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Science News Archive August 2009 - Page 6


Page 6 of 22

Reject watermelons -- the newest renewable energy source

Researchers have discovered that the juice of 'cull' watermelons can be efficiently fermented into ethanol, producing approximately 220 L/ha. This process also yields valuable nutrients like lycopene and L-citrulline.

SourceBMC (BioMed Central)·JournalBiotechnology for Biofuels·DateAug 25, 2009

A potential therapeutic agent for hepatic fibrosis

Researchers have discovered a potential therapeutic agent for treating hepatic fibrosis, a scarring condition that impairs liver function and can lead to organ failure. The CCN2 hammerhead ribozyme shows promise in reducing collagen production and cell proliferation, offering new hope for millions affected by liver fibrosis.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateAug 25, 2009
Apple iPhone 17 Pro

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

Unlocking the body's defenses against cancer

Researchers found a way for healthy cells to take charge of cancerous cells by opening up communication channels, stopping them from developing into tumors. The chemicals, known as kinase inhibitors, appear to be relatively non-toxic and can persist even when withdrawn.

SourceUniversity of Manchester·JournalBritish Journal of Cancer·DateAug 25, 2009

UCLA scientists uncover immune system's role in bone loss

Researchers identify a link between high cholesterol and osteoporosis, with the immune system playing a key role in bone loss. The study found that oxidized LDL triggers an immune response, leading to excessive bone damage.

SourceUniversity of California - Los Angeles·JournalJournal of Clinical Immunology·DateAug 25, 2009
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.

New treatment option for ruptured brain aneurysms

Researchers have identified a new treatment option for patients with ruptured brain aneurysms using stent-assisted coil embolization, which was successful in 72% of cases. The procedure offers an alternative to surgical repair or balloon-assisted embolization, particularly for wide-necked aneurysms.

SourceRadiological Society of North America·JournalRadiology·DateAug 25, 2009

Hepatic injury in cholelithiasis and cholecystitis

Researchers found that acute transient hepatocellular injury occurs in patients with cholelithiasis and cholecystitis without evidence of CBD stones, resolving within weeks after surgery. Markers of liver damage are more severe in those with CBD stones or histologically less severe inflammation.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateAug 25, 2009
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.

Dental researchers confirm microRNAs as biomarkers for oral cancer detection

Researchers at UCLA have confirmed the effectiveness of measuring microRNAs in saliva to detect oral squamous cell carcinoma. The study identifies two specific microRNAs, miR-125a and miR-200a, that are present at significantly different levels in the saliva of individuals with oral cancer.

SourceUniversity of California - Los Angeles·JournalClinical Cancer Research·DateAug 25, 2009

MicroRNA in human saliva may help diagnose oral cancer

Researchers identified 50 microRNAs in saliva that could help detect oral cancer, including miR-125a and miR-200a. The findings suggest a major step forward in early oral cancer detection.

SourceAmerican Association for Cancer Research·JournalClinical Cancer Research·DateAug 25, 2009

Why Weight Watchers succeeds: Meetings provide a blend of spirituality and therapy

A study by Risto Moisio and Mariam Beruchashvili finds that Weight Watchers meetings offer a spiritual and therapeutic model for members seeking well-being. The authors conclude that the social function of weekly meetings extends far beyond weight loss, providing a powerful service to its clientele.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateAug 24, 2009

Placing ads: Location, location, location

Researchers found that ad placement affects consumer perception, with easier-to-read articles leading to more favorable evaluations of ads and products. Placing ads after difficult articles can have negative effects, while ads unrelated to the article may be more positively received.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateAug 24, 2009
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.

Rewriting general relativity?

Scientists investigate Hořava's quantum gravity model, which modifies Lorentz symmetry. The team finds that the modifications only reproduce general relativity on unobservable scales.

SourceAmerican Physical Society·JournalPhysical Review Letters·DateAug 24, 2009

JCI table of contents: Aug. 24, 2009

Researchers found that Six1 protein is central to tumor development in breast cancer, linked to EMT, stem/progenitor cells, and poor prognosis. Overexpression of Six1 also enhanced ability to metastasize, indicating its role as a key player in aggressive breast cancer.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateAug 24, 2009
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.

Cancer patients who are separated when diagnosed have worse survival rates

A new study found that unmarried cancer patients who are separated at diagnosis have poorer survival rates compared to widowed, divorced, and never married patients. The researchers suggest that the stress of separation may compromise an individual's immune system and lead to a greater susceptibility to cancer.

SourceAmerican Cancer Society·JournalCancer·DateAug 24, 2009

NIAID to fund new human immune profiling research centers

The new initiative will characterize the human immune system under normal conditions and following infection or vaccination, using systems biology approaches. Researchers will analyze human samples from well-characterized cohorts to identify specific patterns of immune molecules that reflect immune system function.

