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Science News Archive May 2015


Page 23 of 31

The influence of increased atmospheric CO2 concentration on European trees

A study of European trees found that they have increased their water-use efficiency by 14% for broadleaf and 22% for coniferous species since the 20th century. However, despite this adaptation, forest transpiration rates have still risen by 5% over the same period due to a warmer environment and longer growing seasons.

ACP calls for policies to support transgender rights, same-sex marriage

The American College of Physicians recommends comprehensive transgender health care services in health benefits plans and civil marriage rights for same-sex couples. The organization also opposes 'conversion' therapy and aims to eliminate disparities in healthcare access for LGBT individuals.

A climate signal in the global distribution of copper deposits

Researchers found that climate-driven erosion influences the age and abundance of exposed copper porphyry deposits globally. The study used data on the age and number of exposed deposits to compare with climate patterns, revealing a strong connection between erosion rates and deposit distribution.

A fine-tuned approach improves platelet generation from stem cells

Researchers at St. Jude Children's Research Hospital have successfully generated functional platelets from murine embryonic stems using a fine-tuned approach. This breakthrough could lead to a donor-independent source of platelets, reducing the need for volunteer donors and addressing platelet shortages.

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.

Antibiotic-resistant typhoid detected in countries around the world

A landmark genomic study reveals a single clade of typhoid bacteria, H58, is driving global spread, displacing other strains and creating a previously underappreciated epidemic. The study highlights the urgent need for global surveillance and coordinated efforts to prevent and control antimicrobial-resistant typhoid.

Apple iPhone 17 Pro

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

Nurses cut stress 40 percent with relaxation steps at work

A workplace mindfulness-based intervention reduced stress levels of ICU nurses by 40%, according to a new Ohio State study. The 8-week program included mindfulness, gentle stretching, yoga, meditation and music, and significantly decreased salivary alpha-amylase levels, a biomarker of sympathetic nervous system activation.

Scientists obtain precise estimates of the epigenetic mutation rate

Researchers have obtained the first precise estimates of how often epigenetic marks appear or disappear in the plant Arabidopsis thaliana. The study found that epigenetic mutations are about 100,000 times more likely than DNA sequence mutations and nearly all are neutral, not affecting gene expression.

Study links father's age and risk of blood cancer as an adult

A recent study found a strong association between paternal age and the risk of hematologic cancers in adults, with those having older fathers being 63% more likely to develop these cancers. The study suggests that exposure to infections in childhood may play a role in immune system development and cancer risk.

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.

Noul makes landfall in Philippines, thousands flee

Super Typhoon Noul made landfall in Santa Ana, Cagayan, with over 2,500 residents evacuated due to high winds and power outages. The storm is expected to weaken as it moves towards southern Japan and Taiwan.

Gulf of Maine red tide bloom expected to be similar to past 3 years

New England's spring and summer red tides will be similar in extent to those of the past three years, according to the 2015 Gulf of Maine red tide seasonal forecast. The forecast is part of a larger NOAA effort to deliver ecological forecasts that support human health and well-being.

For biofuels and climate, location matters

A new study published in Nature Climate Change shows that growing biofuel crops can have a significant impact on climate depending on the location and crop type. The study found that the most important factor influencing the direct climate impact of biofuels is location, accounting for 90% of the variation in greenhouse gas emissions.

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.

The Lancet: New study reveals 40 million deaths a year go unrecorded

A new study by The Lancet reveals that two-thirds of global deaths and one-third of births go unreported. This lack of data hampers informed policy-making and decision-making, leading to lost opportunities to improve population health. Mobile phone data collection and technology advances are proposed as solutions to crack the problem.

New report: First compilation of global addictions

The Global Statistics on Addictive Behaviours report found that Australia has lower rates of tobacco use and alcohol abuse compared to the UK. Illicit drug use is significant in Australia, with higher rates of cannabis, ecstasy, and amphetamine-type drug use.

TSRI researchers investigate an enzyme important for nervous system health

Researchers at Scripps Research Institute have mapped the structure of an enzyme important for nervous system development. The new structure provides crucial information on how the protein binds to cellular components, shedding light on its role in neurodegenerative diseases such as retinal dystrophy and Joubert syndrome.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Noise produces volcanic seismicity, akin to a drumbeat

Researchers found that external noises can induce volcanic activity by inducing stick-slip behavior, causing large-amplitude oscillations and high seismicity. The study used experimental data from Mount St. Helen's eruption to demonstrate the link between noise intensity and drumbeat-type plug movement.

For children with autism, trips to the dentist just got easier

Researchers from USC and CHLA found that adapting dental environments to be more calming for children with autism spectrum disorder significantly reduced psychological anxiety and pain intensity. The study used sensory adaptations such as soothing music, gentle lighting, and deep-pressure hugs to create a comfortable environment.

Toddlers understand sound they make influences others, research shows

Researchers found that toddlers, especially those with siblings, understand the behavioral effects of different types of sound on others. Children made loud noises to wake up the doll and quieter noises to let it sleep, showing they understood how their sounds influenced social interactions.

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Cardiovascular risk factors extremely high in people with psychosis

A UK study reveals extremely high rates of cardiovascular risk factors in people with psychosis, including obesity and metabolic syndrome. The research highlights the importance of incorporating weight and cardiovascular risk assessment into routine care, as well as promoting healthy lifestyles.

