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Science News for July 19, 2013


Regenstrief, IU study: Caregivers open to stopping cancer screening as dementia progresses

A study found that many family caregivers of older adults with dementia are willing to consider stopping cancer screening, which can reduce patient burden, healthcare costs, and family caregiver distress. Caregivers are most open to discussions when focusing on quality of life and burdens and benefits for the person with dementia.

SourceIndiana University·JournalJournal of the American Geriatrics Society·DateJul 19, 2013

Gene mutation in dogs offers clues for neural tube defects in humans

Researchers identified a gene mutation in dogs that is associated with neural tube defects in humans. The study found six cases of the mutation in human patients with spina bifida, suggesting a potential link between the dog gene and human neural tube defects.

SourceUniversity of California - Davis·JournalPLOS Genetics·DateJul 19, 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.

Lentivirus carrying target genes infects normal rat cochlea

A recent study used lentiviruses to deliver the Atoh1 gene to the cochlea of rats, resulting in increased transdifferentiation of supporting cells into hair cells. The treatment had no negative impact on auditory functions or hair cell numbers, suggesting a potential new approach for treating sensorineural hearing loss.

SourceNeural Regeneration Research·JournalNeural Regeneration Research·DateJul 19, 2013
Apple iPhone 17 Pro

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

Electroacupuncture is effective for post-stroke detrusor overactivity

A study found that electroacupuncture at specific points (Baliao and Huiyang) improved cystometric capacity, decreased detrusor leak point pressure, and treated post-stroke detrusor overactivity. The treatment significantly enhanced bladder function in patients with this condition.

SourceNeural Regeneration Research·JournalNeural Regeneration Research·DateJul 19, 2013

COPD increases risk of developing cerebral microbleeds

Researchers found that COPD increases the risk of developing cerebral microbleeds in deep or infratentorial brain regions. The study also showed that COPD is associated with both large and small vessel disease, indicating a potential impact on overall vascular health.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateJul 19, 2013

New report helps clinicians decide when to order vascular laboratory tests

The new report provides detailed criteria to optimize the use of noninvasive vascular tests in patients with venous disorders. Vascular testing is essential for diagnosing conditions like deep vein thrombosis and pulmonary embolism, which can be fatal if left untreated.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateJul 19, 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.

Controlling friction by tuning van der Waals forces

Scientists have found that the thickness of sub-surface layers affects frictional forces between two materials, allowing for new ways to control friction. By carefully designing layer structures, friction can be reduced by up to 30%.

SourceSaarland University·JournalPhysical Review Letters·DateJul 19, 2013

Nighttime heat waves quadruple in Pacific Northwest

Research reveals a significant increase in nighttime heat waves in the Pacific Northwest, with quadrupled events between 1980 and 2013. The study suggests high humidity plays a key role in triggering these extreme temperature events, which can have devastating health effects.

SourceUniversity of Washington·JournalJournal of Applied Meteorology and Climatology·DateJul 19, 2013

Rice researchers part of new LHC discovery

Researchers at Rice University have made a significant contribution to the Large Hadron Collider's (LHC) latest discovery, confirming the Standard Model's prediction of the rare B-sub-s meson decay. This finding eliminates any possibility that the decay is related to dark matter theories, such as supersymmetry.

SourceRice University·DateJul 19, 2013

Cheaper anti-cancer drug as effective as expensive drug in treating wet AMD

A two-year trial has shown that Avastin is equally effective to Lucentis in treating wet AMD, with better visual acuity and contrast sensitivity in the regular treatment group. The study, led by Queen's University Belfast, could lead to changes in treatment protocols and save the NHS £84.5m annually.

SourceQueen's University Belfast·JournalThe Lancet·DateJul 19, 2013
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

The genetic key to conquering cholera

A team of Harvard scientists has identified genetic areas in the genome that may help protect against cholera by regulating immune system functions and fluid loss. The study's findings suggest a new approach to understanding host immunity and developing vaccines and therapies for this deadly disease.

SourceHarvard University·JournalScience Translational Medicine·DateJul 19, 2013

Stem cell discovery furthers research on cell-based therapy and cancer

A new study by UCSF researchers has identified a key protein called BMI1 that plays a vital role in ensuring normal tissue development. The findings suggest that manipulating BMI1 could be a strategy for creating cell-based treatments to replace damaged tissues and potentially slow tumor growth.

SourceUniversity of California - San Francisco·JournalNature Cell Biology·DateJul 19, 2013

The hair of the dog

A team from Vienna has discovered that measuring cortisol in dog hair may be a simple and painless way to diagnose Cushing's disease. The study found significantly higher levels of cortisol, corticosterone, and cortisone in the hair of dogs with hyperadrenocorticism compared to healthy controls.

SourceUniversity of Veterinary Medicine -- Vienna·JournalVeterinary Dermatology·DateJul 19, 2013

First global atlas of marine plankton reveals remarkable underwater world

The first global atlas of marine plankton catalogues an estimated 100 trillion individual organisms, revealing surprising similarities in phytoplankton and zooplankton biomass. The open-source database will aid conservation efforts and inform computer models to predict climate change impacts.

