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Science News Archive 2012


Page 195 of 333

Apple iPhone 17 Pro

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

SF State biology department receives $1.5 million to support science teaching

The San Francisco State University Department of Biology has received a $1.5 million grant to support faculty-led improvements in undergraduate science education. The Biology Faculty Explorations in Scientific Teaching (FEST) program aims to refine teaching skills and assess student learning through evidence-based methods.

Newly modified nanoparticle opens window on future gene editing technologies

The Iowa State team has successfully delivered functional protein and DNA into plant cells using custom-built nanoparticles, opening up opportunities for targeted genome editing in crop plants. This achievement marks a significant advancement toward delivering proteins and enzymes to both animal and plant cells.

'Metamaterials,' quantum dots show promise for new technologies

Scientists have developed a new type of nanostructured metamaterial that can dramatically change the properties of light, leading to potential breakthroughs in advanced solar cells and quantum computing. The metamaterial combines layers of silver and titanium oxide with tiny quantum dots, resulting in hyperbolic light behavior.

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.

Food, water safety provide new challenges for today's sensors

Researchers at Oak Ridge National Laboratory warn that current sensor technologies are not optimized for real-world conditions, posing risks to the nation's food and water supplies. Developing more effective sensors is crucial to address safety concerns, particularly in complex environments.

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.

Slip-and-slide power generators

A new technology harnesses power from a single droplet sliding along an electret film, producing electricity when it reaches maximum velocity. The device has potential for low-power portable devices and human body motion harvesting, with a prototype demonstrating peak output power of 0.18 microwatts.

The secret to good tomato chemistry

A team of researchers has identified 24 compounds as responsible for the distinct flavors and aromas of heirloom tomatoes. These findings hold promise for improving the flavor of commercially grown tomatoes.

New clues about cancer cell metabolism emerge

Researchers have developed a technique to measure the flux of metabolites in cancer cells, revealing a link between glycine consumption and fast cell division. The study's findings suggest that glycine metabolism plays a crucial role in cancer cell proliferation, with implications for understanding cancer biology.

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.

LiDAR technology reveals faults near Lake Tahoe

A new USGS study using LiDAR technology confirms the existence of previously suspected faults west of Lake Tahoe, increasing seismic hazard assessment for the region. The study also identifies an earthquake-induced landslide hazard along the fault-formed range front.

Chronic pain is relieved by cell transplantation in lab study

Researchers at UCSF have successfully treated chronic neuropathic pain in mice by transplanting immature embryonic nerve cells into the spinal cord. The transplanted cells integrated into the nerve circuitry, forming synapses and signaling pathways with neighboring neurons, leading to a significant reduction in pain hypersensitivity.

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.

Minister announces £250M strategic investment in UK bioscience

The UK has allocated £250M for five-year strategic investment programmes in bioscience research, including 26 strategic science programmes and 14 key national research capabilities. This funding will focus on addressing global challenges such as sustainable food production, energy security, and healthcare.

Stanford psychologists examine how race affects juvenile sentencing

A new study by Stanford psychologists reveals that race affects juvenile sentencing, with participants who imagined a black offender more likely to support life sentences without parole. The study's findings highlight the fragility of protections for juveniles when race is in play.

Study provides compelling evidence for an effective new treatment for tinnitus

Researchers found that a multidisciplinary approach combining cognitive behaviour therapy with sound-based tinnitus retraining therapy significantly improves quality of life and reduces symptoms in adults with tinnitus. The study recruited 492 adults and showed that the new treatment programme is beneficial for both mild and severe cases.

JCI early table of contents for May 24, 2012

Researchers developed a new method to identify vaccine targets for Streptococcus pneumoniae, the most common cause of bacterial meningitis. Gene therapy has shown promise in treating adenosine deaminase deficiency by correcting B cell tolerance problems and supporting treatment options for patients with severe combined immunodeficiency.

Drug allergy discovery

A research team at the University of Melbourne has discovered the biological mechanisms behind drug hypersensitivities, revealing how the immune system perceives the body's own tissues as foreign. The finding could lead to the development of a diagnostic test to determine drug hypersensitivity.

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.

Exotic particles, chilled and trapped, form giant matter wave

Physicists have successfully trapped and cooled exotic particles called excitons, condensing them into a giant matter wave that coheres at extremely low temperatures. This breakthrough allows scientists to better study the physical properties of excitons, promising applications in efficient solar energy harvesting and ultrafast computing.

Brightly colored bird bills indicate good health

A study by Queen's University researcher Troy Murphy found female birds with more colourful bills have higher antibody levels, indicating greater strength and ability to fight off invaders. The colour of a female bird's bill is strongly correlated with immunoglobulin antibodies, a component of the immune system in birds.

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.

EPSRC announces first recipients of Fellowships in Manufacturing

The EPSRC has awarded five-year fellowships worth £1 million each to Drs Geoffrey Nash, Harish Bhaskaran, Ajoy Velayudhan, and Peter Foote to address the gap in UK manufacturing research. The fellowships aim to strengthen links between industry and academia, driving growth and innovation.

A nanoclutch for nanobots

A 'nanoclutch' has been designed to regulate the speed of nanomotors, allowing for stepless control. The device uses electrowetting forces and charged carbon nanotubes to transmit torque between tubes.

