Top Science News Articles | Science Current Events this Week
The top science news articles and science news articles and current events, scientific discoveries, studies and research from the past week.
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Why dark chocolate is good for your heart
It might seem too good to be true, but dark chocolate is good for you and scientists now know why. Dark chocolate helps restore flexibility to arteries while also preventing white blood cells from sticking to the walls of blood vessels.
New study presents evidence that blood pressure should be measured in both arms
As heart disease continues to be one of the leading causes of death in the United States, practitioners and patients alike are looking for ways to cut risk factors and identify new clues to assist with early detection.
UNC researchers discover new target for dengue virus vaccine
By re-engineering a tiny chain of amino acids in one type of dengue virus, Ralph Baric and Aravinda de Silva discover a new path toward solving the dengue vaccine dilemma.
Decline of Bronze Age 'megacities' linked to climate change
Scientists from the University of Cambridge have demonstrated that an abrupt weakening of the summer monsoon affected northwest India 4,100 years ago.
Caffeine-based gold compounds are potential tools in the fight against cancer
The side effects of ingesting too much caffeine - restlessness, increased heart rate, having trouble sleeping - are well known, but recent research has shown that the stimulant also has a good side.
After death, twin brains show similar patterns of neuropathologic changes
Despite widespread use of a single term, Alzheimer's disease is actually a diverse collection of diseases, symptoms and pathological changes.
Experimental stroke drug also shows promise for people with Lou Gehrig's disease
Keck School of Medicine of USC neuroscientists have unlocked a piece of the puzzle in the fight against Lou Gehrig's disease, a debilitating neurological disorder that robs people of their motor skills.
Study shows why breastfed babies are so smart
Loads of studies over the years have shown that children who were breastfed score higher on IQ tests and perform better in school, but the reason why remained unclear.
A road map -- and dictionary -- for the arthropod brain
When you're talking about something as complex as the brain, the task isn't any easier if the vocabulary being used is just as complex.
Researchers trap moths with plant-produced sex pheromone
A collaborative experiment involving a Kansas State University biochemist may mark the beginning of an effective, environmentally friendly plant-based method of insect control.
Wits scientists debunk climate change myths
Wits University scientists have debunked two big myths around climate change by proving firstly, that despite predictions, tropical storms are not increasing in number.
Characterization of stink bug saliva proteins opens door to controlling pests
Brown marmorated stink bugs cause millions of dollars in crop losses across the United States because of the damage their saliva does to plant tissues.
Can a simple handshake predict cancer survival rates?
New acquaintances are often judged by their handshake. Research has now recognized the simple squeeze as an important diagnostic tool in assessing strength and quality of life among critical care patients.
Mayo Clinic Discovers African-Americans Respond Better to Rubella Vaccine
Somali Americans develop twice the antibody response to rubella from the current vaccine compared to Caucasians in a new Mayo Clinic study on individualized aspects of immune response.
Researchers find virtual computer-based world an effective learning environment
Boston University School of Medicine (BUSM) researchers have demonstrated the potential of using a virtual computer environment for distance healthcare education for an international audience that often has limited access to conventional teaching and training.
Personalized medicine has finally arrived -- or has it?
As the price for decoding a person's DNA keeps dropping, expectations for personalized medicine based on specific genetic profiling rise.
Major enigma solved in atmospheric chemistry
According to their results, these extremely low-volatile organic compounds consist of relatively large molecules which contain an almost equal number of carbon, oxygen, and hydrogen atoms.
Hubble Monitors Supernova In Nearby Galaxy M82
This is a Hubble Space Telescope composite image of a supernova explosion designated SN 2014J in the galaxy M82. At a distance of approximately 11.5 million light-years from Earth it is the closest supernova of its type discovered in the past few decades.
Screen Some Patients with Acute Pancreatitis for Pancreatic Cancer, Saint Louis University Researchers Suggest
In a study published in Clinical Gastroenterology and Hepatology, Saint Louis University researchers have found a link between acute pancreatitis (inflammation of the pancreas) and pancreatic cancer, a finding which may eventually lead to some pancreatic cancers being detected earlier.
Humans have a poor memory for sound
Remember that sound bite you heard on the radio this morning? The grocery items your spouse asked you to pick up? Chances are, you won't.
MIT researchers make a water filter from the sapwood in tree branches
If you've run out of drinking water during a lakeside camping trip, there's a simple solution: Break off a branch from the nearest pine tree, peel away the bark, and slowly pour lake water through the stick.
Don't throw out old, sprouting garlic -- it has heart-healthy antioxidants
"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.
Better remote-sensing explosive detectors: The beginning of the end of full-body scanners?
Standing in a full-body scanner at an airport isn't fun, and the process adds time and stress to a journey. It also raises privacy concerns.
New gas-phase compounds form organic particle ingredients
Scientists made an important step in order to better understand the relationships between vegetation and climate.
DNA test better than standard screens in identifying fetal chromosome abnormalities
A study in this week's New England Journal of Medicine potentially has significant implications for prenatal testing for major fetal chromosome abnormalities.
The importance of (experimental) design
One of the hottest debates in evolutionary biology concerns the origin of behaviour: is it genetically encoded or do animals and birds copy their parents or other individuals?