SourceWoods Hole Oceanographic Institution·JournalEarth System Science Data·DateJul 19, 2013

Black bears return to Missouri indicates healthy forests

A study by University of Missouri-Columbia biologists reveals that hundreds of black bears inhabit southern Missouri's Ozark forests, indicating a return to healthy forests. The bear population is small but growing, and experts warn of potential conflicts with outdoor recreationists and homeowners.

SourceUniversity of Missouri-Columbia·JournalJournal of Mammalogy·DateJul 19, 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.

Overnights away from home affect children's attachments, U.Va. study shows

A new national study by University of Virginia researchers found that infants spending at least one night per week away from their mothers had more insecure attachments compared to those with fewer overnights or staying with fathers during the day. This raises concerns about the impact of parental separation on children's emotional con...

SourceUniversity of Virginia·JournalJournal of Marriage and Family·DateJul 19, 2013

Large coronal hole near the sun's north pole

A gigantic coronal hole has been observed by NASA's SOHO near the sun's north pole, providing valuable insights into space weather. The coronal hole is a dark region of the sun's corona with lower temperatures and appears much darker than its surroundings.

SourceNASA/Goddard Space Flight Center·DateJul 19, 2013
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Haste and waste on neuronal pathways

A team of researchers at ETH Zurich used high-resolution microelectrode arrays to measure axonal signal speed, finding significant variations within the same neuron. The study challenges the long-held assumption that axonal signal conduction is purely digital.

SourceETH Zurich·JournalNature Communications·DateJul 19, 2013

Study finds missing piece of pediatric cancer puzzle

A study published in PNAS found that dampening a feedback loop between a DNA repair checkpoint and its controlling pathways may promote tumor growth in pediatric solid tumors. This discovery provides new insights into the cause of childhood cancers and offers a potential target for future therapies.

SourceNationwide Children's Hospital·JournalProceedings of the National Academy of Sciences·DateJul 19, 2013

California's Mountain Fire

The Mountain Fire in California started on July 15 and has since spread to the San Jacinto Wilderness. As of July 18, the fire has burned over 22,800 acres with 15% containment.

SourceNASA/Goddard Space Flight Center·DateJul 19, 2013

Purple sunlight eaters

A protein found in ancient microorganisms that live in desert salt flats has been combined with semiconducting nanoparticles to create a system that uses light to spark a catalytic process creating hydrogen fuel. This bio-assisted hybrid photocatalyst outperforms many other similar systems in hydrogen generation.

SourceDOE/Argonne National Laboratory·JournalNano Letters·DateJul 19, 2013

Stanford expert says Internet's backbone can readily be made more sustainable

New research shows that most big data centers could slash their greenhouse gas emissions by 88% by switching to efficient equipment and improving energy management. Improving computing efficiency is the key factor, with renewable power helping reduce emissions by 98% when combined with other strategies.

SourceStanford University·JournalNature Climate Change·DateJul 19, 2013
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Desktop printing at the nano level

A new low-cost, high-resolution desktop nanofabrication tool enables the rapid production of high-quality materials and devices at the nanoscale. The tool produces working devices and structures in a matter of hours, making it a game-changer for fields like gene chip development and electronic circuit creation.

SourceNorthwestern University·JournalNature Communications·DateJul 19, 2013

Chinese herbal medicines are safe and effective for vascular dementia

A meta-analysis of Chinese herbal medicines for vascular dementia found that these treatments appear to be safer and more effective than control measures. The studies suggest that Chinese herbal medicine has good potential in the clinic for treating vascular dementia.

SourceNeural Regeneration Research·JournalNeural Regeneration Research·DateJul 19, 2013

If you're not looking for it, you probably won't see it

A study by Brigham and Women's Hospital found that expert radiologists were vulnerable to inattentional blindness, missing a gorilla in a scan. The researchers used eye-tracking technology to show that the majority of those who missed the gorilla looked directly at it.

SourceBrigham and Women's Hospital·JournalPsychological Science·DateJul 19, 2013

Disney Research develops method to provide tactile feedback in free air

Disney Research has developed AIREAL, a technology that uses controlled puffs of compressed air to create tactile effects in virtual environments. The system allows users to feel sensations such as textured surfaces and force feedback for gestures, opening up new possibilities for gaming and interactive experiences.

SourceDisney Research·DateJul 19, 2013

Tuberculosis genomes recovered from 200-year old Hungarian mummy

Researchers successfully recovered TB genomes from a 215-year-old mummy using metagenomics, revealing mixed-strain infections and strain lineages circulating in Europe for centuries. The study highlights the significance of mixed-strain infections and the effectiveness of metagenomics in tracking microbial evolution.

SourceUniversity of Warwick·JournalNew England Journal of Medicine·DateJul 19, 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.

Alternative target for breast cancer drugs

Researchers have found that elevated levels of a receptor protein called Ret are associated with lower survival rates in breast cancer patients. Inhibiting this protein may be a promising approach to treating the disease.

SourceEMBO·JournalEMBO Molecular Medicine·DateJul 19, 2013