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Science News Archive 2013


Page 300 of 352

Research supports promise of cell therapy for bowel disease

Adult stem cells have been identified that can migrate to the intestine and produce intestinal cells, suggesting their potential to treat inflammatory bowel disease. The cells were found to express high levels of a receptor involved in tissue repair and wound closure.

Problems with identifying meat? The answer is to check the barcode

A study published in BioMed Central's Investigative Genetics journal found that over 80% of game meat samples in South Africa were mislabeled, with some species being substituted almost entirely. The labelling error has implications for animal safety and cultural/religious practices.

Eating junk food while pregnant may make your child a junk food addict

Research published in The FASEB Journal suggests that pregnant mothers who consume junk food alter the development of their unborn child's opioid signaling pathway, leading to decreased sensitivity and increased tolerance for junk food. This can result in children being more likely to develop a lifelong addiction to unhealthy foods.

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.

ACC/HRS release appropriate use criteria for ICDs and CRT

The ACC/HRS released appropriate use criteria for implantable cardioverter-defibrillators (ICDs) and cardiac resynchronization therapy (CRT). The document assesses 369 real-life clinical scenarios to support physician decision-making, with 45% deemed appropriate for ICD implantation. The criteria help inform clinical judgment while ack...

'Rain Man'-like brains mapped at UCSF

Scientists have created a detailed map of the global connections within the brains of individuals with agenesis of the corpus callosum, a genetic cause of autism. The study reveals abnormal brain connectivity patterns and network topology, potentially leading to new imaging biomarkers for diagnosis and management.

Brown unveils novel wireless brain sensor

Researchers created a novel low-power device that enables the recording of complex neural signals in freely moving subjects for over 16 months. The device, which transmits data wirelessly, has the potential to revolutionize brain-computer interfaces and help people with severe paralysis control devices with their thoughts.

Apple iPhone 17 Pro

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

MIMR researchers find a protein link to STI susceptibility

A Monash Institute of Medical Research team has identified a protein called Interferon epsilon (IFNe) that protects females against infections, including STIs. The discovery could lead to new therapeutic opportunities and boost protective immunity.

NASA's Van Allen Probes discover a surprise circling Earth

The Van Allen Probes have discovered a surprise third radiation belt extending out into space, offering scientists new insights into the region. The discovery provides a unique opportunity for researchers to study the dynamics of the belts and shed light on the complex interactions between solar energy and magnetic waves.

Zeroing in on heart disease

Scientists identify genes involved in cholesterol metabolism and cardiovascular disease risk by selectively decreasing gene expression using RNA interference. The study provides a new approach for understanding the mechanisms of cardiovascular disease and improving its prediction and diagnosis.

Loss of wild insects hurts crops around the world

A recent study found that managed honey bees are less successful at pollinating crops than wild insects, highlighting the negative consequences of losing wild insect populations. The research emphasizes the need for integrated management practices to promote long-term agricultural production and enhance global crop yields.

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.

'Crazy-busy' Canadians under pressure on the job

A new study from the University of Toronto found that Canadian workers who report high levels of job pressure often experience problems navigating work and family roles, as well as symptoms of physical and mental health issues. Having control over one's work schedule and job autonomy are associated with lower levels of job pressure.

Double-jointed adolescents at risk for joint pain

A prospective study found that adolescents with joint hypermobility are approximately twice as likely to develop musculoskeletal pain at these joints. The study suggests a possible genetic basis for joint hypermobility, and further investigation is warranted to determine the long-term effects of joint hypermobility on osteoarthritis risk.

Round or 'shaped,' implants yield good results in breast reconstruction

A study published in Plastic and Reconstructive Surgery finds that round and shaped silicone implants have similar patient-reported outcomes in breast reconstruction, with few significant differences in quality of life. The researchers evaluated 65 women receiving round implants and 63 receiving shaped implants, finding average scores ...

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.

Nearly 1 in 4 women newly diagnosed with breast cancer

A study of over 1,100 women found that nearly a quarter developed post-traumatic stress disorder (PTSD) symptoms within two to three months after breast cancer diagnosis. Younger women and those from Asian and black backgrounds were at higher risk.

Improving climate protection in the agricultural sector

A study developed a new model to improve climate balance in agriculture by identifying key factors contributing to greenhouse gas emissions and energy inefficiencies. Organic farming strategies, such as planting legumes and using soil less intensively, show promise for reducing emissions and improving yields.

DNA's twisted communication

A team of scientists at EMBL has discovered how the genome is controlled by a series of multiple, interdependent regulatory elements. These elements are clustered together and control specific genes like Fgf8, which is crucial for limb growth and brain development.

Pour, shake and stir

A diagnostic 'cocktail' containing a single drop of blood, a dribble of water, and a dose of DNA powder with gold particles can mean rapid diagnosis and treatment of the world's leading diseases. The technology uses nanoparticles to target and illuminate cancer cells and tumours.

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.

