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Science News for April 1, 2013


All water pills not equally effective against heart failure

Researchers at Yale University found that even though one of three approved loop diuretics offers more benefits, it is rarely prescribed due to cost concerns. The study compared the effectiveness of toresemide, furosemide, and bumetanide in treating heart failure.

SourceYale University·JournalJournal of the American College of Cardiology·DateApr 1, 2013

Extreme algal blooms: The new normal?

A research team led by Anna Michalak found that the 2011 record-breaking algal bloom in Lake Erie was triggered by long-term agricultural practices combined with extreme precipitation, weak lake circulation, and warm temperatures. The team predicts future mega-blooms unless scientifically guided management plans are implemented.

SourceCarnegie Institution for Science·JournalProceedings of the National Academy of Sciences·DateApr 1, 2013

Nothing fishy about it: Fish oil can boost the immune system

New research reveals that fish oil can enhance the function of white blood cells called B cells, contradicting previous assumptions of its only immunosuppressive properties. This discovery may lead to the use of fish oil among those with compromised immune systems.

SourceFederation of American Societies for Experimental Biology·JournalJournal of Leukocyte Biology·DateApr 1, 2013

Annals of Internal Medicine tip sheet for April 2, 2013

Researchers found that obese employees who received group-based financial incentives lost more weight than those with individual incentives. In contrast, higher blood levels of long-chain omega-3 polyunsaturated fatty acids protected against death, primarily due to reduced cardiovascular events.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateApr 1, 2013
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Personalized brain mapping technique preserves function following brain tumor surgery

Researchers at Penn Medicine developed a personalized brain mapping technique using diffusion tensor imaging (DTI) to preserve language, visual, and motor functions during brain tumor surgeries. This technique improved accuracy and extended survival in some cases, with a median survival time of 21.2 months.

SourceUniversity of Pennsylvania School of Medicine·JournalNeurosurgical FOCUS·DateApr 1, 2013

Can meditation make you a more compassionate person?

A recent study by Northeastern University found that meditation increases compassionate behavior, boosting responses to help others in need. The study, funded by the Mind and Life Institute, showed that meditation can alter the calculus of the moral mind, leading to more virtuous behavior.

SourceNortheastern University College of Science·JournalPsychological Science·DateApr 1, 2013

New models predict drastically greener Arctic in coming decades

Rising temperatures are expected to lead to a massive 'greening' of the Arctic, with wooded areas increasing by up to 50% over the next few decades. This dramatic change will accelerate climate warming at a rate greater than previously predicted, having significant impacts on the global ecosystem.

SourceWoodwell Climate Research Center·JournalNature Climate Change·DateApr 1, 2013

New technique shows promise in restoring near vision without glasses

A new study found that wearing OK contact lenses every night can restore age-related loss of near vision, allowing patients to read and perform up-close tasks without bifocals or reading glasses. The technique is safe and reversible, with the cornea returning to its previous shape after stopping lens wear.

SourceWolters Kluwer Health·JournalOptometry and Vision Science·DateApr 1, 2013

JCI early table of contents for April 1, 2013

Researchers at Yale University have identified a protein MKP-5 as a negative regulator of muscle stem cell function, enhancing muscle regeneration in a mouse model of Duchenne muscular dystrophy. Additionally, studies suggest that lactate supports neuronal function and may protect the brain during hypoglycemia.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 1, 2013
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Electroencephalography underused investigative tool in hospitals

A retrospective study found that nearly 80% of patients with in-hospital EEG had abnormal findings, including diffuse slowing and seizures. The study highlights the value of EEG in identifying treatable causes of impaired consciousness in non-critical hospitalized patients.

SourceElsevier Health Sciences·JournalMayo Clinic Proceedings·DateApr 1, 2013

Watching fluid flow at nanometer scales

Researchers have discovered that nanowires can naturally draw liquid upward in a thin film coating the wire's surface. This phenomenon has potential applications in inkjet printing, biomedical research, and microfluidic devices, enabling small-scale liquid transport and manipulation.

