Brightsurf Science News & Current Events

May 05, 2016
Study finds hospice use does not increase long stay nursing home decedents' care costs
Use of hospice services does not increase care costs in the last six months of life for long-stay nursing homes residents according to an analysis conducted by researchers from the Indiana University Center for Aging Research and the Regenstrief Institute.

Algorithm can improve guidance of crash victims to most appropriate place for care
New computer algorithm can provide important information on a motor vehicle crash to help ambulance personnel and hospital staff better direct crash victims to the most appropriate care.

'Super males' emerge from male-dominated populations, study finds
Males who evolve in male-dominated populations become far better at securing females than those who grow up in monogamous populations, according to new research into the behaviour of fruit flies at the University of Sheffield.

Understanding lock for cellular trap door may lead to better disease treatment
A team of researchers who two years ago announced a 'Trojan horse' method of entering a cell without harming it have now found, in effect, the lock to the cellular 'trap door.'

Research suggests diabetes drug acts differently from previous theories
A Mayo Clinic study suggests laboratory findings do not tell the whole story of how the diabetes drug metformin works to limit the level of glucose in the blood.

Researchers identify new pathway leading to Alzheimer's disease
A newly discovered pathway leading to neurodegeneration in Alzheimer's disease may unlock the door to new approaches for treating the disease.

Protein may predict response to immunotherapy in patients with metastatic melanoma
A protein called Bim may hold the clue to which patients may be successful on immunotherapy for metastatic melanoma, according to the results of a study by Mayo Clinic researchers led by senior author Haidong Dong, M.D., Ph.D., and published online in the May 5 edition of JCI Insight.

Older lung cancer patients experience excellent survival following surgery
Newly combined data offers a longer-term perspective on an increasingly growing population.

Antibody appears to attack cancer cells, leaving other cells unscathed
A research team from Duke Health has developed an antibody from the body's own immune system that preferentially attacks cancer cells.

MIT scientists compile list of potential gases to guide search for life on exoplanets
A new approach intended to maximize the chances of identifying planets orbiting nearby stars that support life focuses on creating a comprehensive list of the molecules that might be present in the atmospheres of these exoplanets.

From whales to silver foxes to refugees: EMILY robot is a lifesaver
She's tough -- capable of punching through 30-foot waves and riptides or smashing into rocks and reefs.

Potato plants trigger aboveground defenses in response to tuber attacks
Researchers at the Boyce Thompson Institute have discovered that certain potato plants boost the levels of defensive compounds in their leaves when Guatemalan tuber moth larvae attack their tubers.

Gene linked to Alzheimer's disease impairs memory by disrupting brain's 'playback system'
Scientists at the Gladstone Institutes have discovered how the major genetic risk factor for Alzheimer's disease causes memory impairment.

High blood pressure lowers significantly after drinking tart Montmorency cherry juice
Drinking tart Montmorency cherry juice significantly reduces high blood pressure at a level comparable to that achieved by medication, according to new research from Northumbria University, Newcastle.

Crossref to accept preprints in change to long-standing policy
Preprints will be registered by the Crossref member responsible for hosting the preprint.

No longer lost in translation: CSU biochemists watch gene expression in real time
Colorado State University biochemists have made a live-cell movie of RNA translation -- the fundamental cellular process by which a ribosome decodes a protein.

Extreme rainfall doesn't always mean extreme erosion, Penn study finds
Research by University of Pennsylvania researchers shows that, though extreme precipitation events can greatly increase the amount of water traveling through a river, large storms only move about 50 percent more sediment than a typical rainfall.

Floods and coastal erosion may expose contents of UK landfills, study finds
The contents of historic coastal landfill sites could pose a significant environmental threat if they erode, according to a new study from Queen Mary University of London (QMUL).

Superbug infections tracked across Europe
For the first time, scientists have shown that MRSA (methicillin-resistant Staphylococcus aureus) and other antibiotic-resistant 'superbug' infections can be tracked across Europe by combining whole-genome sequencing with a web-based system.

Significant portion of postdoc researchers eye non-academic careers, study shows
A new study from a Georgia Tech-Cornell University team shows that the research faculty path isn't the only reason students pursue a postdoc.

