the gut may be linked to autism.

Olive oil supplements may protect against the adverse vascular effects of air pollution Taking olive oil supplements may counteract some of the adverse cardiovascular effects of exposure to air pollution, according to a new study presented at the 2014 American Thoracic Society International Conference.

PTSD symptoms common after an ICU stay Patients who have survived a stay in the intensive care unit (ICU) have a greatly increased risk of developing symptoms of post-traumatic stress disorder (PTSD), according to a new study presented at the 2014 American Thoracic Society International Conference.

Air pollution exposure in second trimester may increase asthma risk in children Children who are exposed in utero to high levels of particulate air pollution during the second trimester of pregnancy may be at greater risk of developing asthma in early childhood, according to a new study presented at the 2014 American Thoracic Society International Conference.

Genes play key role in brain injury risk for premature babies Premature babies' risk of brain injury is influenced by their genes, a new study suggests.

Children who exercise have better body-fat distribution, regardless of their weight Maybe the numbers on the scale aren't alarming, but that doesn't mean that healthy-weight children get a pass on exercising, according to a new University of Illinois study published in Pediatrics.

Study shows dementia patients benefit from holistic exercise program While dementia patients can often suffer from depression and declining physical and mental ability, exercise has been shown to help improve both their physical and psychological wellbeing. Researchers at Teesside University in the U.K. investigated how combining cognitive activities and elements of yoga, tai chi, qigong and meditation with routine physical exercise affected dementia patients. They found that a holistic exercise program focusing on both mind and body can help improve quality of life for dementia patients. Their findings are published in the Journal of Bodywork and Movement Therapies.

Does birth control impact women's choice of sexual partners? Birth control is used worldwide by more than 60 million women. Since its introduction, it has changed certain aspects of women's lives including family roles, gender roles and social life. New research in The Journal of Sexual Medicine found a link between birth control and women's preferences for psychophysical traits in a sexual mate.

Teens who participate in sports show lower levels of hazardous drinking New research in Criminal Behavior and Mental Health aimed to find the relationship between participation in organized sports and an increase in hazardous drinking. Unlike previous research, the study focused on an underrepresented group – young offenders – adolescents who were either excluded from school or involved with the justice system.

Favoritism, not hostility, causes most discrimination, psychology professor says Most discrimination in the U.S. is not caused by intention to harm people different from us, but by ordinary favoritism directed at helping people similar to us, according to a theoretical review published online in American Psychologist.

Predicting which stroke patients will be helped—or harmed—by clot-busting treatment Johns Hopkins researchers say they have developed a technique that can predict—with 95 percent accuracy—which stroke victims will benefit from intravenous, clot-busting drugs and which will suffer dangerous and potentially lethal bleeding in the brain.

Hospital visits for irregular heart rhythms rising Hospitalizations and costs for treating irregular heartbeats are escalating—increasing the burden on the U.S. healthcare system, according to new research in the American Heart Association journal Circulation.

More activity: Less risk of gestational diabetes progressing to type 2 diabetes Increased physical activity among women who had gestational diabetes mellitus (GDM) can lower the risk of progression to Type 2 diabetes mellitus (T2DM).

Higher health insurance cost-sharing impacts asthma care for low-income kids Parents in low-income families were less likely to delay asthma care for their children or avoid taking their children to see a doctor is they had lower vs. higher levels of health insurance cost-sharing.

Study examines effect of increased blood flow during and after major surgery In a study that included high-risk patients undergoing major gastrointestinal surgery, the use of a cardiac-output guided intervention to improve hemodynamics (blood flow and blood pressure) during and after surgery did not reduce complications and the risk of death after 30 days, compared with usual care. However, when the current results were included in an updated meta-analysis, the intervention was associated with a clinically important reduction in complication rates, according to a study published by JAMA. The study is being released early online to coincide with its presentation at the American Thoracic Society International Conference.

Study calls for revisiting cardiac screening guidelines for survivors of childhood cancer One of the first studies to analyze the effectiveness of screening survivors of childhood cancer for early signs of impending congestive heart failure (CHF) finds improved health outcomes but suggests that less frequent screening than currently recommended may yield similar clinical benefit. The researchers, in a study published in the Annals of Internal Medicine, utilized a simulation-based model to estimate the long-term benefits associated with routine screening.

