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Science News Archive March 2008 - Page 13


Page 13 of 19

Monthly personal counseling helps maintain weight loss

Researchers found that personal contact and computer-based support systems helped participants maintain weight loss for two and a half years. Over 70% of participants weighed less at the end of the study than when they started, with those in the personal contact group achieving the highest success rate.

SourceDuke University Medical Center·JournalJournal of the American Medical Association·DateMar 11, 2008

Researchers ID behavioral risk factors for head and neck cancers

Researchers identified distinct behavioral risk factors for head and neck cancers caused by human papillomavirus (HPV) versus those not caused by HPV. HPV-positive cancers were linked to sexual behaviors and marijuana use, while HPV-negative cancers were associated with tobacco smoking, alcohol use, and poor oral hygiene.

SourceJohns Hopkins Medicine·JournalJNCI Journal of the National Cancer Institute·DateMar 11, 2008
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.

Post brain injury: New nerve cells originate from neural stem cells

Researchers have discovered that reactive glial cells in injured brains can differentiate into new nerve cells through the activation of neural stem cells. This finding has significant implications for the development of therapies for brain injuries.

SourceHelmholtz Munich (Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH))·JournalNeuroscience·DateMar 11, 2008

Epigenetic changes discovered in major psychosis

Researchers found approximately one in every two hundred genes showed an epigenetic difference in the brains of psychiatric patients. These changes were noted on genes involved in neurotransmission, brain development, and other processes linked to disease origins.

SourceCentre for Addiction and Mental Health·JournalAmerican Journal of Human Genetics·DateMar 11, 2008

Chicago neuroscientist contributes to book on brains and baseball

A new book by Steven Small and colleagues examines how the brain functions when people participate in sports as athletes, coaches, and fans. The study reveals that professional athletes activate only critical regions of the brain, while novices have to engage multiple regions due to emotional involvement.

SourceUniversity of Chicago Medical Center·DateMar 11, 2008

Gene hunters fine-tune marker for common obesity gene

A genetic marker for obesity has been refined to better understand its role in various human populations. The finding suggests an ancient mutation that first arose in Africa may be a key factor in the development of obesity.

SourceChildren's Hospital of Philadelphia·JournalPLOS ONE·DateMar 11, 2008
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.

Wisconsin researchers describe how digits grow

Researchers at the University of Wisconsin-Madison studied embryonic chick feet to understand digit growth. They found that phalanges form from mesenchymal cells, not cartilage, and are shaped by complex signals from genes. This discovery may help explain bradydactyly conditions in humans.

SourceUniversity of Wisconsin-Madison·JournalProceedings of the National Academy of Sciences·DateMar 11, 2008

Insecticide combo delivers knockout punch

A combination of an insect protein and Bt toxin kills crop pests more effectively than either ingredient alone, inhibiting growth rate and reducing resistance. Researchers found a synergistic effect increasing mortality rates by over 10 times.

SourcePenn State·JournalPLOS ONE·DateMar 11, 2008

New twist on life's power source

Marine microorganisms have evolved a way to break the rules of photosynthesis, releasing less oxygen and absorbing fewer carbon dioxide. This discovery impacts our understanding of photosynthesis and its effect on atmospheric carbon dioxide levels.

SourceCarnegie Institution for Science·JournalBiochimica et Biophysica Acta·DateMar 11, 2008
Celestron NexStar 8SE Computerized Telescope

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

Study shows long-term weight control is achievable

A study by the American Heart Association found that individuals who received monthly personal counseling maintained significant weight loss over a 30-month period. The results showed that 42% of participants lost at least 4kg and 71% weighed less than their initial weight.

SourceAmerican Heart Association·DateMar 11, 2008

A new mouse model of mania

Researchers have created a new mouse model of mania, allowing them to study the complex interactions between genetic and environmental factors contributing to bipolar disorder. The study found that mice missing the GluR6 gene exhibited symptoms of mania, including increased activity, reduced anxiety, and aggressive behavior.

