Bluesky Facebook Reddit Email

Science News Archive 2012


Page 136 of 333

Researchers identify link between kidney removal and erectile dysfunction

A multi-center study found that patients who undergo complete kidney removal are 3.5 times more likely to develop erectile dysfunction compared to those with kidney reconstruction. Researchers suggest that total kidney removal may also increase the risk of metabolic diseases and decrease quality of life.

Apple iPhone 17 Pro

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

In Massachusetts, 'individual mandate' led to decreased hospital productivity

A recent study published in Health Care Management Review found that mandatory individual insurance coverage in Massachusetts led to a significant near-term drop in hospital productivity. The results raise concerns about the potential impact of universal health insurance coverage on US hospital productivity and overall healthcare costs.

Would sliding back to pre-PSA era cancel progress in prostate cancer?

The study suggests that eliminating the PSA test would result in more men being diagnosed with metastatic prostate cancer, leading to higher mortality rates. Prostate cancer death rates have been reduced by nearly 40% over the past 20 years, largely due to early detection through PSA testing.

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.

Later Stone Age got earlier start in South Africa than thought

A recent study has pushed back the estimated emergence of the Later Stone Age in South Africa to approximately 44,000 to 42,000 years ago. This finding suggests that early humans inhabited the region during this time period, coinciding with the migration of modern humans from Africa to Europe around 45,000 years ago.

Health care savings, naturally

A Harvard researcher has found that using traditional, natural medicines can provide significant economic benefits, with households in Madagascar receiving between $30 and $45 per year. The study suggests that if Americans relied on these remedies, they could save up to 63% of their annual healthcare bill.

Archeologists unearth extraordinary human sculpture in Turkey

A colossal human figure, 1.5m tall, with intricate details and Hieroglyphic Luwian inscription, was discovered at the Tayinat gate complex in southeastern Turkey. The sculpture is part of a monumental gate complex that dated back to the Neo-Hittite Kingdom of Patina.

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.

Health coaches could be key to successful weight loss, study suggests

A pilot study suggests that health coaches, either professional or peer-based, can lead to clinically significant weight losses of at least 5% in obese individuals. This approach may be a cost-effective strategy to combat the obesity epidemic, which affects one-third of American adults.

Grin and bear it -- smiling facilitates stress recovery

Researchers studied how different types of smiling affect stress recovery, finding that Duchenne smiles had the greatest impact on reducing heart rates and improving mood. Smiling may be a simple yet effective way to cope with stressful situations.

Parents can increase children's activity by increasing their own

A recent study published in Journal of Physical Activity and Health found that parents can positively impact their children's physical activity by increasing their own activity levels. When mothers reached or exceeded a daily step goal, their children took significantly more steps on average.

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.

Annals of Internal Medicine tip sheet for July 31, 2012 online issue

The American College of Physicians recommends against routine electrocardiogram (ECG) screening for asymptomatic adults at low risk for coronary heart disease, as it may lead to unnecessary procedures and overtreatment. The Task Force also found inadequate evidence that ECG screening in this population reduces the risk for CHD events.

Offshore use of vertical-axis wind turbines gets closer look

Researchers aim to reduce turbine center of gravity, machine complexity, and maintenance costs. Curved VAWT blades pose manufacturing challenges, while unsteady loading and lack of aerodynamic braking systems remain hurdles for large-scale offshore power generation.

Emotion detectives uncover new ways to fight-off youth anxiety and depression

A novel intervention called Emotion Detectives Treatment Protocol (EDTP) has shown significant reductions in anxiety and depression severity after treatment. The program adapts age-appropriate techniques from adult and adolescent protocols to educate children about emotions, problem-solving skills, and behavior activation.

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.

MIT News Release: 10-year-old problem in theoretical computer science falls

Researchers have developed multiprover interactive proofs that are resilient against entanglement, a breakthrough that has implications for cryptography and quantum physics. The findings provide insight into the complexity of computational problems and demonstrate the limitations of quantum information in cheating mechanisms.

Scientists probe link between magnetic polarity reversal and mantle processes

Researchers at the University of Liverpool have discovered a connection between changes in heat flow from the Earth's core into the base of the overlying mantle and variations in the long-term reversal rate of the magnetic field. The study suggests that this process may lead to an increase in large igneous provinces, potentially affect...

Telling the tale of the wealth tail

Researchers propose a mechanism of individual interaction to understand collective macroscopic behavior, finding power-law tails in some models. The diversity of saving propensity among individuals plays a role in shaping the distribution of wealth.

Modern culture 44,000 years ago

A team of international researchers has dated and directly analyzed organic artifacts from Border Cave in South Africa, revealing evidence of San material culture dating back 44,000 years. This finding pushes the timeline for the emergence of modern human culture earlier than previously thought.

Fluke 87V Industrial Digital Multimeter

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

What would happen without PSA testing?

The study found that without PSA testing, approximately 25,000 cases of advanced prostate cancer would occur in 2008, three times the actual number observed. This would result in more men experiencing aggressive disease with limited treatment options.

New discovery of how carbon is stored in the Southern Ocean

Researchers found that localized pathways created by winds, currents, and eddies draw waters down into the deep ocean, locking away carbon from the atmosphere. This improved understanding helps predict effects of climate change on ocean carbon absorption.

