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Science News Archive July 2007 - Page 6


Page 6 of 16

Study finds association between low cholesterol levels and cancer

A new study published by the American College of Cardiology found an association between low cholesterol levels and increased cancer risk. The research suggests that patients with high doses of statins may be at a higher risk of developing certain types of cancer.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateJul 23, 2007

Low literacy equals early death sentence

A new study from Northwestern University's Feinberg School of Medicine reveals that older people with inadequate health literacy had a 50 percent higher mortality rate over five years than those with adequate reading skills. Low health literacy was the top predictor of mortality after smoking, surpassing income and years of education.

SourceNorthwestern University·JournalArchives of Internal Medicine·DateJul 23, 2007
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.

Study confirms that NSAIDs treatment can reduce colorectal cancer risk

Researchers found a 15% reduction in colorectal cancer diagnosis among patients with osteoarthritis who took NSAIDs, consistent with previous findings on pre-cancerous polyps. The study supports the need for further research to identify safe NSAID agents for regular preventive therapy.

SourceMassachusetts General Hospital·JournalJournal of General Internal Medicine·DateJul 23, 2007

Did pterosaurs feed by skimming?

Scientists from PLOS Biology overturned the previously held belief that pterosaurs fed by skimming, revealing that drag forces would have imposed too great an energetic cost. The findings suggest that even smaller pterosaurs lacked necessary adaptations for skim-feeding, explaining its rarity in modern birds.

SourcePLOS·JournalPLOS Biology·DateJul 23, 2007

Unintended pregnancy predicts feelings that parenting is a burden

Research at the University of Missouri-Columbia found that pregnant women's feelings about pregnancy are crucial in shaping their toddlers' attachment security. Mothers who struggled with pregnancy acceptance were more likely to feel overwhelmed by parenthood, highlighting the need for supportive policies and social services.

SourceUniversity of Missouri-Columbia·JournalJournal of Marriage and Family·DateJul 23, 2007

Studies affirm need for influenza and measles vaccinations in HIV-infected patients

Two new studies emphasize the importance of delivering measles and influenza vaccines to HIV-infected individuals. Measles vaccine administered at age 9 months showed limited protection in HIV-infected children, highlighting the need for supplementary vaccinations to maintain immunity. In contrast, rates of influenza vaccination among ...

SourceInfectious Diseases Society of America·JournalThe Journal of Infectious Diseases·DateJul 23, 2007
Apple iPhone 17 Pro

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

Study sheds light on why humans walk on two legs

Researchers studied chimpanzees trained on treadmills and found that bipedalism used about 75% less energy and burned 75% fewer calories than quadrupedal walking. The team also discovered that some chimps walked on two legs with similar energy expenditure to knucklewalking.

SourceUniversity of California - Davis·JournalProceedings of the National Academy of Sciences·DateJul 23, 2007

'Closing the front door' on homelessness

A two-pronged approach is showing success in preventing and ending homelessness by helping those currently homeless while closing the front door on homelessness. The special issue outlines innovative strategies for specific groups at high risk, including veterans, individuals with substance use and mental health conditions, and vulnera...

SourceSpringer·JournalThe Journal of Primary Prevention·DateJul 23, 2007

Patients with TB should be more involved in decisions about their treatment

A study published in PLOS Medicine found that TB patients often take their medications under difficult conditions, highlighting the need for support systems tailored to their needs. Patient involvement in decision-making is crucial to improve treatment adherence and reduce the global disease burden of tuberculosis.

SourcePLOS·JournalPLOS Medicine·DateJul 23, 2007

Nicotine rush hinges on sugar in neurons

A University of Southern California study reveals that sugar molecules attached to the surface of the receptor act as a hinge, opening a gate in the cell membrane and transmitting news of nicotine's arrival. The research also identifies a water molecule deep in the receptor's core, which may enable the receptor to alter its shape.

SourceUniversity of Southern California·JournalNature Neuroscience·DateJul 22, 2007
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.

A novel molecular dictator 'with a conscience' discovered

UNSW researchers have uncovered a naturally occurring mechanism to control 'bad' cells causing blood vessel blockages while leaving 'good' cells unaffected. This discovery could benefit those undergoing heart surgery or haemodialysis by targeting specific gene suppressors like YY1.

SourceUniversity of New South Wales·JournalCirculation Research·DateJul 22, 2007

Tightly packed molecules lend unexpected strength to nanothin sheet of material

Researchers at the University of Chicago and Argonne National Laboratory have created a nanothin sheet of nanoparticles that boasts surprising strength, rivalling that of an ultrathin sheet of plexiglass. The material's characteristics make it a promising candidate for use in pressure sensors and chemical filters.