SourceMolecular Psychiatry·JournalMolecular Psychiatry·DateMar 11, 2008

Modern physics is critical to global warming research

Researchers like Brad Marston use statistical physics to analyze climate patterns, providing insights into the driving concepts behind global warming. By focusing on the larger mechanisms that drive changes in rainfall, scientists can improve their understanding of climate change and its effects.

SourceBrown University·JournalJournal of the Atmospheric Sciences·DateMar 11, 2008
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.

Life expectancy rises for the educated; the less-educated reap no benefit

Research from Harvard Medical School reveals that life expectancy rises significantly for individuals with more than 12 years of education, while those with less education experience little to no improvement. The study attributes the mortality gap between educated and less-educated individuals to smoking-related illnesses.

SourceHarvard Medical School·JournalHealth Affairs·DateMar 11, 2008

Structure reveals how cells 'sugar-coat' proteins

Researchers have uncovered the structure of a protein complex responsible for adding sugar molecules to proteins, crucial for many protein functions. The discovery may help understand diseases resulting from faulty glycosylation processes.

SourceDOE/Brookhaven National Laboratory·JournalStructure·DateMar 11, 2008
Apple iPhone 17 Pro

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

Specialized hospital care associated with better survival in Dutch ovarian cancer patients

A nationwide study in the Netherlands found that women diagnosed with early-stage ovarian cancer treated at semispecialized or specialized hospitals survived longer than those treated at general hospitals. The estimated five-year survival improved with increasing specialization of the treatment facility, from 38% to 40.3%.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateMar 11, 2008

Joint research: Probing the mysteries of a surprisingly tough hydrogel

Scientists at NIST have created a synthetic cartilage replacement that can withstand hundreds of pounds of pressure and is pliable like gelatin. The double-network hydrogels' unique structure helps dissipate deformation energy, allowing them to endure large deformations without breaking apart.

SourceNational Institute of Standards and Technology (NIST)·DateMar 11, 2008

Biologists at UC San Diego identify key protein in cell's 'self-eating' function

UC San Diego researchers have identified a novel protein called Atg30 that controls peroxisome degradation, a process linked to cell growth, aging, and homeostasis. The discovery allows scientists to control this aspect of cellular autophagy, potentially leading to new insights into aging, immunity, neurodegeneration, and cancer.

SourceUniversity of California - San Diego·JournalDevelopmental Cell·DateMar 11, 2008

UIC researchers may have found test for depression

Researchers at University of Illinois Chicago discovered a new biomarker for depression by analyzing the location of a protein in the brain. The study found that depressed individuals have a greater proportion of Gs alpha protein confined to lipid rafts, which can be used to predict the efficacy of antidepressant therapy.

SourceUniversity of Illinois Chicago·DateMar 11, 2008
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.

Increased carbon dioxide in atmosphere linked to decreased soil organic matter

A recent study at the University of Illinois found that increased carbon dioxide in the atmosphere leads to decreased soil organic matter, contradicting expectations. The researchers attribute this finding to increased moisture in the soil, which accelerates decomposition and reduces soil productivity.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalPlant and Soil·DateMar 11, 2008

Confronting the challenge of antimicrobial resistance

The National Institute of Allergy and Infectious Diseases (NIAID) is addressing the growing challenge of antimicrobial resistance through a multifaceted research approach. The institute is investing over $800 million annually in basic and translational research to understand the causes, consequences, and treatments of antimicrobial dru...

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalThe Journal of Infectious Diseases·DateMar 10, 2008

Advanced-stage ovarian cancer patients with BRCA live longer, may respond better to treatment

Researchers found advanced-stage ovarian cancer patients with non-Ashkenazi Jewish BRCA mutations experience longer progression-free and overall survival rates compared to those without BRCA mutations. Additionally, a majority of women with ovarian cancer are unaware that BRCA testing is available, despite it potentially improving thei...

SourceUniversity of Texas M. D. Anderson Cancer Center·DateMar 10, 2008
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.

