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Science News Archive September 2014


Page 14 of 34

Want to link genes to complex traits? Start with more diversity

Researchers are using multiparental populations to map complex trait genes in organisms such as mice, fruit flies, and maize. This approach enables the identification of specific gene regions associated with traits like nicotine resistance and toxicity of chemotherapy drugs.

Apple iPhone 17 Pro

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

Dogs can be pessimists too

Research from the University of Sydney measures positive and negative emotional states in dogs objectively, revealing that while most dogs are optimistic, some display pessimistic tendencies. Pessimistic dogs tend to be more stressed by failures and less willing to take risks.

Melanoma risk found to have genetic determinant

A recent study published in the Journal of the National Cancer Institute has established a link between longer telomeres and increased melanoma risk. The research team identified seven genetic variations associated with telomere length and found that those with the longest telomeres are at a 30% increased risk of developing melanoma.

Why bioethics literacy matters

The Hastings Center and the Presidential Commission for the Study of Bioethical Issues have published a series of essays on bioethics education, highlighting gaps in knowledge and best practices. The papers focus on clinical ethics training for nurses, doctors, and medical students, emphasizing the importance of moral agency, reproduct...

Fluke 87V Industrial Digital Multimeter

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

NSF computing network grant will bolster research at UT Arlington

The University of Texas at Arlington has received a National Science Foundation grant to boost its research capabilities, particularly in high-energy physics and data-intensive science projects. The grant will increase the campus's network performance to support researchers working on large-scale data analysis.

Many throat cancer patients can skip neck surgery

A new study shows that patients with HPV-positive oropharyngeal cancer respond better to treatment, making lingering neck bumps likely benign. This suggests skipping neck surgery for these patients could be a viable option.

Smallest known galaxy with a supermassive black hole

Researchers found a tiny galaxy, M60-UCD1, hosting a supermassive black hole with a mass of 21 million suns. The discovery suggests many ultracompact dwarf galaxies may contain huge black holes. The team used Gemini North and Hubble Space Telescope observations to estimate the black hole's mass.

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.

NASA releases IRIS footage of X-class flare

The Interface Region Imaging Spectrograph (IRIS) mission has captured a unique perspective on an X-class solar flare, highlighting the transition region and corona. The observations provide insight into the dynamics of these powerful flares, which can have significant effects on Earth's magnetic field and radiation environment.

Big surprises can come in small packages

Astronomers using Hubble have found the smallest known galaxy with a supermassive black hole at its center. The galaxy, M60-UCD1, has a diameter of just 300 light-years and contains 140 million stars, yet it harbors a massive black hole weighing five times that of the Milky Way's central black hole.

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.

Magnetic resonance helps to detect and quantify fat in liver

Researchers have developed a magnetic resonance technique to detect and quantify fat in the liver, improving upon traditional hepatic biopsy methods. The study uses magnetic resonance imaging (MRI) to measure liver fat content with high accuracy, providing valuable insights for diagnosing and monitoring liver diseases.

Doing science just got cheaper -- and faster

A team of researchers at Michigan Technological University has published an open-source library of syringe pump designs, making it cheaper for scientists to access this essential laboratory equipment. The designs can be printed on a 3D printer using inexpensive plastic filament and are customizable for specific experimental needs.

What set the Earth's plates in motion?

The Earth's massive tectonic plates are driven by a self-sustaining process that has shaped the modern planet. Early continents triggered plate motion by placing major stress on surrounding plates, forcing them to be pushed under at their edges.

Gut bacteria, artificial sweeteners and glucose intolerance

Researchers found that artificial sweeteners can induce glucose intolerance by changing the composition and function of the gut microbiota. The study used mice and human data to show that certain bacteria in the gut react to artificial sweeteners, leading to inflammation and metabolic changes.

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.

An autoimmune response may contribute to hypertension

A new study suggests that an autoimmune response may contribute to the development of high blood pressure. Using mouse models, researchers found that compounds stimulating hypertension led to the faulty production of modified proteins in dendritic cells, triggering an immune response.

Habitual Facebook users more likely to be caught in phishing scams

A study published in the Journal of Computer-Mediated Communication found that habitual Facebook users are more likely to accept strangers as friends and give them personal information. This is because Facebook's design fosters habit formation and users with large social networks, frequent use, and impulsive behavior are more susceptib...

Reinterpreting dark matter

A team of researchers, led by Tom Broadhurst, has reinterpreted cold dark matter as a Bose-Einstein condensate, proposing that it governs the formation of the universe's structure. The theory predicts galaxies formed relatively late and could explain puzzling cores in dwarf galaxies.

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.

