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Science News Archive 2009


Page 189 of 277

Simple blood test proves powerful ally in the fight against malaria

Scientists at Karolinska Institutet have developed a simple blood test that provides accurate results, helping to ensure patients receive the right treatment. The rapid diagnostic tests (RDT) are being used in low-income countries to improve healthcare outcomes and combat malaria.

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.

Some short-term memories die suddenly, no fading

A new study published in Psychological Science found that short-term visual memories of colors and shapes can last for at least four seconds without gradually fading away. After this period, the memories disappear completely, providing a clearer understanding of how memory formation and retention work.

Native Americans descended from a single ancestral group, DNA study confirms

A DNA study confirms that Native Americans and Greenlanders share a common ancestral population, with the '9-repeat allele' present in all Native American populations and absent in other Asian groups. This evidence supports the single ancestral population theory, ruling out multiple mutations and natural selection hypotheses.

Study suggests new target for treatment of depression

A study by researchers at the University of Iowa found that disrupting ASIC1a, a brain protein involved in fear behavior and anxiety, produces an antidepressant-like effect in mice. The results suggest that ASIC1a inhibition could represent a new approach to antidepressant therapy.

FluChip technology licensed to combat deadly flu virus

The FluChip technology has been licensed by InDevR to detect the deadly flu virus. The test can distinguish between human H1N1 viruses and the new swine H1N1 subtype, a crucial gap in current diagnostics. This new tool has the potential to greatly enhance influenza surveillance and track the virus.

Apple iPhone 17 Pro

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

Are we cherry picking participants for studies of antidepressants?

A recent study found that only a small percentage of patients with depression qualify for clinical studies, suggesting the results may not be generalizable to most patients. The study showed better outcomes for those who met inclusion criteria, highlighting the need for more inclusive trial designs.

Study suggests left-side bias in visual expertise

Researchers discovered a preference for processing information on the left side of faces, which can aid in facial recognition. In contrast, experts who read Chinese characters exhibit reduced holistic processing and show a left-side bias, indicating general visual expertise.

Matrix protein key to fighting viruses

Researchers from Durham University have successfully mapped the high-resolution structure of the matrix protein, a critical component of enveloped viruses like RSV. This breakthrough could lead to the development of new biochemical tools to treat respiratory ailments and other viral infections.

New gamma-ray burst smashes cosmic distance record

Astronomers have discovered a gamma-ray burst from a star that died 630 million years ago, marking the most distant cosmic explosion ever seen. The burst, dubbed GRB 090423, is approximately 13 billion light-years away.

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.

Study finds higher drug co-pays discourage patients from starting treatment

A recent study by the RAND Corporation found that higher out-of-pocket costs for prescription medications deter patients with chronic illnesses from initiating recommended treatments. The delay in treatment is particularly pronounced among those who have not previously used medication, highlighting a potential barrier to care.

Findings uncover new details about mysterious virus

Researchers from Purdue University have determined key structural features of the mimivirus, a possible 'missing link' between viruses and living cells. The findings revealed a starfish-shaped structure that covers a special vertex where genetic material leaves the virus to infect its host.

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.

Depression linked with accumulation of visceral fat

Research at Rush University Medical Center found a strong correlation between depression and visceral fat, particularly among overweight and obese women. The study suggests that depression triggers the accumulation of visceral fat through chemical changes in the body.

New diagnostic advance seen for head, throat cancer

Researchers at Oregon State University have identified a genetic regulator called CTIP2 that is expressed at higher levels in aggressive types of head and neck cancers. The study found a high correlation between CTIP2 expression and the aggressive nature of cancer.

Unifying the animate and the inanimate designs of nature

Researchers at Duke University unify biological and geophysical principles of nature's design using the constructal law, which predicts flow systems' evolution to balance imperfections. This new perspective offers a powerful tool for understanding variation in both animate and inanimate nature.

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.

New insight into addictive behavior offers treatment hope

Researchers have found that attentional bias, a key factor in addiction, does not directly control the decision to consume unhealthy items. Instead, conscious rapid decision-making processes following Pavlovian-type cues may be at play. This new understanding could lead to more effective treatments.

WA discovery a key to blood cell development

Researchers have identified a key molecule called Liar that leads other molecules into the nucleus of blood cells, offering a potential treatment for cancer. A cellular enzyme known as Lyn has also been found to 'turn on' blood cell development, highlighting a new target for cancer therapy.

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.

Cardiac patients trial home-based rehabilitation

Patients with cardiac health problems are trialing a new, home-based rehabilitation system that uses mobile phone and web technology to promote healthy lifestyles. The program aims to improve access and completion rates for cardiac rehabilitation, with personalized goals and support via text messages and video conferencing.

DOE funds research center to understand carbon storage underground

The US Department of Energy has funded a research center at Lawrence Berkeley National Laboratory to study carbon storage underground. The Center aims to develop new technologies to sequester CO2 and manage fluid dynamics, chemical interactions, and biological reactions in the subsurface.

Google Earth aids discovery of early African mammal fossils

Researchers used Google Earth to locate a quarry site in Egypt where they discovered fossilized remains of small mammals from the early Miocene Epoch. The finds may provide insights into the migration of animals from Asia to Africa and the evolution of African wildlife.