A filter that shaped evolution of primates in Asia
By studying fossils from southern China, scientists have gained insights into how primates in Asia evolved to resemble the array seen today.

A sex difference in sports interest: What does evolution say?
Sports are enormously popular, and one striking pattern is that boys and men are typically much more involved than are girls and women.

How a female sex hormone may protect against STIs: Study
Research reveals for the first time how estradiol, a female sex hormone present during the menstrual cycle and found in oral contraceptives, may work to protect women against sexually transmitted viral infections.

This week in BMJ Case Reports: paintballing injury, black henna tattoos, WW2 solider
This week in BMJ Case Reports: doctors describe the first case of a paintballing related liver injury; concerns over black henna tattoos; a motorcycle racer develops a rare condition; and injuries in a former WW2 soldier.

EARTH: Growth rings in rocks reveal past climate
Using rocks extracted from a soil trench, scientists have reconstructed a climate record for western North America.

Study: AF patients treated long term with warfarin at increased risk for dementia
New study of 10,000+ patients treated long term with the blood thinner, warfarin, reveals higher rates of dementia for patients with atrial fibrillation versus non-AF patients.

Researchers track critical development in the young brain
A recent study led by Doug Dean III of the Waisman Center at the University of Wisconsin-Madison and published in the journal NeuroImage combined two related but different imaging techniques to non-invasively track the rate at which nerve fibers in children's brains become wrapped in myelin.

Leonardo da Vinci's DNA: Experts unite to shine modern light on a Renaissance genius
A 'dream team' of eminent specialists from a variety of academic disciplines has coalesced around the goal of creating new insight into the life and genius of Leonardo da Vinci by means of authoritative new research and modern detective technologies, including DNA science.

Technique rapidly reveals individual gene function
A team of researchers led by Leonid Kruglyak have developed a technique using the gene editing system CRISPR to rapidly identify gene variants.

Rapid-response immune cells are fully prepared before invasion strikes
Through the use of powerful genomic techniques, researchers at the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) have found that the development of immune cells, called innate lymphoid cells (ILCs), gradually prepares these cells for rapid response to infection.

Broadly neutralizing antibodies improve immune response; clear HIV reservoirs
Two new studies reveal that administering a potent, broadly neutralizing antibody that binds to HIV evokes a strong immune response in humans, and can even accelerate the clearance of infected cells.

A crack in the mystery of 'oobleck' -- friction thickens fluids
By revealing missing details behind the odd behavior of a science fair favorite -- a soupy mixture known as 'oobleck' that switches back and forth between liquid and solid -- scientists from the National Institute of Standards and Technology (NIST) and Georgetown University could help to end a long-running scientific debate and improve processes ranging from pouring concrete to making better body armor.

Genetic variants in patients with crohn's disease prevent 'good' gut bacteria from working
A major type of inflammatory bowel disease (IBD) may be caused in part by genetic variants that prevent beneficial bacteria in the gut from doing their job, according to a new study published today in the journal Science.

Lung tumors hijack metabolic processes in the liver, UCI study finds
University of California, Irvine scientists who study how circadian rhythms -- our own body clocks -- control liver function have discovered that cancerous lung tumors can hijack this process and profoundly alter metabolism.

NASA taps Penn State geoscientist to join ancient Mars habitability project
When NASA began seeking new scientists to join its Curiosity Mars rover team, Penn State geoscientist Christopher House knew his experience could be a valuable asset to the project.

Climate change may contribute to rising rates of chronic kidney disease
Chronic kidney disease that is not associated with traditional risk factors appears to be increasing in rural hot communities as worldwide temperature progressively rises.

Why are women less likely to be prescribed statins than men?
Statins are equally effective at decreasing risk of coronary events in men and women, and yet women are less likely to be prescribed these cholesterol-lowering drugs than men.

RAND/Harvard study shows teledermatology increases patient access to specialized skin care
Teledermatology significantly improved access to specialized skin care for a group of patients that traditionally has limited options, according to an independent study led by researchers at the RAND Corporation and Harvard Medical School's Department of Health.

Intestinal worms boost immune system in a surprising way
While studying worm infections, EPFL scientists have discovered a surprising ability of the immune system.