SourceNIH/National Institute of Allergy and Infectious Diseases·DateAug 24, 2009

High blood pressure linked to memory problems in middle age

Research published by the American Academy of Neurology links high blood pressure to cognitive impairment in people over 45. The study found that those with high diastolic blood pressure were more likely to experience memory and thinking problems.

SourceAmerican Academy of Neurology·JournalNeurology·DateAug 24, 2009

Comments with the Lancet South Africa series

The Lancet South Africa series proposes three strategies to address public sector workforce needs, affordable national health insurance, and competent leadership. The authors also discuss the decline in clinical research activity and capacity, as well as health inequities in South Africa, highlighting the need for jobs and cooperation ...

SourceThe Lancet_DELETED·JournalThe Lancet·DateAug 24, 2009
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.

JNCI news brief: Surgeon training found effective in breast cancer sentinel lymph node trial

A new study published in JNCI finds that training methods for surgeons performing breast cancer sentinel lymph node resection are highly effective. The study evaluated three training methods and found a statistically significant positive association between procedural errors and false-negative rates.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateAug 24, 2009

Improvement of liver stem cell engraftment by protein delivery

Researchers engineered a chimeric protein that increases cell survival, migration and proliferation to improve liver stem cell engraftment. The protein, TAT-Tpr-Met, was shown to increase the number of hepatic stem cells integrated into the liver of mice.

SourceSociety for Experimental Biology and Medicine·JournalExperimental Biology and Medicine·DateAug 24, 2009
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.

Study: Smoking may worsen malnutrition in developing nations

A new study finds that smokers in rural Indonesia spend 10% of their budget on tobacco, leading to poorer nutrition for their children. Smokers' families prioritize cheaper rice over nutrient-rich meats and vegetables.

SourceUniversity of Chicago Press Journals·JournalEconomic Development and Cultural Change·DateAug 24, 2009

USC study finds changes in DNA patterns are linked to prenatal smoke exposure

A new USC study reveals that prenatal tobacco smoke exposure is associated with detectable changes in DNA methylation patterns, which may impact childhood asthma and cardiovascular disease. Researchers found that children exposed to maternal smoke had lower global methylation levels and higher methylation in certain genes.

SourceUniversity of Southern California·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateAug 24, 2009

Satellite imagery shows Typhoon Vamco has a huge 45-mile wide eye

Typhoon Vamco boasts an enormous 45-mile-wide eye with cold high thunderstorm cloud temperatures below minus 63 Fahrenheit. The storm is currently in the Northern West Pacific Ocean and will begin changing to an extra-tropical storm, moving into the North Central Pacific Ocean.

SourceNASA/Goddard Space Flight Center·DateAug 24, 2009

NISS to work on syndomic surveillance project for NSF and DTRA

The National Institute of Statistical Sciences (NISS) has received funding to develop Bayesian methods for syndromic surveillance using conditionally auto regressive models. The research aims to provide quantified estimates of disease presence, characterize uncertainties, and implement computational methods at a nationwide scale.

SourceNational Institute of Statistical Sciences·DateAug 24, 2009
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.

Share and share alike: How the modern world affects our tendency to share

A study by Russell Belk explores how societal changes impact sharing, highlighting threats like individualization and decline of public education, but also finds healthy models in online communities and forums. Belk suggests promoting sharing through an expanded sense of self and shared ownership.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateAug 24, 2009

American Political Science Association announces 2009 awards

The American Political Science Association has awarded several notable individuals with prestigious recognition for their contributions to the study and practice of politics. Lawrence O'Toole received the John Gaus Award for a lifetime of scholarship, while Catherine McArdle Kelleher won the Hubert H. Humphrey Award for public service.

SourceAmerican Political Science Association·DateAug 24, 2009
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.

Aurora B answers an XIST-ential question

Researchers found that Aurora B kinase helps regulate XIST's chromatin binding by phosphorylating chromatin proteins during mitosis. This study provides insight into X chromosome silencing and may lead to a better understanding of noncoding RNAs and their role in regulating heterochromatin.

SourceRockefeller University Press·JournalJournal of Cell Biology·DateAug 24, 2009

Heat stress in older people and people with chronic diseases

Heat waves pose a significant threat to older adults and individuals with chronic diseases, who are more susceptible to heat-related illnesses due to impaired thermoregulation. Air conditioning and working fans can reduce the risk of mortality by up to 80% and 30%, respectively.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateAug 24, 2009
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.

Women are sort of more tentative than men, aren't they?

Researchers found that women and men use hesitant language when discussing topics that don't align with their gender, but also exhibit similar patterns of tentativeness in neutral topics. This challenges the notion of innate gender differences in communication style.

SourceUniversity of California - Davis·JournalCommunication Research·DateAug 24, 2009

How can clinicians help patients make decisions consistent with their values?

Researchers found that presenting risk as natural frequencies and using bar charts helped participants make decisions consistent with their values. The studies also showed that different data presentations can be more persuasive, regardless of the participant's values. Healthcare providers should strive to maintain objectivity while re...

