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Science News Archive 2013


Page 208 of 352

Middle-aged women commonly become ill with stress

A study of 1,500 middle-aged women found that one in five experienced constant or frequent stress, leading to 40% reporting psychosomatic symptoms like muscle aches and joint pain. Single women and smokers were particularly vulnerable to stress, highlighting the need for preventive measures from society.

Apple iPhone 17 Pro

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

Galactic knee and extragalactic ankle

The KASCADE-Grande experiment detected a bend in the energy spectrum of high-energy cosmic rays at different energies for light and heavy particles. The study reveals a flattening of the spectrum beyond the knee, indicating extragalactic acceleration, with the ankle structure appearing first in light primary particles.

Clinicians often wait for 'red flags' before discussing elderly driving

A new study from the University of Colorado School of Medicine found that elderly drivers are often more open to discussing their driving status than clinicians initially thought. The research suggests that health care providers should start conversations with elderly drivers earlier, perhaps at age 65 when Medicare benefits kick in.

A path to compact, robust sources for ultrashort laser pulses

Researchers at TUM developed a new laser technology that produces compact, efficient ultrashort pulses. The technology uses a 'rainbow' buffer to reshape continuous wave output into short intense pulses, enabling applications in biomedical imaging, material processing, and communications.

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.

Enhancer RNAs alter gene expression

Researchers have discovered the functional importance of enhancer-directed RNAs, also known as eRNAs, which boost or enhance nearby genes. The discovery could provide a new way to alter gene expression in a cell-specific manner, potentially treating diseases.

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.

An altered gut microbiota can predict diabetes

A study published in Nature found that patients with type 2 diabetes have an altered gut microbiota, which can predict the risk of developing diabetes. The researchers developed a new model to analyze the metagenome and distinguish between patients with type 2 diabetes and healthy women.

Despite good prognosis, some turn a blind eye to genetic screening

Researchers found that 30% of people with colorectal cancer did not act on genetic screening results, missing the diagnosis of Lynch syndrome. This study assesses the impact of routine screening for Lynch syndrome and highlights the importance of individuals taking action on test results.

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.

Meeting online leads to happier, more enduring marriages

A recent University of Chicago study reveals that couples who met online have higher marital satisfaction and lower break-up rates. The research found that online relationships benefit from selectivity and advance screening, providing a larger pool of prospective partners.

New strategy for defeating neuroblastoma

Researchers at Karolinska Institutet have discovered a promising strategy for defeating neuroblastoma by targeting the MYCN protein. The approach involves inhibiting the MYC gene, which leads to the accumulation of fat droplets in cancer cells and ultimately causes cell death or development into harmless neurons.

Stem cell study could aid quest to combat range of diseases

Researchers at the University of Edinburgh have made a breakthrough in understanding how induced pluripotent stem cells (iPSCs) are created. They found that the process is not just a reversal of normal cell generation, but involves changes to skin cells during reprogramming. This discovery could lead to more efficient and cost-effectiv...

WUSTL engineer to develop new biosensors with NSF Career Award

Srikanth Singamaneni aims to create novel biosensors using self-assembled metal nanoparticles with artificial antibodies, improving specificity and sensitivity. He also plans to educate high-school science teachers and develop a nanotechnology kit for students.

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.

Songbirds may give insight to nature vs. nuture

Researchers can now study song acquisition, storage, and regurgitation in songbirds using MRI, providing parallels to human language acquisition. This technique allows for repeated, long-term developmental measurements of the brain, shedding light on learning, language, and neuroendocrinological plasticity.

Potential new way to suppress tumor growth discovered

Researchers at the University of California, San Diego School of Medicine discovered a novel mechanism that suppresses tumor growth by stabilizing heterochromatin, a form of chromosomal DNA. This finding suggests a potential new approach to inhibit cancer gene expression and may represent a new class of tumor suppressors.

Researchers develop a faster method to identify Salmonella strains

Researchers have developed a faster method to identify Salmonella strains, reducing the time it takes to detect outbreaks from one to three days. The new approach, called CRISPR-MVLST, is comparable in accuracy to existing methods and has the potential to be much cheaper.

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.

Test to improve stem cell safety

Scientists have developed a safety test for human induced pluripotent stem cells (iPS) that can identify unwanted cells forming tumours and assess cell stability. The breakthrough could improve the quality of iPS cells and lead to safer cell therapies.