Advanced viral gene therapy eradicates prostate cancer in preclinical experiments

Researchers developed a unique approach using microscopic gas bubbles to deliver directly to cancer cells a viral gene therapy in combination with an experimental drug. The treatment strategy used a novel 'cancer terminator virus' and demonstrated enhanced prostate cancer cell death while sparing healthy cells in preclinical experiments.

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.

Did ocean acidification cause marine mollusc extinction?

A new study led by University of Southampton researchers suggests that ocean acidification may not have caused the mass extinction of ammonites and other planktonic calcifiers. The research found that the asteroid impact was the primary cause of the extinctions, but not due to ocean acidification levels being too weak.

Disrupting cancer pathway could enhance new immunotherapies

Researchers at the University of Chicago have identified a cell-intrinsic cancer-causing pathway that disrupts T cell infiltration in melanoma, enabling tumors to evade immune surveillance. Disrupting this signaling pathway could help restore T cell access and enhance the potential of immune-mediated cancer treatment.

Solving corrosive ocean mystery reveals future climate

Researchers discovered that a 55 million-year-old ocean current, formed by the North Atlantic's shape and changes in ocean currents, caused more severe acidification than other oceans during the Paleocene Eocene Thermal Maximum. This event may have implications for today's climate sensitivity to increasing carbon dioxide.

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.

More severe weather in store for middle states in US

NASA predicts more severe weather for the Midwest, including tornadoes, flash flooding, and strong winds. The storm system is expected to bring heavy rain and hail, with cold air masses indicating strong convective storms.

DNA with self-interest

A transposable element has invaded a new species of fly, Drosophila simulans, through horizontal gene transfer. The P-element's rapid spread suggests that transposable elements can quickly adapt and evolve within species.

Public health approach to reducing traumatic brain injury -- Update from CDC

The Centers for Disease Control and Prevention (CDC) has launched a comprehensive public health approach to reduce the impact of traumatic brain injury (TBI). New research highlights four pillars: improving understanding of TBI's public health burden, reducing incidence through primary prevention, enhancing recognition and management o...

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Increased risk of neuropathy in patients with celiac disease

A nationwide sample of patients in Sweden with biopsy-certified celiac disease were examined to identify the risk of developing neuropathy. The study found a significant association between celiac disease and an increased risk of neuropathy, with absolute risks of 64 per 100,000 person-years for those with celiac disease.

Acute kidney injury linked to pre-existing kidney health, study finds

Researchers analyzed over 1.3 million patient records to find that mildly abnormal results on kidney function tests are the strongest risk factor for acute kidney injury. Physicians can identify high-risk patients by paying close attention to common blood and urine tests for kidney function, potentially preventing the devastating injury.

Advanced MRI scans could help predict people at risk of schizophrenia

A new study used MRI to identify how brains of young people with schizophrenia symptoms are wired differently. The research found reduced information transmission and rerouted pathways, affecting central hubs that can lead to widespread problems. This technique could provide a valuable tool for predicting future illness.

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.

Tropical Storm Dolphin threatening Micronesia

The tropical storm is currently located 464 miles ENE of Chuuk, moving northwest at 9 knots. It is forecasted to reach 120 knots and pass near Guam, with maximum sustained winds of 45 knots.

Space lab to elucidate how liquid cocktails mix

Experimental data from zero-gravity experiments on the International Space Station provides insights into thermodiffusion effects in ternary liquid mixtures. The results, published in the European Physical Journal E, offer a benchmark for future theoretical and numerical models.

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.

Narrow misses can propel us toward other rewards and goals

Researchers discovered that near wins, such as coming close to winning a game or scratch-off lottery ticket, can intensify motivational energy and lead individuals to pursue unrelated goals. This 'near win' effect is thought to extend motivation beyond the original goal, resulting in faster completion of tasks.

Examination of nondisclosure agreements in medical malpractice settlements

A study found that nondisclosure agreements in medical malpractice settlements are often used with little standardization or consistency, selectively binding patients and making them hard to justify on privacy grounds. The use of these agreements may be subject to review and could potentially restrict reporting to regulatory bodies.

New research implicates immune system in Rett syndrome

Researchers discovered that macrophages play an unexpected role in Rett syndrome, amplifying the disease instead of helping it. The study suggests modulating the immune system could delay symptom onset and slow disease progression.

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.

Brain cells capable of 'early-career' switch

Researchers found that inactivating Lhx2 in mature neurons can reprogram them to process different senses, expanding one region at the expense of another. This discovery provides proof of brain plasticity and may lead to new therapeutic approaches for treating human disorders such as autism.

A new chapter in Earth history

A team of scientists proposes using nuclear weapons fallout to mark the beginning of a new geological age, the Anthropocene. The proposal is based on the significant geochemical signatures left by human activities in sediments accumulating across the planet.

UK-China collaboration for data sharing in metabolomics

A UK-China consortium, funded by the BBSRC, will host training workshops to support scientists in managing and sharing their metabolomics data and analyses. The partnership, involving EMBL-EBI, universities, and GigaScience, aims to improve data sharing in metabolomics, promoting better quality data and efficient research.

Celestron NexStar 8SE Computerized Telescope

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

Study shows increased cardiorespiratory fitness may delay onset of high cholesterol

A study published in the Journal of the American College of Cardiology found that higher levels of cardiorespiratory fitness can delay the onset of high cholesterol by up to 15 years. Men with lower fitness levels were more likely to develop high cholesterol in their early 30s, while those with higher fitness did not experience this un...