SourceUniversity of Chicago·JournalNature Materials·DateJul 22, 2007

Bending polymers provides spontaneous way to duplicate beauty of nature

Scientists at Hebrew University of Jerusalem Racah Institute of Physics have developed a way to program polymer sheets to bend and wrinkle into prescribed structures. By varying the local polymer density, the gel shrinks at specific temperatures, causing it to buckle and change shape.

SourceThe Hebrew University of Jerusalem·JournalScience·DateJul 22, 2007

Adverse reactions of natural health products/drugs under-reported, study shows

A study by the University of Alberta finds that adverse reactions to natural health products are being under-reported, with only 1.5% of pharmacists reporting suspected events to Health Canada. The lack of data on interactions makes it difficult to provide useful advice for managing adverse reactions.

SourceUniversity of Alberta·JournalAnnals of Pharmacotherapy·DateJul 20, 2007
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.

European Patent Office launches patent information service in Russia

The European Patent Office has launched a patent information service in Russia, providing free access to millions of patent documents and stimulating competition and innovation. Russian researchers can now easily find state-of-the-art information, identify new research challenges, and collaborate with foreign partners.

SourceISC-Intelligence in Science·DateJul 20, 2007

How do newcomers make changes in long-standing groups?

Research in PSPB finds that newcomers' statements arouse less agreement and more negativity than those from old-timers, making it harder for them to bring about positive change. However, authors suggest that newcomers can gain more influence by showing commitment to their group identity.

SourceSAGE·JournalPersonality and Social Psychology Bulletin·DateJul 20, 2007

Researchers plumb mysteries of Antarctic Mountains

Scientists at Columbia University's Lamont-Doherty Earth Observatory report that the Transantarctic Mountains formed from the remnants of a gigantic high plateau. The study reveals that the adjacent land sank, and glaciers accentuated the topography, leading to peaks up to 4.5 kilometers high.

SourceColumbia Climate School·JournalGeology·DateJul 20, 2007
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.

Cancer research summaries

A retrospective study published in The Lancet found no excess risk of cancer among individuals who received blood products from donors with previously diagnosed cancers. The study included over 12,000 exposed individuals and 342,082 unexposed individuals, concluding that long-term cancer survivors might be a safe donor group.

SourceEuropean School of Oncology·JournalThe Lancet·DateJul 20, 2007

Early behavior problems appear to lead to peer rejection and friendlessness

A new study found that early behavior problems in elementary school are associated with increased risk of peer rejection, loneliness, and depression in adolescence. Children who exhibit disruptive or anxious behavior in early childhood are more likely to lack friends and be rejected by their peers.

SourceSociety for Research in Child Development·JournalChild Development·DateJul 20, 2007

Health-care providers could help avert depression in fathers of children with fatal cancer

A study published in The Lancet Oncology found that parents' intellectual and emotional awareness time of their child's impending death is strongly associated with future health outcomes. Healthcare providers can play a crucial role in reducing long-term depression, employment issues, and psychological problems by providing adequate in...

SourceThe Lancet_DELETED·JournalThe Lancet Oncology·DateJul 20, 2007
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.

Magnetic tape analysis 'sees' tampering in detail

The National Institute of Standards and Technology (NIST) has improved a real-time magnetic microscopy system to analyze magnetic audio and video tapes with four times the resolution previously available. This faster and more accurate system reduces risk of contaminating tapes and offers enhanced forensic capabilities.

SourceNational Institute of Standards and Technology (NIST)·DateJul 20, 2007

Yearly mammograms protect breast cancer survivors

A study by the Cancer Research Network found that regular post-therapy surveillance lowers the rate of death from breast cancer in older women. The researchers examined nearly 2,000 patients age 65 and older with stage I and II breast cancer and found that annual mammograms can decrease death rates.

SourceGroup Health Research Institute·JournalJournal of Clinical Oncology·DateJul 20, 2007

Improvement following ADHD treatment sustained in most children

A major follow-up study found that most children treated for ADHD showed sustained improvement after three years, but behavioral problems persisted. Children who responded well to medication initially were more likely to deteriorate over time, highlighting the need for continued treatment.

SourceNIH/National Institute of Mental Health·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateJul 20, 2007

Status of adolescent peer groups plays role in understanding groups influence on early teen behavior

A new study found that popular peer groups have a profound influence on early teen behavior, causing children to become more similar in behavior to their group members. Conversely, well-liked groups have little impact, except for adolescents who are part of disliked groups, which can lead to increased deviant behavior.

SourceSociety for Research in Child Development·JournalChild Development·DateJul 20, 2007

Evaluations aim to advance translation technology

NIST researchers evaluated prototype two-way translation systems in laboratory and outdoor tests with English-speaking U.S. Marines and Iraqi Arabic speakers. The TRANSTAC program focuses on English and Iraqi Arabic translation capabilities, aiming to improve field translators and enable real-time communication in critical situations.

