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Today's Science News and Current Events


Risk for aging-related diseases elevated among thyroid cancer survivors
Risk for aging-related diseases such as heart disease and diabetes was significantly higher among thyroid cancer survivors in Utah than it was among age-matched, cancer-free individuals, with those diagnosed before age 40 having the highest risk for some of the diseases.
Mass media linked to childhood obesity
A task force from the European Academy of Paediatrics and the European Childhood Obesity Group has found evidence of a strong link between obesity levels across European countries and childhood media exposure.
Adult survivors of childhood cancer are more likely to develop high blood pressure
People who survived childhood cancer were more than twice as likely as the general population to have high blood pressure (hypertension) as adults.
Antibiotics resistance: Researchers succeed to block genes of resistance
Scientists at Université de Montreal's Department of Biochemistry and Molecular Medicine design better molecules that make it harder for plasmids to move between bacteria.
Any physical activity in elderly better than none at all for reducing cardiovascular risk
Any physical activity in the elderly is better than none at all for reducing cardiovascular risk, according to an 18-year study in more than 24,000 adults published today in the European Journal of Preventive Cardiology.
Time between pregnancies may affect autism risk
Investigators have found a link between the amount of time between pregnancies and autism spectrum disorder in children.
Can sleep quality and burnout affect shift-work nurses' job performance?
In a Journal of Advanced Nursing study, female gender and personal burnout were linked with impaired sleep quality among nurses.
Analysis reveals barriers to routine HIV testing in high-income countries
A new HIV Medicine study identified several barriers to routine HIV testing in emergency departments and acute medical units in the UK and US.
Earplugs unavoidable for musicians in the orchestra and at home
Many musicians suffer ear damage. Professional orchestras have therefore taken measures in recent years to reduce the sound levels.
Species may appear deceptively resilient to climate change
Natural habitats play a vital role in helping other plants and animals resist heat stresses ramping up with climate change -- at least until the species they depend on to form those habitats become imperiled.
Penn team constructs whole-brain map of electrical connections key to forming memories
A team of neuroscientists at the University of Pennsylvania has constructed the first whole-brain map of electrical connectivity in the brain based on data from nearly 300 neurosurgical patients with electrodes implanted directly on the brain.
In vitro fertilization linked with increased risk of congenital heart defects
A new analysis of published studies found a 45 percent increased risk of congenital heart defects in newborns when women become pregnant via in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) than through spontaneous conception.
The HLF-gene controls the generation of our long-term immune system
A research group at Lund University in Sweden has found that when the HLF (hepatic leukemia factor) gene -- which is expressed in immature blood cells -- does not shut down on time, we are unable to develop a functional long-term immune system.
Scientists find why CP El Niño is harder to predict than EP El Niño
It's found that the skill scores for EP events were significantly better than those for CP events at all lead times.
Fine felted nanotubes
Due to their unique properties, carbon nanotubes would be ideal for numerous applications, but to date they cannot be combined adequately with other materials, or they lose their beneficial properties.
Considerable gap exists in US between having hearing loss and receiving medical evaluation treatment
Nearly a third of about 40 million adults in the United States who report hearing difficulties have not seen a specialist for their hearing problems.
What are the likely effects of Brexit on UK regions?
A new Papers in Regional Science article that highlights the possible implications of Brexit for the UK and its regions notes that the results for the UK economy may not be as damaging as some forecasters say.
Growing teeth and a backbone: Studies trace early origins of skeletal tissues
Two new studies on the evolutionary origin of teeth and of vertebra further illuminate the human connection to marine organisms that goes back millions of years.
Towards better understanding of railway ballast
Mathematical models are extremely limited at modeling ballast, the gravel layer located under railway tracks.
Temple researchers identify genetic factors linked to acquired narrowing of the airway
Endotracheal intubation and tracheotomy are widely used in the hospital setting for elective surgery and in cases of serious illness or critical injury.
High yield, protein with soybean gene
Soybean growers face a challenge. It has proved difficult to develop soybean varieties with both high protein levels and high yields.
