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Science News Archive 2009


Page 253 of 277

Revolutionary microchip uses 30 times less power

Scientists have created a microchip that uses 30 times less electricity while running seven times faster than today's technology, thanks to probabilistic logic. This technology has significant implications for the IT industry's carbon footprint, potentially reducing energy consumption in devices such as cell phones and medical implants.

Scientists deconstruct cell division

Researchers have identified two proteins, dynein and Nudel, as crucial for regulating the assembly of the spindle matrix during mitosis. This finding broadens our understanding of how cells control critical events during division. Understanding spindle assembly is essential to comprehend cell fate choices and development.

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.

That gut feeling may actually reflect a reliable memory

A new Northwestern University study uses brain-reading technology to show that people can be more accurate in recognizing familiar images when distracted or guessing than when paying full attention. The research suggests that implicit recognition may play a significant role in everyday decision-making and problem-solving.

Mama whales teach babies where to eat

Young southern right whales learn from their mothers where to feed in the ocean, but researchers worry they may not be able to adapt if food sources become scarce due to global warming.

Apple iPhone 17 Pro

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

Buying experiences, not possessions, leads to greater happiness

A psychology study finds that spending money on life experiences boosts well-being and satisfaction for both individuals and those around them. Experiences, such as meals out or theater tickets, satisfy higher-order needs like social connectedness and vitality, leading to longer-term happiness.

Effects of smoking linked to accelerated aging protein

A University of Iowa study found that smoking decreases a key protein in lung cells, leading to cell aging and damage. The team suggests targeting Werner's syndrome protein for developing treatments for smoking-related diseases like emphysema.

Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Host shift triggers cascading effect on ecosystem, research finds

A study published in Science shows that when the apple maggot shifted hosts from hawthorn to European apples, it triggered a cascade of evolutionary changes in a parasitic wasp. The research reveals the process of speciation in action and sheds light on biodiversity's role in creating new species.

NOAA-N Prime environmental satellite successfully launched

The NOAA-N Prime spacecraft has been launched into space, improving weather forecasting and monitoring environmental events around the world. The satellite will collect vital data on the Earth's surface and atmosphere, supporting NOAA's weather forecasts and providing critical inputs for search and rescue operations.

NSF-funded workshops help young researchers teach science

Michigan State University's NSF-funded Faculty Institutes for Reforming Science Teaching will train 200 postdoctoral researchers to teach scientifically. The program aims to equip future college professors with skills for teaching science effectively, using inquiry-based learning and promoting scientific literacy.

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.

Long-sought protein structure may help reveal how 'gene switch' works

Researchers at NIST and Brookhaven National Laboratory have defined the structure of a metabolic switch found inside most types of bacteria, revealing how a key protein regulates genes involved in bacterial survival. The discovery could lead to new methods for preventing tuberculosis and other pathogenic diseases.

First North American antenna enables next phase in ALMA Observatory

The ALMA Observatory has accepted its first North American antenna, marking a significant milestone in the project. The 12-meter-diameter antenna was delivered by General Dynamics SATCOM Technologies and will enable astronomers to probe phenomena beyond the reach of visible-light telescopes with unprecedented sharpness.

It's the hard work that fosters responsibility in teen programs

A new study by Wake Forest University researchers found that teen programs most effectively promote responsibility when they assign difficult tasks, provide ownership, and hold teens accountable for their work. The study surveyed over 100 high schoolers participating in various summer and after-school programs.

Do children understand how feelings affect school performance?

A new study found that children comprehend the link between feelings and performance, but only for negative emotions. Children of all ages understood how emotional states impact school performance, while younger children struggled to grasp the connection between positive emotions and improved performance.

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.

Cracking a controversial solid state mystery

Scientists at the University of Nottingham and the University of California, Berkeley have provided evidence for a new kind of sudden transition between liquid and solid glass. This transformation occurs when molecules are viewed in both space and time, guiding towards methods for producing stronger and longer-lasting glass.

Losing weight can cure obstructive sleep apnea in overweight patients

A new study shows that losing weight is the most effective way to reduce obstructive sleep apnea (OSA) symptoms and associated disorders. The study found that weight loss of more than 20 pounds resulted in markedly lower OSA symptoms and improvements in co-morbidities such as hypertension, high cholesterol, and diabetes.

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.

OCRF and GCF fund new ovarian cancer symptoms study

The Ovarian Cancer Research Fund (OCRF) and the Gynecologic Cancer Foundation (GCF) have jointly funded a new study on ovarian cancer symptoms, aiming to develop a systematic screening process. Dr. Barbara Goff will lead the three-year study, which seeks to create a symptom index for early detection.