Pixels guide the way for the visually impaired

Researchers developed a pixelated vision system to enhance retinal implants, allowing patients to detect motion, large objects, and improve orientation. The system uses mathematical algorithms to pick out salient locations in images and provides directional cues for navigation tasks.

Metal ions regulate terpenoid metabolism in insects

Researchers discovered that metal ions cobalt, manganese, and magnesium control the production of different terpenoids in insect larvae, one for defense and another for juvenile hormones. This study highlights the importance of metal ions in regulating metabolic pathways and challenges the traditional view of enzyme specificity.

Saharan and Asian dust, biological particles end global journey in California

A study by UCSD and NOAA finds that aerosols from the Sahara desert help spur precipitation in California, highlighting the impact of global weather patterns on regional water supplies. The research uses advanced instruments to track the journey of aerosols across continents and demonstrates their role in seeding storm clouds.

Fluke 87V Industrial Digital Multimeter

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

Scientists call for legal trade in rhino horn

Leading environmental scientists propose a highly regulated legal trade in rhino horn to conserve Africa's remaining rhinos. The plan, published in the journal Science, could meet global demand for horn by humanely shaving horns of live rhinos or animals dying of natural causes.

Cell movement explained by molecular recycling

Researchers at the University of Manchester identified the method by which cells regulate integrin recycling, allowing precise control over cell movement. Syndecan-4 plays a critical role in regulating this process, responding to subtle changes in the cell's surroundings.

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.

LSU researchers find new information about 'Snowball Earth' period

Researchers found evidence of a unique post-glacial world, revealing life's remarkable ability to restore balance after a global glaciation. The study estimates the Marinoan Oxygen-17 Depletion event lasted 0-1 million years, suggesting an ultra-high carbon dioxide atmosphere following the Snowball Earth glaciation.

Fighting GM crop vandalism with a government-protected research site

A Swiss government-protected field site will provide a secure environment for GM crop researchers, enabling them to conduct experiments without security measures. This model could help European countries evaluate the advantages and disadvantages of GM crops in an objective manner.

Third radiation belt discovered with UNH-led instrument suite

The Radiation Belt Storm Probes mission, led by the University of New Hampshire, has discovered a transient third radiation belt formed in the wake of a powerful solar event. The new belt was detected using the Relativistic Electron-Proton Telescope and is located at an inner edge of the outer electron belt.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Where the wild things go… when there's nowhere else

A Princeton University study reveals that endangered species, such as Sumatran orangutans and Javan leopards, are increasingly taking up residence in swamp forests in Africa and Asia. These areas often lack food sources and fresh water, yet provide a crucial habitat for these animals.

Clogged heart arteries can foreshadow stroke

Researchers found that blockages in coronary arteries, as measured by non-invasive CT scans, were significantly higher in patients who experienced a stroke. CAC levels above 400 Hounsfield units increased the risk of stroke three times in those under 65 and at low cardiovascular risk.

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.

Winner of Physics Journalism Prize announced

The inaugural Physics Journalism Prize has been awarded to Anil Ananthaswamy for his article Hip Hip Array, which explores the Square Kilometre Array project. The prize is sponsored by IOP Publishing and the Science and Technology Facilities Council (STFC), and includes a £10,000 award and an expenses-paid trip to Japan.

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.

Exploring the inner world of carnivorous plants

Carnivorous plants have evolved cup-shaped leaves to catch prey, allowing them to thrive in nutrient-poor environments. The study aims to uncover the rules of growth and evolution behind these complex forms, combining observations, 3D imaging, and genetic analysis.

Modified bacteria turn waste into fat for fuel

Researchers at Rice University have developed a process to produce fatty acids from plant biomass using genetically modified E. coli bacteria. The new method has shown significant improvements in yield and efficiency, with the potential to produce millions of tons of fuel per year.

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.

Lipid researcher, 98, reports on the dietary causes of heart disease

A study by 98-year-old researcher Fred Kummerow found that oxidized lipids contribute to heart disease by increasing calcium deposition on the arterial wall and interrupting blood flow. Oxidized cholesterol was also linked to an increased synthesis of a blood-clotting agent, thromboxane.

New insight into how people choose insurance plans

A new study suggests that consumers select health insurance plans based on both their overall wellness level and anticipated response to having insurance. The research indicates that people with lower behavioral responses to the contract are more likely to opt for high-deductible plans.

Ectopic eyes function without connection to brain

Scientists at Tufts University have shown that transplanted eyes can confer vision without a direct neural connection to the brain. The study used frog models and found that ectopic eyes could 'see' and elicit responses similar to those of animals with natural eyes.

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.

Defining the new normal in aging

Researchers argue that traditional notions of healthy and successful aging fall short for many Canadians living with chronic diseases. Instead, they advocate for supporting older adults to live well according to their own definitions of health.

Promising breakthrough for transplant patients

A team led by Dr. Marie-Josée Hébert discovered a new class of antibodies - anti-LG3 - which can trigger severe rejection episodes and high organ loss rates in kidney transplant patients. This breakthrough holds promise for developing new therapies to prevent or limit organ rejection.