New technique puts DNA profiling of E. coli on fast track

Scientists at Michigan State University have developed a new genetic technique that allows for rapid analysis of E. coli bacteria using single nucleotide polymorphisms (SNPs). This breakthrough enables the identification of specific bacterial groups and their associated toxins, which can help predict disease outbreaks.

SourceMichigan State University·JournalProceedings of the National Academy of Sciences·DateMar 10, 2008

Scientists simulate pandemic influenza outbreak in Chicago

Researchers used computer simulation models to examine the impact of various intervention strategies on a pandemic influenza outbreak in a population similar to Chicago. The study found that providing preemptive household antiviral treatments and minimizing contact could play a major role in reducing the spread of illness.

SourceVirginia Tech·JournalProceedings of the National Academy of Sciences·DateMar 10, 2008

New UC analysis shows alarming increase in expected growth of China's carbon dioxide emissions

A new analysis by economists at the University of California, Berkeley and UC San Diego shows a significant increase in China's carbon dioxide emissions growth, far surpassing previous estimates. The study predicts an annual growth rate of at least 11 percent for China between 2004 and 2010.

SourceUniversity of California - San Diego·JournalJournal of Environmental Economics and Management·DateMar 10, 2008

A common genetic mechanism discovered in nitrogen-fixing plants

A French team found that a common genetic element, SymRK, is essential for nitrogen-fixing symbiosis between plants and bacteria. The study used transgenic plants to demonstrate the crucial role of SymRK in establishing symbiotic relationships.

SourceInstitut de recherche pour le développement·JournalProceedings of the National Academy of Sciences·DateMar 10, 2008
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.

Diesel exhaust inhalation stresses your brain

Inhalation of diesel exhaust induces stress response in brain activity, altering information processing. Researchers found that even short exposure can cause changes in brain waves, with effects lasting after subjects leave the room.

SourceBMC (BioMed Central)·JournalParticle and Fibre Toxicology·DateMar 10, 2008

Research shows promise for potential new gene therapy strategy for muscle-wasting diseases

Researchers identified a protein called follistatin that could lead to new clinical treatments for musculoskeletal diseases, including Duchenne muscular dystrophy. Gene-delivery therapy involving FS treated hind leg muscles of mice, resulting in increased muscle mass and strength, well-tolerated for over two years.

SourceNationwide Children's Hospital·JournalProceedings of the National Academy of Sciences·DateMar 10, 2008
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.

Poor sleep more dangerous for women

Researchers found that poor sleep is strongly associated with high levels of psychological distress, depression, anger, and hostility in women. Women who reported longer time to fall asleep had higher levels of inflammatory proteins and insulin.

SourceDuke University Medical Center·DateMar 10, 2008

March of Dimes seeks answers to preterm birth

The March of Dimes has awarded $3.5 million to scientists studying the role of genes and heredity in premature births. The organization aims to understand the causes of preterm birth, which affects over half a million babies annually.

SourceMarch of Dimes Foundation·DateMar 10, 2008

Pandemic flu may be well mitigated until vaccine is available

Researchers modelled pandemic flu to guide national planning, finding that prompt implementation of social-distancing measures combined with antiviral treatment and prophylaxis can reduce influenza cases by 83-94%.

SourceFred Hutchinson Cancer Center·JournalProceedings of the National Academy of Sciences·DateMar 10, 2008
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.

Potential brain cancer drug for children may damage bones

A novel brain cancer drug showed promising results in mice but caused permanent bone damage in younger animals. The study raises concerns about using similar drugs to treat children's cancers until further understanding of possible risks is gained.