SourcePLOS·JournalPLOS Medicine·DateAug 24, 2009

Trust in a teardrop

A Tel Aviv University researcher suggests that tears signal vulnerability and attachment, making interpersonal relationships stronger. Crying is not just a symptom of pain or stress, but an evolution-based mechanism to bring people closer together.

SourceAmerican Friends of Tel Aviv University·JournalEvolutionary Psychology·DateAug 24, 2009
Celestron NexStar 8SE Computerized Telescope

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

Wisconsin team grows retina cells from skin-derived stem cells

A University of Wisconsin-Madison team successfully grew multiple types of retina cells from two types of stem cells, suggesting a potential future in repairing damaged retinas. The discovery will also lead to laboratory models for studying genetically linked eye conditions and screening new drugs.

SourceUniversity of Wisconsin-Madison·JournalProceedings of the National Academy of Sciences·DateAug 24, 2009

New prognostic marker for human breast cancer

A new prognostic marker for human breast cancer has been identified, with elevated GLI1 protein levels associated with poor overall survival. The study found a positive correlation between GLI1 expression and tumor stage, lymph node status, and unfavorable prognosis.

SourceBMC (BioMed Central)·JournalBMC Cancer·DateAug 24, 2009

Scientists announce unique acacia tree's promise to revive African soils

The Faidherbia acacia tree has the potential to revolutionize African farming by providing a free source of organic nitrogen, increasing crop yields, and improving soil health. Its unique growth habit and adaptability to various climates make it an ideal solution for reversing soil degradation and supporting farmers' livelihoods.

SourceWorld Agroforestry Centre (ICRAF)·DateAug 24, 2009

Idaho researchers win grant to explore DNA frontier

Idaho researchers have been awarded a three-year grant to explore novel approaches to gene therapies by targeting specific sections of chromosomes with locked nucleic acids. The team aims to improve targeting and show its impact on genes, potentially leading to new treatments for genetic diseases.

SourceUniversity of Idaho·DateAug 24, 2009
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.

Why 'thick' blood protects from a heart attack

Researchers at Heidelberg University Hospital discovered that mice with thick blood formed larger but more stable plaques, reducing the risk of vascular obstruction. However, long-term use of anticoagulants reversed these advantages, highlighting the need for caution when prescribing these medications.

SourceHeidelberg University Hospital·JournalCirculation·DateAug 24, 2009

The Eli and Edythe Broad Foundation recommit to gastroenterology's future

The Eli and Edythe Broad Foundation has renewed its three-year grant to support high school students in gastroenterology research careers through the AGA Foundation's Student Research Fellowship Awards program. The program provides funding for students to conduct research under the supervision of an approved preceptor.

SourceAmerican Gastroenterological Association·DateAug 24, 2009

Link between erectile dysfunction and obesity explored in obesity and weight management

A new study published in Obesity and Weight Management explores the link between obesity and erectile dysfunction, finding that excess weight increases the risk of ED due to atherosclerosis-related hypertension and hormonal changes. Research shows that weight loss and increased physical activity can improve symptoms.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalObesity and Weight Management·DateAug 24, 2009

New research: Consumption of sugar substitutes assists in long-term weight control

A new study found that consuming sugar-free beverages with low-calorie sweeteners leads to greater dietary restraint, a key factor in successful weight maintenance. Researchers concluded that artificially sweetened beverages may be an important weight control strategy among individuals who have achieved or maintained weight loss.

SourceKellen Communications·JournalInternational Journal of Obesity·DateAug 24, 2009

USDA grant to educate AIDS patients about food safety

Researchers at the University of Illinois Chicago are developing an educational comic book to teach AIDS patients about food safety, highlighting risks such as listeria and toxoplasmosis. The study aims to improve awareness and reduce life-threatening infections among AIDS patients.

SourceUniversity of Illinois Chicago·DateAug 24, 2009
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.

To each his own: Consumers and self-designed products

A study found that amateur designers have lower self-evaluations of their products when compared to professionals. However, consumers enjoy intentionally competing against professionals, leading to more favorable self-evaluations when informed of contests beforehand.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateAug 24, 2009

Genomic study yields plausible cause of colony collapse disorder

A genomic study has identified a plausible cause of colony collapse disorder in honey bees. The research found that the loss of ribosomal function, caused by viral infections and other stressors, contributes to the mysterious disappearance of American honey bees.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalProceedings of the National Academy of Sciences·DateAug 24, 2009
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Bats use love songs during mating, researchers say

Researchers at Texas A&M University discovered that male bats use distinguishable syllables and phrases as love songs to attract females. The study found that the sounds are made in a specific pattern to form a song, with organized sequences within each phrase, and are used by males during mating.

SourceTexas A&M University·JournalPLOS ONE·DateAug 24, 2009