SourceMassachusetts Institute of Technology·JournalNature Nanotechnology·DateApr 1, 2013

Early COPD diagnosis possible with nuclear medicine

A new nuclear medicine technique can detect early changes to the lung caused by cigarette smoke exposure, providing a noninvasive method for studying lung dysfunction in preclinical models. This technique has the potential to be applied clinically to study and diagnose the early stages of COPD.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateApr 1, 2013
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Unique group for single fathers due to cancer offers support

A pilot program called Single Fathers Due to Cancer has been launched at the University of North Carolina Health Care to provide emotional support to men facing unique challenges after losing their partner to cancer. The group aims to address feelings of profound aloneness and provide a safe space for men to share advice and feedback.

SourceUniversity of North Carolina Health Care·JournalClinical Journal of Oncology Nursing·DateApr 1, 2013

Body mass index and coronary heart disease

Research from the Million Women Study found that every 5 unit increase in BMI increases CHD incidence by 23%, equivalent to a 2.5 year age increase. One in six obese women and one in eleven lean middle-aged women will develop CHD between ages 55-74, highlighting the importance of small lifestyle changes.

SourceBMC (BioMed Central)·JournalBMC Medicine·DateApr 1, 2013

Many emergency department providers don't ask suicidal patients about gun access

A study found that less than half of emergency room medical providers believe most or all suicides are preventable and rarely ask about firearm availability. This can lead to missed opportunities to save lives, as many providers think it's the responsibility of psychiatrists or social workers to address firearms.

SourceUniversity of Colorado Anschutz Medical Campus·JournalDepression and Anxiety·DateApr 1, 2013
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Over-diagnosis of reflux in infants leads to needless medication

A new study finds that frequent use of the gastroesophageal reflux disease label in infants leads to overuse of medication, causing needless expenses for families. The researchers concluded that parents' expectations of medication are driven by the doctor's words, which can make a normal process seem like a disease.

SourceMichigan Medicine - University of Michigan·JournalPEDIATRICS·DateApr 1, 2013

Models will enable safer deepwater oil production

Rice University researchers are developing a comprehensive model that predicts how brine, oil, and gas react to extreme temperatures and pressures. The model aims to provide companies with strategies to maintain flow and reduce risk in deepwater production.

SourceRice University·DateApr 1, 2013

Prostate cancer risk rises in men with inherited genetic condition

A new study links Lynch syndrome to a higher lifetime risk of prostate cancer and earlier age of onset, suggesting regular screening for men with the condition. The research estimates that men with Lynch syndrome have a 30% lifetime risk of developing prostate cancer, compared to 18% in the general population.

SourceMichigan Medicine - University of Michigan·JournalJournal of Clinical Oncology·DateApr 1, 2013

Geosphere adds 2 new special issue themes

The new themed issues explore the geological consequences of lithospheric removal in the Sierra Nevada, California, and the ignimbrite province and flareup swarms of subduction-related supervolcanoes. These events are linked to colossal explosive volcanic eruptions that spread ash across western Utah, Nevada, and eastern California.

SourceGeological Society of America·JournalGeosphere·DateApr 1, 2013

Adolescents' poor health behaviors raise risk of heart disease as adults

New research found that U.S. adolescents with poor health behaviors and unfavorable cardiovascular risk factors are at increased risk of developing heart disease in adulthood. The study analyzed data from over 4,700 adolescents aged 12-19 and found that nearly 80% had a poor diet, while less than 50% met the recommended levels for phys...

SourceAmerican Heart Association·DateApr 1, 2013
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Shedding light on early Parkinson's disease pathology

Researchers found movement deficits and loss of tyrosine-hydroxylase-positive fibers in the striatum, with no significant decrease in nigral dopaminergic neurons. The study suggests that gliosis in the substantia nigra plays a role in introducing dopaminergic deficits.