Numerical infinities and infinitesimals open new horizons in computations and give unexpected answers to 2 Hilbert problems
In the last issue of the prestigious journal EMS Surveys in Mathematical Sciences published by the European Mathematical Society there appeared a 102 pages long paper entitled 'Numerical infinities and infinitesimals: Methodology, applications, and repercussions on two Hilbert problems' written by Yaroslav D.
The brains of children with a better physical fitness possess a greater volume of gray matter
Researchers from the University of Granada lead a worldwide pioneering study that confirms that physical fitness in children may affect their brain structure, which in turn may have an influence on their academic performance.
Cool lizards are better at learning socially
Bearded dragons which are incubated in colder environments are better at solving cognitive tasks as adults than incubated in warmer temperatures, according to new research published today.
How common are new cancers in cancer survivors?
One quarter of adults 65 or older and 11 percent of younger patients diagnosed with cancer from 2009 to 2013 had a prior cancer history.
Worldwide increase in methane bubbles due to climate change
Due to climate change, including rising temperatures, more and more methane is bubbling up from lakes, ponds, rivers and wetlands throughout the world.
Lower levels of microRNA 29 may protect from cardiac fibrosis rather than causing it
Cardiac fibrosis involves an increase of connective tissue in the cardiac muscle, causing a loss of function.
MRI shows brain differences among ADHD patients
Information from brain MRIs can help identify people with attention deficit hyperactivity disorder (ADHD) and distinguish among subtypes of the condition, according to a new study.
Low-salt & heart-healthy dash diet as effective as drugs for some adults with high blood pressure
A study of more than 400 adults with prehypertension, or stage 1 high blood pressure, found that combining a low-salt diet with the heart-healthy DASH diet substantially lowers systolic blood pressure -- the top number in a blood pressure test -- especially in people with higher baseline systolic readings.
Enhancing the quantum sensing capabilities of diamond
Researchers have discovered that dense ensembles of quantum spins can be created in diamond with high resolution using an electron microscopes, paving the way for enhanced sensors and resources for quantum technologies.
ID microstructure of stock useful in financial crisis
A German team from the University of Duisburg-Essen have analysed the statistical regularities and irregularities in the recent order flow of 96 different NASDAQ stocks.
Study examines individuals' perceptions of childbirth's effects on sexuality
Media reports have depicted vaginal birth as harmful and cesarean delivery as protective of sexuality, but research does not support these depictions.
Alcohol consumption and metabolic factors act together to increase the risk of severe liver disease
A new study provides insights into the interaction between alcohol consumption and metabolic factors in predicting severe liver disease in the general population.
Lung cancer triggers pulmonary hypertension
Nearly half of all advanced-stage lung cancer patients develop arterial pulmonary hypertension.
Scientists identify new marker of arthritis in mice
Researchers have discovered a new marker of arthritis in mice that can be used noninvasively to both identify joints with established arthritis and to predict subsequent joint swelling.
Weight before pregnancy linked with children's neurodevelopment
A recent Obesity Reviews analysis of published studies found that, compared with children of normal weight mothers, children whose mothers were overweight or obese prior to pregnancy had 17% percent and 51 percent increased risks for compromised neurodevelopmental outcomes, respectively.
New research suggests high-intensity exercise boosts memory
The health advantages of high-intensity exercise are widely known but new research from McMaster University points to another major benefit: better memory.
Leaving the house every day may help older adults live longer
In a Journal of the American Geriatrics Society study of community-dwelling individuals aged 70 to 90 years who were participating in the Jerusalem Longitudinal Study, leaving the house daily was linked with a lower risk of dying over an extended follow-up period, independent of social, functional, or medical factors.
Analysis provides reassurance on the safety of biosimilars
Biosimilars have been available in the European Union since 2006.
A material with promising properties
The Collaborative Research Centre CRC 1214 at the University of Konstanz has developed a method for synthesizing Europium (II) oxide nanoparticles -- a ferromagnetic semiconductor that is relevant for data storage and data transport.
Underwater acoustic localization of marine mammals and vehicles
Researchers at IMDEA Networks (Spain) in collaboration with University of Haifa (Israel) have developed an underwater acoustic system for the localization of marine mammals, underwater vehicles and other sound sources in the ocean, using no more than a single hydrophone (basically an underwater microphone) as a receiver.