New Zika mouse model accumulates virus in the brain and other tissues
The ongoing Zika virus (ZIKV) epidemic with its link to birth defects and serious immune disease has created an urgent need for a small animal model that can improve our understanding of how the virus causes disease symptoms in humans and speed up the development of vaccines and treatment.

Scientists to use microbes and methane to create sustainable Omega 3
Scientists are trying to find a new way to produce the nutritional fatty acids called Omega 3 that are currently sourced from fish oil from the world's declining natural fish stocks.

Timed-release glaucoma drug insert shows promise as alternative to daily drops
A medicated silicone ring that rests on the surface of the eye and slowly releases medication reduced eye pressure in glaucoma patients by about 20 percent over six months.

IU data scientists launch free tools to analyze online trends, memes
The power to explore social media trends, memes and viral bursts -- from the pop cultural to the political -- with the same algorithmic sophistication as top experts in the field is now available to journalists, researchers and members of the public from a free, user-friendly online software suite released today by scientists at Indiana University.

Gene cascade specifies 2 distinct neuron sets expressing Nplp1
A study of the embryonic nervous system of the fruit fly throws light on how two neuronal cell lineages that develop at different times and in different places in the ventral nerve cord of the embryo can ultimately result in very similar neuronal subtypes.

Drug combination could help reduce risk of death in type 2 diabetes
People with type 2 diabetes treated with insulin plus metformin had a reduced risk of death and major cardiac events compared with people treated with insulin alone, a new study by Cardiff University shows.

The price of IVF: Study examines financial savings vs. medical complication costs
A recent Vermont study may be the first nationwide to calculate the differences in infant hospital costs based on the number of embryos transferred at one time via in vitro fertilization.

Testing non-breast cancer genes in high-risk women leaves more questions than answers
Running large, multi-gene sequencing panels to assess cancer risk is a growing trend in medicine as the price of the technology declines and more precise approaches to cancer care gain steam.

Sepsis: Sneak attack or false alarm?
Severe bacterial infections can push the human body into sepsis, a life-threatening cascade of inflammation and cell death that can be difficult to cure.

Gene replacement therapy offers viable treatment option for fatal disease
Spinal muscular atrophy (SMA) is a disease that causes progressive degeneration in the nerve cells that control muscles, thereby causing muscle weakness and eventually death.

Measuring a black hole 660 million times as massive as our sun
It's about 660 million times as massive as our sun, and a cloud of gas circles it at about 1.1 million mph.

MD Anderson applauds extension of FDA regulatory authority to all tobacco products
The University of Texas MD Anderson Cancer Center fully supports new rules issued by the Food and Drug Administration (FDA) today to extend federal regulatory authority to all tobacco products, including electronic cigarettes, cigars, hookah and other previously unregulated tobacco products.

Preliminary results comparing PD-L1 IHC diagnostic assays in lung cancer released
A pre-competitive consortia of pharmaceutical companies, diagnostic companies, and academic associations, including the International Association for the Study of Lung Cancer (IASLC), announced phase I results of the 'BLUEPRINT PD-L1 IHC ASSAY COMPARISON PROJECT' at the Annual Meeting of the American Association for Cancer Research (AACR) on April 19.

IU-led study reveals new insights into light color sensing and transfer of genetic traits
An international team led by Indiana University researchers has uncovered the regulation of a system that allows a globally abundant bacterium to efficiently capture sunlight and perform photosynthesis.

Can believing you are a food addict affect your eating behavior?
Researchers from the University of Liverpool have published a paper regarding their work on how beliefs about food addiction can affect eating behavior.

New book on the p53 protein from Cold Spring Harbor Laboratory Press
'The p53 Protein: From Cell Regulation to Cancer' covers the rapid progress that has recently been made in basic and clinical research on p53.

Marine Corps teams with Sandia on microgrids and renewable energy planning
The US Marine Corps are the first boots on the ground in a crisis.

Oregon scientists link signaling network to heart valve defects
A cell-to-cell signaling network in mice that serves as a developmental timer that could provide a framework for better understanding the mechanisms underlying human heart valve disease, say University of Oregon scientists.