SourceIOS Press·JournalRestorative Neurology and Neuroscience·DateApr 1, 2013

University of Tennessee professor links massive prehistoric bird extinction to human colonization

Research by Alison Boyer found that nearly 983 land bird species became extinct between the first human arrival and European colonization due to overhunting, forest clearance, and introduced species. The study also reveals that flightless species were more likely to go extinct than those with flying abilities.

SourceUniversity of Tennessee at Knoxville·JournalProceedings of the National Academy of Sciences·DateApr 1, 2013

Crucial step in human DNA replication observed for the first time

For the first time, scientists have demystified a key step in human DNA replication by discovering how a sliding clamp loads onto DNA. The research reveals that a clamp loader quickly removes the clamp from DNA when polymerase is absent, allowing the polymerase to capture and complete the assembly of the holoenzyme.

SourcePenn State·DateApr 1, 2013
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Southern California sagebrush better suited to climate change, UCI study finds

A UCI study has found that Southern California sagebrush populations are more adaptable to climate change than those in the north. The researchers transplanted sagebrush from sites along the California coast to a test garden, measuring its responses to altered precipitation and long-term climate data.

SourceUniversity of California - Irvine·JournalGlobal Change Biology·DateApr 1, 2013

Organic labels bias consumers perceptions through the 'health halo effect'

A study by Cornell University's Food and Brand Lab found that organic labels significantly alter consumers' perceptions of taste, calories, and value. Participants who regularly read nutrition labels, buy organic food, or exhibit pro-environmental behaviors were less susceptible to the health halo effect.

SourceCornell Food & Brand Lab·JournalFood Quality and Preference·DateApr 1, 2013

Our internal clocks can become ticking time bombs for diabetes and obesity

New research using mice shows that disrupting our internal clocks can lead to a complete absence of 24-hour bodily rhythms, resulting in immediate weight gain. Proper sleep patterns are critical for healthy metabolic function, and even mild impairment in circadian rhythms can have serious health consequences.

SourceFederation of American Societies for Experimental Biology·JournalThe FASEB Journal·DateApr 1, 2013

Record-breaking 2011 Lake Erie algae bloom may be sign of things to come

A recent study suggests that the record-breaking 2011 Lake Erie algae bloom was caused by a combination of intense spring rainstorms and agricultural practices. The researchers used climate models to predict an increase in extreme precipitation events, which will likely fuel future massive blooms.

SourceUniversity of Michigan·JournalProceedings of the National Academy of Sciences·DateApr 1, 2013

By keeping the beat, sea lion sheds new light on animals' movements to sound

Researchers documented a California sea lion's ability to synchronize her head movements with music, challenging current theories on brain mechanisms that enable vocal mimicry. The study found that the sea lion could keep the beat even when metronome-like ticks missed a beat.

SourceAmerican Psychological Association·JournalJournal of Comparative Psychology·DateApr 1, 2013
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Feeding the world's future

The Feed the Future Innovation Lab for Collaborative Research on Grain Legumes aims to increase bean productivity and enhance nutritional quality in Sub-Saharan Africa, Central America, and the US. MSU researchers will support collaborative research, graduate student training, and address gender equity and climate change.

SourceMichigan State University·DateApr 1, 2013

Promoting muscle regeneration in a mouse model of muscular dystrophy

A study published in the Journal of Clinical Investigation found that loss of MKP-5 enhances muscle regeneration and prevents degeneration in a mouse model of Duchenne muscular dystrophy. The results suggest that inhibiting MKP-5 could be a useful therapeutic approach for treating degenerative muscle diseases.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 1, 2013

Feeding corn germ to pigs does not affect growth performance

Researchers at the University of Illinois found that feeding growing pigs diets containing up to 30% corn germ does not affect their growth performance or carcass quality. The study tested different inclusion rates and found no significant differences in any of the measured outcomes.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of Animal Science·DateApr 1, 2013

Successful once, protesters may hesitate to return to streets

Research by Adam Meirowitz and Joshua Tucker suggests that protesters may lose motivation to take to the streets if they experience repeated failure or corruption in a new government. The study proposes a dynamic model of protest, taking into account the uncertainty people face when dealing with unfamiliar democratic systems.