Entomologists update definitions to tackle resistance to biotech crops and pesticides
Resistance to pesticides has now been recorded in nearly a thousand pest species, including more than 500 insects, 218 weeds, and 190 fungi that attack plants.
New fast and furious black hole found
A team of Australian and American astronomers have been studying nearby galaxy M83 and have found a new superpowered small black hole, named MQ1, the first object of its kind to be studied in this much detail.
Antidote can deactivate new form of heparin
Low-molecular-weight heparin is commonly used in surgeries to prevent dangerous blood clots. But when patients experience the other extreme - uncontrolled bleeding - in response to low-molecular-weight heparin, there is no antidote.
SMA Unveils How Small Cosmic Seeds Grow Into Big Stars
New images from the Smithsonian's Submillimeter Array (SMA) telescope provide the most detailed view yet of stellar nurseries within the Snake nebula. These images offer new insights into how cosmic seeds can grow into massive stars.
Discovery in France of the New Guinea flatworm
One of the consequences of globalization and increased worldwide freight trade is the introduction of invasive alien species.
Vitamin A may help boost immune system to fight tuberculosis
Tuberculosis is a major global problem, affecting 2 billion people worldwide and causing an estimated 2 million deaths annually. Western countries are once again tackling the disease, with recent outbreaks in Los Angeles and London.
Simple lab-based change may help reduce unnecessary antibiotic therapy, improve care
A simple change in how the hospital laboratory reports test results may help improve antibiotic prescribing practices and patient safety, according to a pilot, proof-of-concept study published in Clinical Infectious Diseases and now available online.
Optoswitches turn pain off and sight on
Photoreactive compounds developed by LMU scientists directly modulate nerve-cell function, and open new routes to the treatment of neurological diseases, including chronic pain and certain types of visual impairment.
Closest, brightest supernova in decades is also a little weird
A bright supernova discovered only six weeks ago in a nearby galaxy is provoking new questions about the exploding stars that scientists use as their main yardstick for measuring the universe.
A cavity that you want
Associated with unhappy visits to the dentist, "cavity" means something else in the branch of physics known as optics.
Beaumont study: Gamma Knife helps patients with painful facial nerve disorder
Research by Beaumont Health System radiation oncologists and neurosurgeons found that symptoms of trigeminal neuralgia, or TN, a nerve disorder causing severe facial pain, were reduced in those treated with Gamma Knife stereotactic radiosurgery.
Childhood adversity launches lifelong relationship and health disadvantage for black men
Greater childhood adversity helps to explain why black men are less healthy than white men, and some of this effect appears to operate through childhood adversity's enduring influence on the relationships black men have as adults.
3-D microgels 'on-demand' offer new potential for cell research
Stars, diamonds, circles. Rather than your average bowl of Lucky Charms, these are three-dimensional cell cultures generated by an exciting new digital microfluidics platform, the results of which have been published in Nature Communications this week by researchers at the University of Toronto.
Reproductive coercion and intimate partner violence prevalent among women seeking medical care
Enough women experience reproductive coercion - male behavior to control contraception and pregnancy outcomes - that a research team now recommends health care providers address the subjects with their patients and tailor family planning discussions and recommendations accordingly.
Secondhand smoke exposure linked to adverse pregnancy outcomes
Secondhand smoking is linked with pregnancy loss, including miscarriage, stillbirth and tubal ectopic pregnancy, according to new research from scientists at Roswell Park Cancer Institute (RPCI) and the University at Buffalo (UB).
System-wide analyses have underestimated the importance of transcription in animals
Over the last ten years, a number of studies have suggested that, in animal cells, translation and protein turnover play a larger role in determining the different levels at which proteins are expressed than transcription.
Thirty-nine new species of endemic cockroach discovered in the southwestern US and Mexico
A genus of cockroach in the poorly studied family Corydiidae has been revised for the first time since 1920.
Pulling problem teeth before heart surgery to prevent infection may be catch-22
To pull or not to pull? That is a common question when patients have the potentially dangerous combination of abscessed or infected teeth and the need for heart surgery.
Low birth weight reduces ability to metabolize drugs
Researchers have identified another concern related to low birth weight - a difference in how the body reacts to drugs, which may last a person's entire life and further complicate treatment of illnesses or diseases that are managed with medications.
3D microgels 'on-demand' offer new potential for cell research
Rather than your average bowl of Lucky Charms, these are three-dimensional cell cultures generated by an exciting new digital microfluidics platform, the results of which have been published in Nature Communications this week by researchers at the University of Toronto.
CWRU researchers find byproducts from bacteria-causing gum disease incite deadly oral cancer growth
Researchers from Case Western Reserve University have discovered how byproducts in the form of small fatty acids from two bacteria prevalent in gum disease incite the growth of deadly Kaposi's sarcoma-related (KS) lesions and tumors in the mouth.
Strawberries lower cholesterol
A 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.
When Art and Science Collide - the masterpiece unmasked
Gallery owners, private collectors, conservators, museums and art dealers face many problems in protecting and evaluating their collections such as determining origin, authenticity and discovery of forgery, as well as conservation issues.
Uninsured parents don't take breastfeeding classes, even though breast is best
Just 12 percent of parents without insurance coverage take breastfeeding support classes that can offer crucial support and encourage new moms to breastfeed, according to a new University of Michigan C.S. Mott Children's Hospital National Poll on Children's Health.
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