Expanding tropics pushing high altitude clouds towards poles, NASA study finds
A new NASA analysis of 30-years of satellite data suggests that a previously observed trend of high altitude clouds in the mid-latitudes shifting toward the poles is caused primarily by the expansion of the tropics.

Stem cell therapy shows potential for difficult-to-treat RA patient population
A study using a stem cell therapy to treat challenging refractory angina (RA) patients demonstrated promising results, including improved exercise time, reduced angina and reduced mortality.

Restoring leg blood flow is better option than exercise for PAD patients
Procedures to restore blood flow to the affected legs of peripheral artery disease (PAD) patients stopped progression of the scarring associated with the disease.

Temple study examines whether compression stockings can prevent post-thrombotic syndrome
Approximately half of people with deep vein thrombosis will develop post thrombotic syndrome.

Bisexual and questioning young women more susceptible to depression, Drexel study finds
Looking into the differences in mental health symptoms experienced by those in the LGBQ community, a team from Drexel's Department of Couple and Family Therapy found key disparities in the risks faced by certain groups.

Droughts can have detrimental impacts on aquatic invertebrates
At temporary stream sites, researchers found that just three types, or 'taxa,' of invertebrates remained following a long drought.

Bee model could be breakthrough for robot development
Scientists at the University of Sheffield have created a computer model of how bees avoid hitting walls -- which could be a breakthrough in the development of autonomous robots.

Our personal skin microbiome is surprisingly stable
Despite regular washing and contact with bacteria-laden objects, our personal milieu of skin microbes remains highly stable over time, reports a metagenomics study published May 5 in Cell.

Identification of a gene signature associated with dilated cardiomyopathy
A study in this issue of JCI Insight identifies a gene signature that characterizes the transition from dilated cardiomyopathy to heart failure.

Vaccination under the influence of estradiol increases vaginal antiviral immunity
When it comes to sexually transmitted infections, some female hormones are protective while others make women more susceptible.

Preventing asthma in children: University of Arizona researchers are 1 step closer
Efforts to improve the health of children at increased risk for asthma will receive a major boost with the launch of a new University of Arizona Health Sciences-led, federally funded national clinical study.

River shaping from floods happens in moderation
An assessment of rivers in the US suggests that although there is a relationship between increased flood size and erosion, the effect is most pronounced for moderate floods.

Pond scum and the gene pool: A critical gene in green algae responsible for multicellularity
Brad Olson, assistant professor in the Division of Biology; Erik Hanschen, doctoral student at the University of Arizona; Hisayoshi Nozaki, University of Tokyo; and an international team of researchers found a single gene is responsible for the evolution of multicellular organisms and may be a possible origin of cancer.

Improvements to online health information can help reduce barriers to care for pancreatic cancer
New research from Beth Israel Deaconess Medical Center published today in JAMA Surgery suggests that online information about pancreatic cancer is often written at a prohibitively high reading level and lacks accuracy concerning alternative therapies.

Improved insulin signaling reduces atherosclerosis in mouse models
In this issue of JCI Insight, a team led by George King of Harvard Medical School shows that increased insulin signaling in the endothelium of atherosclerosis-prone mice reduces development of disease and improves aorta function.

Type 2 diabetes drug trials unnecessarily exclude women
While women who are pregnant, or breastfeeding or who may become pregnant are often excluded from clinical trials for type 2 diabetes drugs, the exclusion is frequently not based on the risk of fetal harm, according to Penn State College of Medicine researchers and may be contributing to the underrepresentation of women in clinical trials and an incomplete understanding of the effects of drugs on women who become pregnant unexpectedly.

Study finds link between handedness and mathematical skills
A link between handedness and mathematical skills exists, but is more complex than is thought according to a study by the University of Liverpool.

Advances in medical care have led to type 1 diabetes boom
Researchers from the University of Adelaide say the global increase in cases of type 1 diabetes is directly linked to advances in medical care, with the underlying genetics of the disease more likely to be passed from one generation to the next.

Immune cell subset is associated with development of gastrointestinal GVHD after HSCT
In this issue of JCI Insight, researchers led by Sophie Paczesny of Indiana University School of Medicine report the identification of a subset of immune cells that express the protein CD146 and are increased in patients that went on to develop GI-GVHD prior to the onset of clinical symptoms.