SourcePrinceton University·JournalAmerican Journal of Political Science·DateApr 1, 2013
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Researchers are first to use common virus to 'fortify' adult stem cells

Engineered stem cells produce US2 protein to increase survival by 59%, potentially improving treatment for bowel disease, traumatic brain injury, and organ transplants. The modified cells can modulate inflammation and promote healing, offering new hope for patients in need of regenerative therapies.

SourceAtrium Health Wake Forest Baptist·JournalPLOS ONE·DateApr 1, 2013

Streams stressed by pharmaceutical pollution

A new study found that pharmaceuticals, including antihistamines, alter biofilm communities in streams, leading to reduced photosynthesis and microbial respiration. The most striking effect was observed with diphenhydramine, which caused a 99% decrease in photosynthesis and changed bacterial species present in the biofilms.

SourceCary Institute of Ecosystem Studies·JournalEcological Applications·DateApr 1, 2013
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Geckos keep firm grip in wet natural habitat

Geckos keep firm grip in wet natural habitat by utilizing hydrophobic surfaces that stick similar to dry surfaces. Researchers developed a synthetic adhesive inspired by the ability of gecko pads to cling to wet and dry surfaces.

SourceUniversity of Akron·JournalProceedings of the National Academy of Sciences·DateApr 1, 2013

Drug for erectile disorder show promise in the treatment of obesity

Research published in The FASEB Journal found that sildenafil promotes healthy expansion and browning of white adipose tissue. This is achieved through the inhibition of cyclic GMP breakdown, which reduces pro-inflammatory hormones and shifts fat storage to 'brown' type.

SourceFederation of American Societies for Experimental Biology·JournalThe FASEB Journal·DateApr 1, 2013

Understanding statin discontinuation

A study by Brigham and Women's Hospital found that over 90% of patients who stopped taking statins due to adverse reactions were able to tolerate them again. The researchers examined clinical data from over 107,835 patients and identified a pattern where most people who experienced symptoms or events related to the drug stopped taking ...

SourceBrigham and Women's Hospital·JournalAnnals of Internal Medicine·DateApr 1, 2013

'RNA sponge' mechanism may cause ALS/FTD neurodegeneration

Researchers identify C9orf72 mutation as cause of ALS and FTD, finding it creates an RNA sponge that soaks up Pur alpha protein, leading to neurodegeneration. The study provides insight into the disease mechanism and suggests a potential therapeutic strategy targeting the toxic RNA or its interaction with Pur alpha.

SourceEmory Health Sciences·JournalProceedings of the National Academy of Sciences·DateApr 1, 2013

Is guided self-help effective in treating childhood obesity?

A new study by UC San Diego researchers found that a guided self-help treatment program can be an effective solution to help children lose weight. The program, which combines structure and self-help elements, showed significant decreases in BMI immediately after completion and maintained losses six months later.

SourceUniversity of California - San Diego·JournalPEDIATRICS·DateApr 1, 2013
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Alternative fuel for your brain

Researchers found that recurrent hypoglycemia enhances neuronal uptake of lactate, allowing the brain to retain normal neural activity. This suggests that lactate supports neuronal function and indicates potential benefits of supplementing alternative fuels during hypoglycemia.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 1, 2013

Hospitals measure up for Medicare reimbursement

For-profit hospitals have outperformed public and non-profit hospitals in treating stroke, heart attack, and pneumonia patients. Despite struggling initially, many public and non-profit hospitals are showing notable improvements in performance.