Intake of dietary methyl donors in the first trimester affects asthma risk in children Maternal intake of dietary methyl donors during the first trimester of pregnancy modulates the risk of developing childhood asthma at age 7, according to a new study presented at the 2014 American Thoracic Society International Conference.

Breastfeeding initiation and success is impacted by diabetes status of mother Women diagnosed with diabetes before or during pregnancy are less likely to initiate and continue breastfeeding their newborns than women without diabetes, a new study suggests. Led by clinician-scientists in The Research Institute at Nationwide Children's Hospital and collaborating institutions, the findings point to areas for improved prenatal and postnatal education of women with diabetes.

Delaying measles-related vaccines may raise seizure risk (HealthDay)—Delaying certain routine immunizations past the first 15 months of life could boost the risk of fever-related seizures, new research suggests.

Adverse drug event-tied ER visits up with chronic conditions (HealthDay)—Children with complex chronic conditions (CCCs) are more likely to have an adverse drug event (ADE)-related emergency department visit, according to a study published online May 19 in Pediatrics.

Low risk prostate cancer not always low risk More and more men who believe they have low-risk prostate cancers are opting for active surveillance, forgoing treatment and monitoring the cancer closely with prostate-specific antigen (PSA) tests, digital rectal exams and ultrasounds at regular intervals to see if their tumors are growing. Nearly 400 men are now enrolled in the UCLA Active Surveillance program, the largest in Southern California.

Go to work to improve your mental health (Medical Xpress)—Ask most people where they should learn about good mental health and they would be pretty unlikely to say their workplace. For many of us, the workplace is where we are the most stressed, anxious or depressed.

Research proves how much we distrust people who are mean with money (Medical Xpress)—We distrust people who are mean with their money, according to the findings of a series of lab experiments conducted at Oxford University.

Study shows for first time how Huntington's disease protein could cause death of neurons (Medical Xpress)—Scientists at the University of Pittsburgh School of Medicine have identified for the first time a key molecular mechanism by which the abnormal protein found in Huntington's disease can cause brain cell death. The results of these studies, published today in Nature Neuroscience, could one day lead to ways to prevent the progressive neurological deterioration that characterizes the condition.

Fluoridating water does not lower IQ, new research says New research out of New Zealand's world-renowned Dunedin Multidisciplinary Study does not support claims that fluoridating water adversely affects children's mental development and adult IQ.

Researchers develop sequencing platform that generates "clinical-grade" data from small amounts of tumor sample DNA (Medical Xpress)—A large team of researchers with members from several universities and hospitals in the U.S. has developed a sequencing platform that generates "clinical-grade" data using whole exome sequencing (WES) from small amounts of DNA extracted from clinical tumor samples. In their paper published in the journal Nature Medicine, the team describes their new method and how it might soon be used in routine clinical practice.

Possible cause, source of Kawasaki disease found—condition linked to winds from China An international team of scientists, including researchers from the University of California, San Diego, report that the likely causative agent of Kawasaki disease (KD) in Japan is a windborne agent originating from a source in northeast China. KD is a mysterious childhood ailment that can permanently damage coronary arteries.

Racing the clock to help young patients with old hearts Children with progeria, a rare disorder that causes premature aging, die in their teens of ailments that are common in octogenarians: heart failure and stroke. Kan Cao, a University of Maryland assistant professor of cell biology and molecular genetics, urgently wants to help find a cure. Cao and her colleagues have taken a big step in that direction, showing that a toxic protein destroys muscle cells inside the patients' arteries. The researchers suspect the damaged arteries are thus primed for failure.

Study shows why you need olive oil on your salad A diet that combines unsaturated fats with nitrite-rich vegetables, such as olive oil and lettuce, can protect you from hypertension, suggests a new study led by King's College London. The findings, published in the journal PNAS, help to explain why some previous studies have shown that a Mediterranean diet can reduce blood pressure.

Study shows why dengue fever prevention efforts often fail (Medical Xpress)—Newly published research involving a 12-year study of dengue infections in Iquitos, Peru, helps explain why interventions to prevent the mosquito-borne disease are frequently unsuccessful.

Keywords hold vocabulary together in memory Much like key players in social networks, University of Kansas scientists have found evidence that there are keywords in word networks that hold together groups of words in our memory.

People more likely to choose a spouse with similar DNA, research shows Individuals are more genetically similar to their spouses than they are to randomly selected individuals from the same population, according to a new study from the University of Colorado Boulder.

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