Scientists are first to discover sensory system that detects air humidity
Most insects have dedicated sensory systems to detect water vapor in the air, but little has been known about how they work.

Two NASA sounding-rocket missions to explore coronal nanoflares and escaping atoms
Two new sounding-rocket missions funded by NASA's Heliophysics Technology and Instrument Development for Science, or H-TIDeS, program, scientists at NASA's Goddard Space Flight Center in Greenbelt, Md., plan to learn more about two little-understood processes.

Two-minute warnings make kids' 'screen time' tantrums worse
Giving young children a two-minute warning that 'screen time' is about to end makes transitions away from tablets, phones, televisions and other technological devices more painful, a new University of Washington study has found.

Study links sleep duration and frequent snoring to poorer breast cancer survival
A new study reports that short sleep duration combined with frequent snoring reported prior to cancer diagnosis may influence subsequent breast cancer survival.

That new baby isn't imitating you
For decades, there have been studies suggesting that human babies are capable of imitating facial gestures, hand gestures, facial expressions, or vocal sounds right from their first weeks of life after birth.

Study contradicts belief that cancer protects against Alzheimer's
Despite studies that claim people with cancer are less likely to develop Alzheimer's disease -- raising the possibility that what triggers cancer also prevents the neurodegenerative disorder -- a new investigation finds a more somber explanation.

Researchers analyze potentially hazardous dental drill debris under composite fillings
While dental drills, or burs, are used extensively in dentistry to mechanically prepare tooth structures for fillings, little is known about the bur debris left behind in the teeth and whether it poses potential health risks to patients.

Research collaboration IDs serum biomarkers that predict preclinical IBD development and complications
Years before inflammatory bowel disease (IBD) is diagnosed and symptoms exist, biomarkers are already circulating that can help predict risk not only of disease development but also of complications.

Portable artificial vision device may be an effective aid for patients with low vision
In a small study that included 12 legally blind participants, use of a portable artificial vision device improved the patient's ability to perform tasks simulating those of daily living, such as reading a message on an electronic device, a newspaper article or a menu, according to a study published online by JAMA Ophthalmology.

Depressed moms not 'in sync' with their children
Mothers with a history of depression are not physiologically 'in sync' with their kids, according to a new study from Binghamton University.

World's shallowest slow-motion earthquakes detected offshore of New Zealand
Research published in the May 6 edition of Science indicates that slow-motion earthquakes or 'slow-slip events' can rupture the shallow portion of a fault that also moves in large, tsunami-generating earthquakes.

'Biggest loser' study reveals how dieting affects long-term metabolism
While it's known that metabolism slows when people diet, new research indicates that metabolism remains suppressed even when people regain much of the weight they lost while dieting.

Doctors call for single-payer health reform, cite need to move beyond Affordable Care Act
In a dramatic show of physician support for deeper health reform -- and for making a decisive break with the private insurance model of financing medical care -- 2,231 physicians are calling for a publicly financed, single-payer national health program that would cover all Americans for all medically necessary care.

Antibody targets and destroys cells implicated in systemic lupus erythmatosis
In this issue of JCI Insight, research groups led by Ian Wicks of the University of Melbourne and Nicholas Wilson of CSL Limited developed an antibody (CSL362) directed against the surface molecule CD123 that targets and depletes pDCs and other cells implicated in SLE.

Staging system to explain complexity, manage expectations in revision rhinoplasty
Can a staging system -- much like one used to classify cancerous tumors -- help facial plastic surgery patients understand the complexity of their revision rhinoplasty and help to manage their expectations?

New edition of book showcases the best in southern California medical education
Kochar's Clinical Medicine for Students was first written 35 years ago to provide students with a moderately sized, portable clinical textbook.

Sea star juveniles abundant, but recovery is anything but guaranteed
An unprecedented number of juvenile sea stars have been observed off the Oregon coast over the past several months -- just two years after one of the most severe marine ecosystem epidemics in recorded history nearly wiped the population out.

Role of poly(A) tails in mitosis
Researchers working at the IBS Center for RNA Research have shown that translation efficiency and poly (A) tail length are not linearly correlated and only coupled in limited range.