SourceNorthwestern University·JournalAnnals of Emergency Medicine·DateApr 1, 2013

Loss of tumor suppressor SPOP releases cancer potential of SRC-3

Researchers found that SPOP mutations allow SRC-3 to proliferate and spread prostate cancer cells. The loss of SPOP's tumor-suppressing function enables SRC-3's cancer-promoting effects, making it an important target for prostate cancer treatment.

SourceBaylor College of Medicine·JournalProceedings of the National Academy of Sciences·DateApr 1, 2013

Researchers find link between blood clotting, immune response

Rice University researchers have discovered a biochemical link between blood clotting and the immune system, which could lead to new treatments for patients with inflammatory diseases. The study found that a protein involved in blood clotting also triggers the body's immune response.

SourceRice University·JournalPLOS ONE·DateApr 1, 2013
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Genetics Society of America's Genetics journal highlights for April 2013

This April issue of the Genetics Society of America's journal features research on genotyping-by-sequencing, a novel gene silencing system in fungi, and the role of protein chaperone HSP90 in facilitating gene duplicate divergence. Additionally, studies explore genome integrity and RNA editing in mice.

SourceGenetics Society of America·JournalGenetics·DateApr 1, 2013

The metabolic weathervane of cancer

Researchers found that TRAP1 disrupts cancer cell metabolism, but inhibiting it could stimulate tumor progression. The protein regulates a metabolic 'switch' at the level of glucose digestion, which affects tumor stage and aggressiveness.

SourceUniversité de Genève·JournalProceedings of the National Academy of Sciences·DateApr 1, 2013
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Sorting out the structure of a Parkinson's protein

Scientists have long debated the structure of alpha synuclein, a protein associated with Parkinson's. A new study models its structure, finding that it can rapidly switch between different conformations. The researchers suggest that stabilizing an ordered structure could prevent aggregation and offer a new drug-design strategy.

SourceMassachusetts Institute of Technology·JournalJournal of the American Chemical Society·DateApr 1, 2013

Research deciphers HIV attack plan

Researchers deciphered previously unknown properties of transmitted HIV-1 viruses, revealing they are highly infectious and contain more envelope protein. The findings provide new insights into the biology of viral/host dynamics and may inform vaccine design.

SourceDOE/Los Alamos National Laboratory·JournalProceedings of the National Academy of Sciences·DateApr 1, 2013

Cash for weight loss? Works better when employees compete for pots of money, study finds

A new study found that group-based financial incentives for weight loss are significantly more effective than individual incentives. Group-based rewards led to nearly three times more weight loss among participants. The study suggests that peer pressure and competition can be powerful motivators in promoting healthy behaviors at work.

SourceMichigan Medicine - University of Michigan·JournalAnnals of Internal Medicine·DateApr 1, 2013
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Putting a human face on a product: When brand humanization goes wrong

A recent study published in the Journal of Marketing found that branding products with human characteristics can lead to a greater backlash when they fail. Consumers who believe in personality stability tend to have stronger negative feelings towards anthropomorphized brands. Companies should be aware of their target audience's beliefs...

SourceOregon State University·JournalJournal of Marketing·DateApr 1, 2013

Varicella vaccine has long-term effectiveness against chicken pox

A 14-year study found the varicella vaccine to be approximately 90% effective in preventing chicken pox, with a significant decrease in breakthrough cases over time. The second dose of varicella vaccine was found to be unnecessary for prevention of moderate to severe disease.

SourceKaiser Permanente·JournalPEDIATRICS·DateApr 1, 2013

Eating fish associated with lower risk of dying among older adults

A recent Harvard study found that consuming fish rich in omega-3 fatty acids significantly lowers the risk of mortality among older adults, with blood levels linked to extended lifespan. The research suggests that adequate omega-3 intake can extend years of remaining life.

SourceHarvard T.H. Chan School of Public Health·JournalAnnals of Internal Medicine·DateApr 1, 2013
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.