New guideline for prescribing opioid pain drugs published

The new guideline provides recommendations for clinicians on how to safely prescribe potent opioid pain medications for patients with chronic non-cancer pain. Key findings include the importance of careful patient selection, monitoring, and ongoing assessment to minimize risks of abuse and addiction.

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.

Accidental discovery has potential for new applications in packaging

Researchers at Case Western Reserve University discovered a nanotechnology-based technique to block damaging gas transport through polymers, making them stronger and more efficient. This breakthrough has potential applications in food and medicine packaging, as well as electronic equipment protection.

Wireless drug control

Researchers highlight potential security concerns for remote intelligent drug delivery systems, which could compromise patient safety. The team proposes implementing robust security mechanisms to mitigate hacking risks.

Good news: Teenagers found willing to help their parents

A study by researchers at the University of Rochester and others found that teenagers feel relatively obligated to help their parents, even when requests clash with personal desires. Parents tend to think it's more acceptable for teens to say no in such situations, suggesting a balance between family needs and individual preferences.

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.

Scientists can predict nano drug outcome

Researchers used contrast agents in liposomes to determine if they could breach breast tumors. Tumors with better images of the contrast agents showed better therapeutic results when treated with a cancer drug called liposomal doxorubicin.

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.

Rural areas able to increase screening capacity for colorectal cancer

A study found that rural physicians in Arizona estimated they could increase their endoscopic procedures by 53.1%, while urban physicians estimated an additional 35.7% with improved compensation. The potential increase is attributed to the growing population of older individuals moving to warmer climates.

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.

Inner workings of photosynthesis revealed by powerful new laser technique

A new laser-based technique has unraveled some of the inner workings of photosynthesis by capturing instantaneous images of energy transport between electrons in molecules. This allows scientists to gain a deeper understanding of the complex mechanisms involved, which is crucial for harnessing this process as an alternative energy source.

Psychological impact found in adolescents with kidney transplants

A study reveals that adolescents who undergo kidney transplants have a significantly higher prevalence of psychiatric conditions, including depression, phobia, and ADHD. They also experience educational impairment and social isolation. The study highlights the need for routine screening and support to address these challenges.

Multi-teraflop computer system targets large-scale discovery projects

The system will enable researchers from seven disciplines to perform virtual experiments and address open problems in their fields, including infectious disease dynamics, material development, and human interactions. The instrument is expected to promote technology transfer and enhance the diversity of computational science talent.

Constant compressions critical to CPR

Researchers found that every second of compression pause reduces the likelihood of successful return of spontaneous circulation (ROSC) by 1%. Effective CPR requires minimal interruptions, with powerful chest compressions being crucial.

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.

Wolf in dog's clothing? Stanford study reveals twist in fur color

A Stanford study finds that dogs that bred with wolves thousands of years ago passed on a genetic mutation for dark coat color to their wild ancestors. This mutation is now found in nearly exclusive in North America's black wolf population, which has a selective advantage over lighter-colored wolves in forested areas.

Safety guide launched for new 3-D dental scans

The European Academy of Dental and Maxillofacial Radiology has established 20 'Basic Principles' for safe use of Cone Beam Computed Tomography (CBCT) in dentistry. The guidelines cover areas such as justification, optimization, and training to protect patients from excessive radiation.

Are we selling personalized medicine before its time?

A study published in PLoS Genetics found that genetic screening for diseases like cancer and heart disease may not accurately predict individual risk due to limited genetic variants associated with each condition. This limits the effectiveness of personalized genetic testing currently offered by companies.

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.

Mutant rats resist warfarin

Researchers identified eighteen new genetic changes in rats from four continents that enable resistance to warfarin. VKORC1 gene mutations may cause heritable resistance by preventing coumarin derivatives from interfering with the reductase enzyme activity.

Rapidly evolving gene contributes to origin of species

A rapidly evolving gene contributes to the origin of new species by driving an evolutionary arms race inside cells. The Nup160 and Nup96 genes, which code for gatekeepers of a cell's nucleus, have become incompatible between closely related fruit fly species.

Sea level rise could be worse than anticipated

A new study published in Science suggests that a collapse of the West Antarctic Ice Sheet could lead to significantly higher sea level rise than currently projected, with devastating effects on coastal areas and global sea levels. The research takes into account various forces, including gravity, changes in the Earth's rotation, and la...

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.

Columbia research shows novel benefits of fatty acids in arteries

A Columbia University study found that a diet rich in fish oils can prevent fat accumulation in arteries and lower cholesterol levels. The researchers discovered that omega-3 fatty acids inhibit the entry of 'bad' cholesterol into arteries, providing new insights into heart health benefits.

Building trust, increasing awareness among minorities

A study by Michigan State University found that higher medical mistrust among minority women led to late breast cancer screening. The AACR is working to address these issues through research and education. Recruiting diverse patients into clinical trials also poses challenges, with incentives often not effective.

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.