Phthalates heighten risk for childhood asthma

Researchers found a 72% and 78% increase in childhood asthma risk among children exposed to butylbenzyl phthalate (BBzP) and di-n-butyl phthalate (DnBP), respectively, during pregnancy. Prenatal exposure to these phthalates can lead to inflammation and oxidative stress, increasing the risk of asthma.

Brain imaging research pinpoints neurobiological basis for key symptoms associated with post-traumatic stress disorder like listlessness and emotional detachment in trauma victims

A new study by NYU Langone Medical Center identifies a specific neurobiological basis for key symptoms of post-traumatic stress disorder (PTSD), including sadness, emotional detachment, and listlessness. The research uses brain imaging to link an opioid receptor in the brain to these symptoms, suggesting a potential target for personal...

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.

The mobility model is closely linked to the city's characteristics

According to a study by the University of the Basque Country, the mobility model is closely linked to the city's characteristics. The study found that compact towns and cities have lower private vehicle use, better public transport offers lead to less car usage, and higher per capita income is associated with greater private car use. T...

Vitiligo treatment holds promise for restoring skin pigmentation

A new treatment regimen has been found to be safe and effective in restoring skin pigmentation in vitiligo patients. The study, led by Henry Ford Hospital, showed that a combination of afamelanotide and phototherapy using narrowband ultraviolet-B rays resulted in faster repigmentation compared to UVB treatment alone.

For some lung cancer patients, surgery may yield better long-term results

A Yale study found that patients with early-stage non-small cell lung cancer who underwent conventional surgery had better long-term outcomes than those treated with radiosurgery. The study used Medicare billing records of 1,078 patients and found a significant difference in complications and mortality rates between the two groups.

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.

Mechanism behind age-dependent diabetes discovered

Researchers at Karolinska Institutet found that age-dependent reduction of mitochondrial function in beta cells leads to reduced insulin release. Impaired calcium ion dynamics is the molecular mechanism underlying this process.

Size at birth affects risk of adolescent mental health disorders

New research from the Copenhagen Centre for Social Evolution and Yale University found a strong link between birth weight and risk of developing mental health disorders such as autism and schizophrenia in adolescence. The study, which analyzed medical records of 1.75 million Danish births, found that smaller babies were at higher risk ...

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Oxides discovered by CCNY team could advance memory devices

Researchers have discovered new complex oxides that exhibit both magnetic and ferroelectric properties, combining characteristics of logic circuits and spintronics. The findings, published in Scientific Reports, bring scientists closer to creating ultra-efficient memory devices with massive storage capacities.

Space: The final frontier ... open to the public

Researchers studied how average people with high blood pressure, heart disease, diabetes, and other common conditions performed during simulated flight. They found that nearly everyone tolerated the stresses of commercial spaceflight without problems.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Shorebird's beak inspires UT Arlington research on water collection

A UT Arlington engineering professor and his doctoral student have designed a device based on a shorebird's beak that can accumulate water collected from fog and dew. The device could provide water in drought-stricken areas of the world or deserts around the globe, offering an alternative to current methods.

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.

Babies learn words differently as they age, researcher finds

Researchers found that toddlers' abilities to accurately guess word meanings increase with age, while social cues become less effective. Children can retain around three new words per day, highlighting the importance of rich word-learning environments.

Lunar explorers will walk at higher speeds than thought

Researchers studied astronauts' movements in low gravity and found that they could maintain higher speeds while walking on the moon. The team used NASA's DC-9 aircraft to simulate lunar gravity and tested the speed at which walkers transitioned from a walk to a run, discovering an average speed of 1.4m/s, exceeding previous estimates.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

'Office life' of bacteria may be their weak spot

Researchers identify how bacteria prioritize instructions and create a 'shredder' enzyme that destroys old messages. By targeting this enzyme with antibiotics, deadly bacterial infections may be killed, providing new hope for treating human illnesses.

Wild berry extract may strengthen effectiveness of pancreatic cancer drug

Researchers found that chokeberry extract killed off cancer cells and boosted the effectiveness of chemotherapy drug gemcitabine in treating pancreatic cancer. The extract's anti-cancer properties were tested on human pancreatic cancer cells, with results suggesting a potential synergy between the two.

Celestron NexStar 8SE Computerized Telescope

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

Failed Medicare payments law remains relevant

Despite Congress's adjournment, the Sustainable Growth Rate (SGR) Repeal and Medicare Provider Payment Modernization Act of 2014 remains a crucial issue in healthcare finance. Experts, including Dr. Eli Adashi, advocate for bipartisan efforts to address the SGR law and promote reforms to move Medicare towards quality-based compensation.

Abnormal properties of cancer protein revealed in fly eyes

Michigan State University scientists have discovered the first detailed examination of mutations similar to those present in the human cancer gene. The study reveals that boosting levels of even standard protein can alter fruit flies' eyes and wings, while mutated protein causes consistent and dramatic deformations.