SourceChildren's Hospital of Philadelphia·JournalCancer Cell·DateMar 10, 2008

Real and virtual pendulums swing as 1 in mixed reality state

Researchers at the University of Illinois created a mixed reality state in a physical system by coupling a mechanical pendulum with a virtual one. The resulting state showed correlated motion between the two pendulums, even when their lengths were dissimilar.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·DateMar 10, 2008

Health problems in Persian Gulf War veterans higher due to chemical exposure

A study by UCSD researchers reveals a link between chemical exposure and chronic, multi-symptom health problems in Persian Gulf War veterans. The study found that symptoms such as fatigue, muscle pain, and memory problems were more prevalent among veterans exposed to certain chemicals.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateMar 10, 2008

Make or break time for osteoporosis treatment

A recent study published in Osteoporosis International found that up to 50% of postmenopausal women with osteoporosis stop their treatment within a year due to side effects. The study showed that fractures have significant physical, psychological, and social implications on patients' quality of life.

SourceSpringer·JournalOsteoporosis International·DateMar 10, 2008

University of Pittsburgh researchers crack code of 3-D structure in key metabolic protein

Researchers at the University of Pittsburgh School of Medicine have deciphered the three-dimensional structure of a membrane-bound enzyme crucial to glycerol metabolism, a vital source of energy. The breakthrough could lead to advances against obesity, diabetes, and other diseases.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalProceedings of the National Academy of Sciences·DateMar 10, 2008
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.

IT pros with MBAs earn 46 percent more, says Management Insights study

A recent study by Management Insights found that IT professionals with MBAs earn 46% more than those without. In contrast, IT professionals with master's degrees other than an MBA earn 37% less. The study analyzed data on over 50,000 IT professionals in the US and found that firms value IT experience more than non-IT experience.

SourceInstitute for Operations Research and the Management Sciences·JournalManagement Science·DateMar 10, 2008

Biopsy techniques have made PSA test less predictive

A new study found that improved biopsy techniques have reduced the correlation between prostate-specific antigen (PSA) levels and positive biopsy results in men with a normal digital rectal exam. The study suggests that PSA tests are less useful for prostate cancer screening, highlighting the need for new diagnostic markers.

SourceWiley·JournalCancer·DateMar 10, 2008

Student Pugwash USA launches science policy election guide for young voters

The organization has launched a non-partisan resource to educate young voters on science, technology, and health issues, providing platforms of leading political candidates on these subjects. The guide explores various issues, including peace, energy, and emerging technologies, engaging students through interactive technologies.

SourceStudent Pugwash USA·DateMar 10, 2008

Evolved resistance to deadly toxic newts

A new study reveals that some snakes have evolved super-resistance to the toxic newt's poison, rendering it ineffective. This rare exception highlights a previously unknown aspect of co-evolutionary arms races and challenges our understanding of species interactions.

SourcePLOS·JournalPLOS Biology·DateMar 10, 2008
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.

Lung damage in babies with congenital heart disease under study

Researchers are investigating how biomechanical forces affect blood vessel growth in the lungs of babies with congenital heart disease. The study aims to understand the mechanisms behind this phenomenon and potentially develop improved treatments for affected children.

SourceMedical College of Georgia at Augusta University·DateMar 10, 2008

Handheld DNA detector

A portable DNA sequencer could aid environmental scientists, clinicians, and medical researchers in detecting genetic disorders. A new type of electronic device, the ion-selective field-effect transistor (ISFET), is being integrated into a DNA biosensor to measure changes in conductivity.

SourceInderscience Publishers·JournalInternational Journal of Nanotechnology·DateMar 10, 2008
Fluke 87V Industrial Digital Multimeter

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

Key found to breakthrough drug for clot victims

Researchers at OHSU and Washington University have identified the mechanism of a bioengineered enzyme that functions efficiently as a potent clot busting agent, retaining minimal power to cause clot building. The breakthrough could lead to a safe alternative for treating heart attacks and strokes with a $20 billion market potential.

SourceOregon Health & Science University·DateMar 10, 2008

Media highlights for February in Biophysical Journal

Researchers made a significant breakthrough in understanding the physics of translocation, showing that memory effects in polymeric molecules dominate their behavior. This discovery has major implications for drug delivery and gene therapy, as well as single-molecule characterization techniques.

SourceBiophysical Society·JournalBiophysical Journal·DateMar 10, 2008