CWRU class earns Science magazine prize for innovation

A Case Western Reserve University class has been awarded a Science magazine prize for its innovative approach to teaching biology and computer science. The 'Dynamics of Biological Systems' class uses an inquiry-based learning model, where students work on real-world problems using online interactive tools and mathematical models.

Celestron NexStar 8SE Computerized Telescope

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

Low vitamin D in diet increases stroke risk in Japanese-Americans

A 34-year study found that Japanese-American men who did not eat foods rich in vitamin D had a higher risk of stroke later in life. Men with the lowest dietary vitamin D intake had a 22% increased risk of stroke, while those with the highest intake had a 27% lower risk.

From stem cell to brain cell – new technique mimics the brain

Researchers at Lund University developed a new technique that converts stem cells into brain cells with improved safety and efficiency. The method mimics the brain's natural development process, reducing the risk of tumour formation and improving cell integration.

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.

Seagrasses can store as much carbon as forests

Researchers found that seagrass beds store up to 19.9 billion metric tons of carbon globally, more than temperate and tropical forests. Seagrasses can store up to twice as much carbon per unit area, mostly in their soils.

Researchers develop new genetic method to pinpoint individuals' geographic origin

A team of researchers has developed a new genetic method called spatial ancestry analysis (SPA) that can model genetic variation in two- or three-dimensional space. SPA allows for the modeling of the spatial distribution of each genetic variant, enabling individuals to be localized on a world map based on their genetic information alone.

Treating pain with transplants

Researchers have successfully transplanted embryonic cells into adult mouse spinal cords to alleviate persistent pain. The study suggests that this approach may not only treat symptoms but also correct underlying disease pathology. This new therapy offers hope for patients with neuropathic pain, a condition with limited treatment options.

Females face different clock problem

A Northwestern University study reveals that female shift workers and women with circadian rhythm sleep disorders experience fertility and menstrual issues due to disrupted circadian clocks. The researchers found that mice subjected to advances of the light-dark cycle had greater circadian clock disruption and lower reproductive success.

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.

Researchers uncover new ways sleep-wake patterns are like clockwork

Researchers at NYU have discovered a new role for non-master pacemaker neurons in regulating circadian rhythms. By studying fruit flies, they found that these neurons suppress signaling of master pacemaker neurons during the evening, allowing them to fire and wake up the fly.

'Obesity genes' may influence food choices, eating patterns

A study published in the American Journal of Clinical Nutrition found that variations in certain 'obesity genes' are associated with increased snacking, high-fat foods, and more calories per day. These findings suggest that modifying eating habits may help minimize genetic risk for obesity.

Socioeconomics may affect toddlers' exposure to flame retardants

A Duke University study found that toddlers from lower socioeconomic backgrounds have higher levels of flame retardant chemicals in their blood, potentially due to hand-to-mouth activity. This highlights the need for better public access to information on household products and potential exposure routes.

Calcium supplements linked to significantly increased heart attack risk

Research published in the journal Heart found that calcium supplements may increase the risk of heart attacks, while boosting dietary calcium intake has no significant heart health benefits. The study of nearly 24,000 participants suggests that high levels of calcium supplements may be harmful due to their impact on blood calcium levels.

IUDs, implants most effective birth control

A study of over 7,500 women found that IUDs and implants were significantly more effective than birth control pills, patches, or rings in preventing unintended pregnancies. The study also showed that educating women about the effectiveness of these methods and providing them for free could reduce unintended pregnancy rates.

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.

Breast MRI helps predict chemotherapy's effectiveness

A new study shows that Breast MRI provides an indication of a breast tumor's response to pre-surgical chemotherapy significantly earlier than possible through clinical examination. MRI size measurements were superior to clinical examination at all time points, predicting both complete tumor response and residual cancer burden.

Well-connected brains make you smarter in older age

A study published in Molecular Psychiatry found that maintaining healthy nerve connections as we age helps keep us sharp. The research suggests that intelligence is not located in a single part of the brain, but rather in its overall network of connections.

Severity of sleep disordered breathing predicts glycemic health

A new study finds that sleep disordered breathing and nocturnal hypoxemia independently predict both glycosylated hemoglobin levels and type 2 diabetes mellitus. Moderate and severe obstructive sleep apnea syndrome were significant predictors of prevalent T2DM and HbA1c levels, even after adjustment for obesity.

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.

Old herbicides enlisted in new 'war on the weeds'

The use of old herbicides is increasing due to emerging weed resistance, prompting companies to develop new crop varieties with resistance to these chemicals. This shift aims to maintain control over weeds while reducing the reliance on chemical herbicides.

Phthalates in PVC floors taken up by the body in infants

A new study at Karlstad University in Sweden shows that phthalates from PVC flooring materials are taken up by the bodies of infants, primarily through ingestion with food, breathing, and skin contact. The study's findings highlight the importance of considering non-food sources of exposure to banned chemicals like DEHP and BBzP.

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.

An introduced bird competitor tips the balance against Hawaiian species

Researchers found that introduced white-eye birds outcompeted native Hawaiian species for food and resources, leading to stunted growth and feather replacement issues. This threatens the long-term survival of these endangered bird species, which are considered 'conservation reliant' in Hawaii.