NASA-NOAA's Suomi NPP satellite sees massive Alberta wildfire day and night
NASA-NOAA's Suomi National Polar-orbiting Partnership satellite (S-NPP) carries an instrument so sensitive to low light levels that it can detect wildfires in the middle of the night as well as during the daytime.

Progress and promise of gene transfer and gene editing to cure beta-thalassemias
Promising results from the first clinical trials of globin gene transfer to treat beta-thalassemias-inherited forms of anemia have eliminated the need for blood transfusions in some individuals.

Study finds cardiac ablation doesn't reduce atrial fibrillation risk for patients with syndrome
Patients with Wolff-Parkinson-White syndrome who receive catheter ablation to cure their abnormal heart rhythms are just as likely as non-ablated patients to develop atrial fibrillation no matter what age they receive ablation, according to new study.

Tension-sensitive molecule helps cells divide chromosomes accurately
A tension-sensitive 'fail safe' protein helps make sure that when our cells divide the two resulting cells inherit the normal number of chromosomes.

Emerging research investigates mango's health properties
Four new studies surrounding the effects of mango consumption suggest this superfruit has the potential to help combat adverse effects associated with high fat diets and obesity (animal study), as well inhibit growth of fat cells (anti-lipogenic properties in an in-vivo study), slow advancement of breast cancer tumors (animal study), as well as improve regularity and decrease inflammation associated with constipation (human subject study).

Study points to therapeutic target for common and aggressive ovarian cancer
Small, non-coding molecules called microRNAs are known to play an important role in cancer development.

A study shows how the brain switches into memory mode
Researchers from Germany and the USA have identified an important mechanism with which memory switches from recall to memorization mode.

Recipients of 2016 Gruber Cosmology Prize announced
The 2016 Gruber Foundation Cosmology Prize recognizes Ronald Drever, Kip Thorne, Rainer Weiss, and the entire Laser Interferometer Gravitational-Wave Observatory (LIGO) discovery team for the first observation of gravitational waves, ripples in space-time predicted by Einstein a century ago.

UCI astronomers determine precise mass of a giant black hole
University of California, Irvine astronomers have derived a highly precise measurement of the mass of a black hole at the center of a nearby giant elliptical galaxy.

MDI Biological Laboratory offers course in quantitative fluorescence microscopy
Science professionals, doctoral and postdoctoral students from across the country will gather May 20 through 27 at the MDI Biological Laboratory in Bar Harbor, Maine, for an intensive one-week course in Quantitative Fluorescence Microscopy.

Deep male voices not so much sexy as intimidating
Male voices are not deeply pitched in order to attract female mates, but instead serve to intimidate the competition, according to a team of researchers studying a wide variety of primates including humans.

New app supports top women's health, obstetric and neonatal publications
A new app from the Association of Women's Health, Obstetric and Neonatal Nurses (AWHONN) and publisher Elsevier Inc. helps to share cutting-edge research on women's health, obstetric, and neonatal nursing.

New technique can provide better cell transplants against Parkinson's disease
Researchers at Lund University in Sweden have used a completely new preclinical technique and analysis of tissue from patients to show exactly what happens when certain patients with Parkinson's disease are restored as a result of nerve cell transplants.

ALMA measures mass of black hole with extreme precision
Using ALMA, a team of astronomers has delved remarkably deep into the heart of a nearby elliptical galaxy to study the motion of a disk of cold interstellar gas encircling the supermassive black hole at its center, providing one of the most accurate mass measurements to date for a black hole outside of our galaxy.

Six new fossil species form 'snapshot' of primates stressed by ancient climate change
These primates eked out an existence just after the Eocene-Oligocene transition, when drastic cooling slashed their populations, rendering discoveries of such fossils especially rare.

First gene linked to temperature sex switch
The sex of many reptile species is set by temperature.

Multiplexed immunofluorescence reveals protein expression alterations in breast cancer
A new study in JCI Insight reports the use of a multiplexed immunostaining platform to examine the protein expression within breast tumors.

Now 40, NASA's LAGEOS set the bar for studies of earth
On May 4, 1976, NASA launched a cannonball-shaped satellite that transformed studies of Earth's shape, rotation and gravity field.