SourceNational Institute of Standards and Technology (NIST)·DateJul 20, 2007
Fluke 87V Industrial Digital Multimeter

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

Identified main genetic variants involved in response to HIV

Researchers have identified two gene variants associated with immune system capacity against HIV, and a third variant linked to immune damage. These findings may lead to more targeted vaccines and tailored treatments.

SourceIDIBAPS - Institut d'Investigacions Biomèdiques August Pi i Sunyer·JournalScience·DateJul 20, 2007

High school theater program helped strengthen adolescents' emotional development

Researchers found that a high school theater program helped adolescents develop emotional intelligence by learning to respond constructively to different emotions. The program provided a culture of acceptance and concern for others, where youth could engage in emotional learning through rehearsal experiences.

SourceSociety for Research in Child Development·JournalChild Development·DateJul 20, 2007

One species, many genomes

Researchers found nearly four percent of Arabidopsis genes are variable and some are non-functional, revealing a highly adaptable plant with a streamlined genome. The study suggests that environmental conditions drive gene variation, enabling plants to adapt to different climates.

SourceMax-Planck-Gesellschaft·JournalScience·DateJul 20, 2007

Groundbreaking research changing geological map of Canada

Researchers from the University of Alberta have discovered that portions of Canada collided at least 500 million years earlier than thought. This finding has significant implications for our understanding of how North America's continental fragments assembled billions of years ago.

SourceUniversity of Alberta·JournalGeology·DateJul 20, 2007
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.

A sense of crisis is imperative for recycling efforts to work

A sense of urgency and patriotism are essential for successful recycling efforts, according to a new study in Historical Research. Increased recycling rates were seen after World War I and II, but declined after the conflicts ended due to post-war consumerism.

SourceBlackwell Publishing Ltd.·JournalHistorical Research·DateJul 20, 2007

Young children's defiance toward mothers may be part of health development

Researchers found that young children's defiance towards mothers is linked to emerging autonomy and confidence in controlling events. Children with sensitive mothers were more likely to be defiant, while those with depressed mothers were less likely to respond with defiance.

SourceSociety for Research in Child Development·JournalChild Development·DateJul 20, 2007

Mathematical model identifies genes which battle hepatitis C

A joint research by Dr. Leonid Brodsky and Dr. Milton Taylor identified 37 genes out of 22,000 possible genes which fight the hepatitis C virus. The study's mathematical model can be applied to identify key genes in patient response to treatment, potentially leading to more effective medications.

SourceUniversity of Haifa·JournalPLOS ONE·DateJul 19, 2007
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.

Pediatric ritalin use may affect developing brain, new study suggests

A new study by Weill Cornell Medical College found that young rats given Ritalin injections from week-old age showed significant brain changes linked to higher executive functioning and addiction. Changes resolved with time, but the findings suggest doctors must be careful in diagnosing ADHD before prescribing Ritalin.

SourceNewYork-Presbyterian·DateJul 19, 2007

'Preconditioning' helps protect brain's blood vessels from stroke

Researchers at Weill Cornell Medical College have discovered that preconditioning, a process where the brain is challenged with a small noxious stimulus, can shield blood vessels from stroke injury. This study found a 68% reduction in stroke intensity and a 114% boost in blood flow in areas unaffected by the stroke.

SourceNewYork-Presbyterian·DateJul 19, 2007

Restless legs genetics on the move

A study published in Nature Genetics has identified three genes associated with restless legs syndrome (RLS), a condition characterized by an urge to move and paresthesia in the legs. The findings provide new insights into the genetic causes of RLS, which affects up to 10% of people over 65 years old.

SourceHelmholtz Munich (Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH))·JournalNature Genetics·DateJul 19, 2007
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.

JCI table of contents: July 19, 2007

A study on mucins reveals their crucial role in protecting the gut from bacterial infection. In contrast, lupus research identifies shared signaling networks active in B cells from genetically distinct mouse models. Meanwhile, a new study shows that blocking ERK1/2 activation can prevent congenital heart defects in mice with Noonan syn...

SourceJCI Journals·JournalJournal of Clinical Investigation·DateJul 19, 2007

UGA study explains why anti-smoking ads backfire or succeed

A new UGA study explains how anti-smoking ads can either backfire or be effective, finding that youth are more likely to smoke when exposed to messages about their friends listening. The researchers suggest that health campaigns should focus on changing social norms and designing multi-year efforts with a nuanced approach.

SourceUniversity of Georgia·JournalCommunication Research·DateJul 19, 2007

Study links manic depression with brain tissue loss

Researchers at the University of Edinburgh have found that people with bipolar disorder experience accelerated brain tissue loss, particularly in areas controlling memory, face recognition, and coordination. The study shows that repeated episodes of illness can lead to greater brain loss and decline in mental ability.