When the world burned less

A new University of Utah-led study suggests that global cooling, rather than population collapse, was the primary driver of reduced wildfires globally. The research analyzed charcoal samples spanning 2,000 years and found a significant decline in fires post-1500 AD, which coincided with the onset of the Little Ice Age.

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.

Smell the potassium

Researchers found two new potassium channels, SK3 and GIRK, that activate the vomeronasal organ's pheromone detection, overriding previous theories on sensory neuron function. The discovery provides clues to innate behaviors in humans and challenges existing knowledge on the VNO's role.

Gene discovery set to help with mysterious paralysis of childhood

Researchers at Duke University Medical Center discovered a gene mutation causing Alternating Hemiplegia of Childhood (AHC), a rare disorder characterized by unpredictable paralysis and seizures. The study's findings suggest a potential treatment, with genetic testing to accurately diagnose patients and prevent misdiagnoses.

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.

Magnetic field, mantle convection and tectonics

A study published in Nature Geoscience suggests that rapid mantle convection may influence the Earth's magnetic field, which is produced by convection currents in the liquid core. The research team found that changes in heat flow and density distribution in the mantle could lead to more frequent or less frequent geomagnetic reversals.

Cutting the graphene cake

Researchers at the University of Manchester have developed a side-view imaging technique to visualize individual graphene layers in devices, finding that structures are remarkably stable even with multiple layers. This achievement has significant implications for the engineering of graphene-based computer chips.

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.

How to avoid traps in plastic electronics

A study reveals that charge traps in plastic semiconductors are caused by a similar energy level, allowing for the estimation of expected electron current and design of trap-free materials. This breakthrough has important implications for both plastic LEDs and solar cells.

New cause of child blindness identified

A team of international scientists has identified the new gene responsible for Leber Congenital Amaurosis (LCA), a devastating genetic form of blindness in newborns. NMNAT1 is crucial for life and produces a vital coenzyme called NAD, involved in hundreds of reactions in the cell.

New discovery of how carbon is stored in the Southern Ocean

A team of scientists has discovered a method of how carbon is drawn down from the surface of the Southern Ocean to deep waters, utilizing winds, currents, and eddies. This understanding improves knowledge of climate change effects on ocean carbon absorption.

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.

Lotus leaf inspires fog-free finish for transparent surfaces

Researchers create superhydrophobic coatings to repel water and fog from glass and other transparent materials. The coatings offer improved anti-fogging and light transmittance properties, paving the way for clearer windshields, windows, and solar cells.

Cloud seeds and ozone holes

A team of scientists discovered that cloud seeds can pick up molecules even when they don't collide directly with the clusters. The finding has significant implications for understanding atmospheric chemistry processes such as ozone depletion.

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 seat of meta-consciousness in the brain

Researchers have identified a specific cortical network in the brain that becomes active when lucid dreamers become aware of their dreaming state. This network, including the right dorsolateral prefrontal cortex and frontopolar regions, is associated with self-reflective functions and has been linked to consciousness development.

Discovery of new white blood cell reveals target for better vaccine design

Researchers at Newcastle University have identified a new type of white blood cell that activates a killing immune response to external sources, providing a potential target for vaccines. The discovery could lead to the development of targeted immunotherapies against cancer and infections such as Hepatitis B.

Computers can predict effects of HIV policies

A computer program calibrated to model accurately HIV spread in NYC predicts significant reduction in infection rate with comprehensive intervention strategies. The model simulates individual behavior and transmission networks, providing detailed examination of how interventions affect the epidemic.

Future of California high-speed rail looks green

A new analysis by Arpad Horvath and Mikhail Chester finds that California's proposed high-speed rail system will reduce greenhouse gas emissions compared to cars and air travel. The study, published in Environmental Research Letters, assesses the sustainability of different transportation modes using life-cycle assessments.

'Diving board' sensors key to DNA detection

Researchers at Drexel University have developed a sensor technology that can detect DNA in liquid samples, allowing for quick identification of harmful cells and bacteria. The 'diving board' sensors use electric current to measure the vibration frequency of a cantilever, enabling sensitive and timely tests.

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.

Boys' impulsiveness may result in better math ability, say MU researchers

A University of Missouri study found that boys showed a preference for faster but more error-prone approaches to solving arithmetic problems. While girls excelled in accuracy earlier on, boys surpassed them by the end of sixth grade due to their willingness to take risks and recall answers from memory.

NASA sees organizing tropical low pressure area near the Philippines

A low-pressure system in the western North Pacific is showing signs of organization, with NASA's Terra satellite capturing an infrared image of the area on July 27. The Joint Typhoon Warning Center has given System 93W a high chance of becoming a tropical depression over the weekend of July 28-29.

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.

Study finds gaps in services for heterosexual men with HIV

A new study found that many heterosexual men with HIV in Canada feel existing programs and services don't meet their needs, due to stigma and lack of support. The study emphasizes the need for more inclusive health care and service initiatives specifically tailored to these men's unique experiences.

Cedars-Sinai awarded $17.8 million grant to develop ALS treatment

Researchers at Cedars-Sinai Medical Center are developing a new treatment for ALS using a combination of stem cells and gene therapy. The grant will fund an 18-patient clinical trial for ALS in four years, with the potential to protect damaged motor neurons and deliver the protein GDNF exactly where it's needed.