Protein effects of hormone replacement therapy uncovered

A proteomic analysis of 50 participants from the Women's Health Initiative hormone replacement therapy trial reveals estrogen upregulates proteins involved in major body processes. The study found changes in serum levels of proteins affecting coagulation, metabolism, osteogenesis, and blood vessel morphogenesis.

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.

Experimental drug shows promise against head and neck cancer

Researchers at Albert Einstein College of Medicine found that an HDAC inhibitor, LBH589, is effective in killing head and neck cancer cells grown in the laboratory. The study identified a set of genes whose expression levels change in response to the drug, which may help doctors identify patients most likely to respond.

JNCI April 28 tip sheet

Researchers propose trial designs to investigate the impact of physical activity and weight control on breast cancer risk, with potential causal relationships. Clusterin is identified as a tumor suppressor gene in mouse models of neuroblastoma, where its expression affects tumor growth and metastasis.

Nanoneedle is small in size, but huge in applications

Scientists create nanoneedle to deliver molecules into cell cytoplasm and nucleus with precision, enabling single-molecule studies and molecular manipulation. The delivery method combines molecular targeting strategies using quantum dots and magnetic nanoparticles.

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.

Toward a systems biology map of iron metabolism

Researchers have constructed a systems biology map of iron metabolism, a crucial process in animal cell survival. The study aims to improve our understanding of iron regulation and its potential manipulation for therapeutic benefits.

Statins alter prostate cancer patients' PSA levels

A new study found that statins significantly lower PSA levels in men with prostate cancer, which may require adjusting the biopsy threshold for patients on statins. Statins have also been shown to lower prostate-specific antigen (PSA) levels in healthy men.

DOE makes largest Danforth Campus research award in history

Washington University and the Danforth Plant Science Center will be home to two new multimillion-dollar Energy Frontier Research Centers, pursuing advanced scientific research on energy. The centers aim to study forms of energy based on light harvesting and energy funneling.

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.

A longer lasting tumor blocker

A study by Japanese researchers found that a molecule called M-CSF can be used to block the formation of new blood vessels in tumors, suppressing growth even after treatment is stopped. This approach differs from existing VEGF-based treatments, which have been shown to have limited long-term effects.

May-June 2009 GSA Bulletin media highlights

Recent studies focus on North Sister volcano's glaciated history and the largest radial dike swarm in the Cascades. Sediment waves along submarine channels are also examined in the Espirito Santo Basin, Brazil, while a new study reveals highly explosive eruptions at Kilauea Volcano, Hawai'i.

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.

HJF publishes handbook on managing pain of battlefield trauma

The HJF has released the Military Advanced Regional Anesthesia and Analgesia Handbook, providing education on advanced battlefield regional anesthesia techniques and acute pain medicine. The handbook aims to manage the pain of combat trauma and is intended for use by deployed medical forces.

Anti-aging cosmetic reduced wrinkles in clinical trial

A clinical trial conducted by the University of Manchester found that No7 Protect & Perfect Intense Beauty Serum can clinically reduce wrinkles and improve sun-damaged skin. The study, which tested 60 volunteers, showed a significant improvement in facial wrinkles after 12 months of daily use.

We owe it all to comets

Researchers found that comets delivered necessary ingredients for life in the Earth's ancient primordial soup. The chemical composition of comets allowed them to kickstart life by providing stable proportions of noble gases.

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.

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.

The Millennium Development Goals are failing the poorest children

The Millennium Development Goals are failing to address high under-five child mortality amongst the country's most vulnerable groups. The goal of reducing average under-5 mortality by two-thirds by 2015 may be achieved, but inequity will persist if resources are allocated solely based on averages

Packard/Stanford study suggests two causes for bowel disease in infants

A new study from Lucile Packard Children's Hospital and Stanford University School of Medicine reveals that infants with bowel disease may have two distinct disease processes with different origins. The research suggests that premature infants, heart defect patients, and others with NEC may be affected by reduced blood flow to the bowe...

Mental health problems more common in kids who feel racial discrimination

A new study published in American Journal of Public Health found that 15% of fifth-grade students reported experiencing racial or ethnic discrimination, which may lead to symptoms of depression, ADHD, and other mental health disorders. The study highlights the need for parents, clinicians, and teachers to address this issue and provide...

Early brain activity sheds new light on the neural basis of reading

Research in PLOS ONE identifies early interactions between vision and language domains during reading, with the speech motor areas active simultaneously as words are processed. This finding has potential clinical applications for individuals with developmental dyslexia and acquired reading disabilities.

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.

BSSA special issue on rotational seismology

The BSSA special issue on rotational seismology discusses research on rotational ground motions, including theory, instrumentation, observation, and interpretation. Rotational effects from earthquakes have been observed for centuries, but were ignored due to practical difficulties in measuring them.

Large sponges may be reattached to coral reefs

A new study describes a method for reattaching large sponges to coral reefs, with 62.5% of sponges surviving at least 2.3-3 years. The technique uses sponge holders and can be applied to other large sponge species removed by human activities or storm events.