Study examines the effects of a marijuana alternative
Synthetic cannabinoids (often sold as Spice or K2) have become popular alternatives to cannabis due to easy access and portrayed safety.
Strong hosts help parasites spread farther
Large, physically strong Masu salmon disperse farther when infected with parasites, potentially escaping from further infections at the contaminated site but ironically resulting in the greater expansion of the parasite, according to Hokkaido University researchers.
Sclerosis medicine can fight multi-resistant bacteria
A surprising discovery shows that a widely used and 20-year-old medicine used to treat multiple sclerosis can also beat a type of multi-resistant bacteria for which there are currently only a few effective drugs.
Dark matter and dark energy: Do they really exist?
Researchers have hypothesized that the universe contains a 'dark matter.' They have also posited the existence of a 'dark energy.' These two hypotheses account for the movement of stars in galaxies and for the accelerating expansion of the universe.
Ocean acidification affects mussels at early life stages
Mussels protect themselves against environmental disturbances and enemies through a hard, calcareous shell.
Felling pines: Doing it sooner rather than later is better for fynbos
Here's some advice for landowners wanting to remove pine trees in the hope of seeing fynbos plants on their properties again: do so before the trees have grown there for more than 30 years.
Bacteria as pacemaker for the intestine
For the first time, a research team from the Cell and Developmental Biology (Bosch AG) working group at the Zoological Institute at Kiel University (CAU) has been able to prove that the bacterial colonisation of the intestine plays an important role in controlling peristaltic functions.
Alzheimer's Tau protein forms toxic complexes with cell membranes
Alzheimer's disease is caused by tangles in the brain made up of malfunctioning aggregated Tau proteins.
Droplet explosion by shock waves, relevant to nuclear medicine
In a study published in EPJ D, Eugene Surdutovich from Oakland University, Rochester, Michigan, USA and colleagues have examined the possibility of observing the multi-fragmentation of small droplets due to shock waves initiated by ions that passed through them.
A huge hydrogen generator at the Earth's core-mantle boundary
The Earth is made up of a giant iron core, covered by a thick layer of silicate mantle and a thin coating of crustal rocks.
Managing antibiotics not enough to reverse resistance
Researchers at Duke University have discovered that reducing the use of antibiotics will not be enough to reverse the growing prevalence of antibiotic resistance because bacteria are able to share the ability to fight antibiotics by swapping genes between species.
Increased use of ambulatory surgery centers for cataract surgery
Over the past decade there's been a dramatic increase in the proportion of cataract surgeries performed at ambulatory surgery centers.
Do education and poverty affect knee surgery success?
In an Arthritis Care & Research study of individuals who underwent total knee replacement, those who did not attend college had worse pain and function after two years if they lived in poor communities, but educational level was not linked with pain or function in wealthy communities.
Smart people have better connected brains
Differences in intelligence have so far mostly been attributed to differences in specific brain regions.
Big data creates family tree of constitutions
Researchers have constructed a big data, evolutionary taxonomy of the world's constitutions resulting in a mathematically-derived genealogy of founding documents.
Opening windows and doors may improve sleep
A recent Indoor Air study found that opening windows or doors before going to bed can reduce carbon dioxide levels in bedrooms and improve sleep quality.
Schizophrenia drug development may be 'de-risked' with new research tool
Researchers have identified biomarkers that can help with development of better treatments for schizophrenia.
Study examines which adolescents benefit most from sleep interventions
In a recent study of adolescents, the benefits of cognitive-behavioral sleep interventions were greatest among individuals with higher levels of anxiety and depressive symptoms.

Best Science Podcasts 2017

We have hand picked the best science podcasts for 2017. Sit back and enjoy new science podcasts updated daily from your favorite science news services and scientists.
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This week, we're learning about the life and work of a groundbreaking physiologist whose work on learning and instinct is familiar worldwide, and almost universally misunderstood. We'll spend the hour with Daniel Todes, Ph.D, Professor of History of Medicine at The Johns Hopkins University, discussing his book "Ivan Pavlov: A Russian Life in Science."