The cause of high Tc superconductivity at the interface between FeSe and SrTiO3
In 2012 a superconductor with potentially very high critical temperature was discovered at the interface between an atomically thin iron selenide (FeSe) film grown on strontium titanate (SrTiO3) substrate.

Immunization rates climb when pediatricians have easy access to vaccination records
Exchange of immunization data between a centralized city immunization registry and provider electronic health records led to significant improvements in pediatric immunization coverage, a reduction in over-immunization for adolescents, and increased completeness of immunization records, according to a latest study.

Getting a better measure of spin with diamond
Diamonds are one of the most coveted gemstones. But while some may want the perfect diamond for its sparkle, physicists covet the right diamonds to perfect their experiments.

Free-standing 2-legged robot conquers terrain
An unsupported bipedal robot at the University of Michigan can now walk down steep slopes, through a thin layer of snow, and over uneven and unstable ground.

Treatment with Alk5 inhibitor improves tumor uptake of imaging agents
In this issue of JCI Insight, Heike Daldrup-Link of Stanford University and colleagues demonstrate that pre-treatment with an activin-like kinase 5 (Alk5) inhibitor enhances tumor-specific delivery of the contrast agent ferumoxytol.

Sylvester researchers develop novel disease model to study multiple myeloma
Researchers at Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine have developed an animal model that allows them to better understand the mechanisms that lead to the development of multiple myeloma, a hematologic cancer of plasma cells, and the amyloidosis that sometimes accompanies it.

Smartphone app for monitoring heart palpitations is comparable to 14-day event monitor
A smartphone app that tracks palpitations in heart patients provides comparable performance to the 14-day event monitors that are the current standard of care, according to a University at Buffalo study.

Scientists watch bacterial sensor respond to light in real time
Researchers have made a giant leap forward in taking snapshots of ultrafast reactions in a bacterial light sensor.

New study shows we are bad judges of friendship
A new joint study from Tel Aviv University and MIT says only half of your friends would consider you their friend.

Animal study shows flexible, dissolvable silicon device promising for brain monitoring
An implantable brain device that literally melts away at a pre-determined rate minimizes injury to tissue normally associated with standard electrode implantation.

Cells check DNA segregation at the end of their division
Researchers at the Centre for Genomic Regulation (CRG) in Barcelona, Spain, are shedding new light on the cell division process, key in embryonic development, and the growth and proliferation of tumors.

Elderly women more likely to be overprescribed prescription drugs: UBC study
Nearly one in three B.C. women over age 65 received inappropriate prescription medicines in 2013, according to a UBC study.

Come to think of it or not: Study shows how memories can be intentionally forgotten
Context plays a big role in our memories, both good and bad.

Fastest-ever molecular imaging reveals reaction crucial for vision
Scientists have tracked the reaction of a protein responding to light, paving the way for a new understanding of life's essential reactions.

Processed fat cells show potential as treatment for refractory ischemia patients
Patients treated with processed autologous adipose-derived regenerative cells injected into the heart muscle demonstrated symptomatic improvement and a trend towards lower rates of heart failure hospitalizations and angina, despite no improvement in left ventricle ejection fraction or ventricular volumes.

Trypanosomes evade detection by swapping coat proteins through chromosomal rearrangement
African trypanosomes establish deadly, chronic infections of trypanosomiasis in the bloodstream by using repetitive 70-bp regions in the genome to regularly change out the active coat protein gene.

Achieving fish biomass targets: The key to securing a sustainable future for coral reefs
Scientists from WCS (Wildlife Conservation Society), University of Queensland, James Cook University, and Macquarie University have completed a massive study that will help communities and countries of the Western Indian Ocean measure and restore fish populations while identifying the best policies for achieving global sustainable and conservation targets.

Speedy ion conduction in solid electrolytes clears road for advanced energy devices
A team led by the Department of Energy's Oak Ridge National Laboratory used state-of-the-art microscopy to identify a previously undetected feature, about 5 billionths of a meter (nanometers) wide, in a solid electrolyte.