SourceUniversity of Edinburgh·JournalBiological Psychiatry·DateJul 19, 2007
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.

Molecular detectors may refine cancer treatment

Researchers at the University of Florida have developed a new method to detect subtle differences in leukemia cells using molecular probes called aptamers. This technique has the potential to improve diagnosis and treatment for cancer patients by providing more precise and personalized care.

SourceUniversity of Florida·JournalClinical Chemistry·DateJul 19, 2007

New proteomics research promises to revolutionize biomedical discovery

A research team led by Dr. Benoit Coulombe has developed a powerful proteomics approach to infer putative functions of previously uncharacterized proteins by identifying their interaction partners. The study reveals an intricate network of protein interactions that connect together 436 different proteins.

SourceInstitut de recherches cliniques de Montreal·JournalMolecular Cell·DateJul 19, 2007

Probing biology's dark matter

A new microfluidics device has enabled researchers to analyze a rare bacteria found in the human mouth and sequence over 1,000 genes from an unstudied group of bacteria, known as TM7. This breakthrough technology holds promise for advancing microbial ecology and discovering new species.

SourceHoward Hughes Medical Institute·JournalProceedings of the National Academy of Sciences·DateJul 19, 2007

Self-injury found to be common in high-school students

A new study suggests that non-suicidal self-injury (NSSI) is a common occurrence among high school students, with nearly half of teens experiencing NSSI in the past year. The most common reasons for engaging in NSSI include regulating emotional states and managing situations.

SourceLifespan·JournalPsychological Medicine·DateJul 19, 2007

2 drugs better than 1 in lowering blood pressure

The combination of aliskiren and valsartan significantly lowers blood pressure in patients with hypertension, with a mean drop of 12.2mm Hg compared to 9.0mm Hg for monotherapy. However, the treatment is limited by potential life-threatening side effects, including hyperkalemia.

SourceThe Lancet_DELETED·JournalThe Lancet·DateJul 19, 2007
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Scientists a step closer to understanding how anaesthetics work in the brain

Researchers have identified a specific amino acid in the potassium channel protein that blocks anaesthetic activation, paving the way for targeted anaesthetics with fewer side effects. This discovery could lead to improved understanding of how anaesthetics work and the development of new, more specific alternatives.

SourceImperial College London·JournalJournal of Biological Chemistry·DateJul 19, 2007

Genomic analysis uncovers new targets for HIV vaccine

Researchers have discovered three gene variants in HIV-infected patients that may help fight off the virus and delay AIDS onset. The genes, particularly HLA-C, could be key targets for an HIV vaccine designed to boost immune system control.

SourceDuke University Medical Center·JournalScience·DateJul 19, 2007

New clue into how diet and exercise enhance longevity

A study published in Science found that maintaining a healthy lifestyle through diet and exercise can extend lifespan by reducing insulin-like signaling in the brain. The researchers discovered that mice with reduced insulin receptor substrates lived 18% longer, while also showing improved metabolic health.

SourceHoward Hughes Medical Institute·JournalScience·DateJul 19, 2007

Rural communities revived by energy

A study funded by ESRC found that community renewable energy projects are largely based in the countryside, revitalizing local economies and alleviating poverty. The projects generate energy renewably at a local level, involving wind turbines, solar panels, and shared heating systems.

SourceEconomic & Social Research Council·DateJul 19, 2007

Genetic diversity in honeybee colonies boosts productivity

A study by Cornell scientists found that genetically diverse honeybee colonies produced 30% more comb, stored 39% more food, and maintained foraging levels 27-78% higher than genetically uniform colonies. These colonies also gained weight due to sophisticated communication mechanisms like waggle dancing.

SourceCornell University·JournalScience·DateJul 19, 2007
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.

Protein protects anti-cancer gene from chemical shutdown

Researchers at the University of Texas M.D. Anderson Cancer Center discovered that a protein called IKK-alpha protects an important cell defense mechanism from silencing in skin cancers. The protein prevents DNA methylation, which normally silences the checkpoint gene 14-3-3-sigma.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalMolecular Cell·DateJul 19, 2007

Alternative farming cleans up water

A study by University of Minnesota researchers found that alternative cropping systems reduced nitrate levels in surface and ground water by 41-62% compared to conventional farming practices. Increasing cropping system biodiversity can improve water quality.

SourceAmerican Society of Agronomy·JournalJournal of Environmental Quality·DateJul 19, 2007

MIT IDs link between brain tumor proteins

MIT scientists have discovered a connection between two proteins found in brain tumors that could help treat glioblastoma multiforme (GBM), the most aggressive form of brain cancer. Attacking both EGFRvIII and c-Met simultaneously is more effective than targeting either protein alone, offering new hope for treating this deadly disease.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateJul 19, 2007
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.