Expanding Medicaid is best financial option for states, study finds

A new RAND Corporation study suggests that states choosing not to expand Medicaid under the Affordable Care Act will face significant financial costs, including $1 billion more in uncompensated care spending and foregone federal payments of $8.4 billion annually. This would leave an additional 3.6 million people without health insurance.

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.

More TV time equals higher consumption of sweetened beverages among children

A Swedish study of over 1,700 children found that more TV time was associated with increased consumption of sweetened beverages. Children who watched more TV were 50% more likely to drink these beverages regularly. The study suggests that TV programs and parental norms may play a role in shaping children's beverage habits.

Enzyme from wood-eating gribble could help turn waste into biofuel

Scientists have discovered a new enzyme that can break down wood into simple sugars, which can then be fermented to produce liquid biofuels. The gribble cellulase is extremely resistant to aggressive chemical environments, making it ideal for industrial applications and potentially reducing costs.

New study predicts rising irrigation costs, reduced yields for US corn

A new study published by Rice University and the University of California at Davis predicts that US corn yields will decline by 7% and irrigation needs will increase by 9% due to climate change. This could sharply hinder the nation's ethanol production targets, leading to a re-evaluation of biofuel policies.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Using science to address farm pollution

An interdisciplinary team will analyze soil, crop, and climate conditions at 75 Midwestern corn farms to identify factors influencing farmers' decisions about environmentally friendly practices. The study aims to reduce water pollution and greenhouse gas emissions from corn farming, with results expected to inform policy approaches.

USC report: Law dramatically reduced hospital prices for the uninsured

A new study by USC's Glenn Melnick and Katya Fonkych found that California's Hospital Fair Pricing Act led to a significant reduction in hospital prices for uninsured patients. Nearly all hospitals (97%) offered free care to those below the federal poverty line, going beyond the state mandate.

Salt gets under your skin

Researchers discovered that immune system cells and lymph capillaries regulate sodium balance and blood pressure in the skin, contrary to traditional views focusing on the kidney and brain.

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.

New cancer drug shows promise for treating advanced melanoma

A new drug called lambrolizumab has shown promising results in treating patients with advanced melanoma, with 77% of patients experiencing tumor response and minimal serious side effects. The treatment works by blocking a protein that allows cancer cells to hide from the immune system, reactivating an immune response to attack the cancer.

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.

New method of mass-producing high-quality DNA molecules

A new method for manufacturing short, single-stranded DNA molecules has been developed by researchers at Karolinska Institutet and Harvard University. This technique can produce large amounts of DNA copies cheaply using bacteria, improving the quality and scalability of DNA fragment production.

Printing innovations provide 10-fold improvement in organic electronics

Researchers developed a printing process called FLUENCE that produces semiconductors with strikingly higher quality than conventional methods. The technique enables thin films capable of conducting electricity 10 times more efficiently, paving the way for revolutionary advances in organic electronics.

A step closer to artificial livers

Researchers at MIT have identified 12 chemical compounds that help liver cells maintain their normal function while grown in a lab dish, and multiply to produce new tissue. The compounds can also mature induced pluripotent stem cells into fully functional hepatocytes.

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.

Celestron NexStar 8SE Computerized Telescope

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

Narcolepsy study finds surprising increase in neurons that produce histamine

A new study found that people with narcolepsy have a large increase in the number of neurons producing histamine, which may contribute to symptoms like preserved consciousness during cataplexy and fragmented nighttime sleep. This discovery suggests that drugs reducing histamine signaling at night may improve sleep in narcolepsy.

Europe needs to engage and invest in national R&D budgets

Europe's national R&D budgets have stalled, leading to a brain drain and stunted scientific growth. Portugal's former science minister calls for sustained investment to strengthen universities and research facilities, promoting collaboration across borders.

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.

Genome hints at markers for higher-producing, better-tasting chocolate

A recent genome study identified genetic markers that can lead to higher yielding cocoa plants with better taste. Researchers sequenced the genome of the most commonly cultivated cacao plant and found a gene involved in pod color variation, which can help improve the quality of cocoa beans.

Abnormalities in HER2 gene found in wide variety of advanced cancers

Researchers have discovered HER2 gene abnormalities in 14 different types of solid tumors, including breast, esophageal, and lung cancers. The study suggests that these irregularities may benefit from existing anti-HER2 therapies, providing new treatment options for patients with advanced cancer.