Split-second imaging reveals molecular changes involved in vision
A team of UWM physicists image a never-before-seen molecular reaction as a light-sensitive protein responds to light.

Breastfeeding is good for yet another reason, researchers discover
A mother's breast milk supports immune responses in her newborn that help the infant's gut become a healthy home to a mix of bacterial species, thanks in part to newly identified antibodies from the mother, according to a study by UC Berkeley researchers.

Thinking differently could affect power of traumatic memories
Using a thinking technique called 'concrete processing' could reduce the number of intrusive memories experienced after a traumatic event.

Molybdenum disulfide holds promise for light absorption
Using a layer of molybdenum disulfide less than 1 nanometer thick, Rice University researchers in Isabell Thomann's lab have designed a system that can absorb more than 35 percent of incident light in the 400- to 700-nanometer wavelength range.

Starving cancer the key to new treatments
Researchers have identified a vital supply route that cancer cells use to obtain their nutrients, in a discovery that could lead to new treatments to stop the growth of tumors.

Antibodies in breast milk help newborn mice tolerate good gut microbes
From the moment of birth, a newborn's gut is colonized by microbes that aid digestion and boost immunity.

Exploiting male killing bacteria to control insects
A team of scientists have discovered a key mechanism that drives a bacteria that kills male insects, a development that could potentially be exploited to control insect pest species in the future.

Research findings reveal potential to reverse cancer-related nerve pain
A study providing new information about neuropathic pain afflicting some 90 percent of cancer patients who have had nerve damage caused by tumors, surgery, chemotherapy or radiation indicates gene therapy as a possible treatment.

Scientists develop bee model that will impact the development of aerial robotics
Scientists have built a computer model that shows how bees use vision to detect the movement of the world around them and avoid crashing.

Analysis of more than 1.5 million people finds meat consumption raises mortality rates
A review of large-scale studies involving more than 1.5 million people found all-cause mortality is higher for those who eat meat, particularly red or processed meat, on a daily basis.

Portable device worn on eyeglasses offers hope for people with low vision
A miniature camera using optical character-recognition technology, mounted onto the eyeglasses of people who are considered legally blind, dramatically improves their ability to read an email, newspaper article, menu or page in a book, a study by researchers with UC Davis Health System has found.

Why vultures matter -- and what we lose if they're gone
The primary threat to vultures is the presence of toxins in the carrion they consume.

'Slow' NZ seabed quake sheds light on tsunami-earthquake mechanism
Seismologists recorded a slow slip event in a shallow area of plate boundary at the Hikurangi margin off the northeast shore of New Zealand, showing for the first time that such slippage can occur near troughs.

T cells use 'handshakes' to sort friends from foes
Chemists provide the first direct evidence that a T cell gives precise mechanical tugs to other cells, and demonstrate that these tugs are central to a T cell's process of deciding whether to mount an immune response.

NRL completes ICEX2016 expedition, mapping of Arctic ice
NRL scientists from the Marine Geoscience Division concluded a month-long sea-ice research expedition as part of the Navy's 2016 ICe Exercise (ICEX) designed to develop a comprehensive understanding of the physical structure and evolution of Arctic sea-ice.

Simulation of prehistoric population dynamics using current topographical satellite data
An accurate method to simulate prehistoric movements of people based upon current topographical satellite data may prove useful in determining early human population dynamics even when no genetic information is available.

Study finds improvements in warfarin use for AF treatment necessary for kidney & heart health
Atrial fibrillation patients taking warfarin, a popular anticoagulation drug, are at higher risk of developing kidney failure if anticoagulation levels are not properly managed, according to a new study.

SkinTrack technology turns arm into smartwatch touchpad
Ever since the advent of smartwatches, technologists have been looking to expand interactions beyond the confines of the small watch face.

New method helps diagnose neurological disorder that requires early treatment
Researchers have developed a quick and simple method for measuring bile acids in biological fluids that can be used to rapidly diagnosis a severe fat storage disorder that can lead to liver disease in infancy and neurological dysfunction starting in childhood or early adult life.

Weight loss surgery boosts good cholesterol in obese teen boys
Weight loss surgery boosted levels of HDL 'good' cholesterol and improved measures of HDL function in severely obese teenage boys. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to