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Science News Archive October 2009 - Page 20


Page 20 of 27

Radiation costs vary widely by delivery, U-M study finds

A new analysis from the University of Michigan Comprehensive Cancer Center reveals that radiation costs can range from $1,700 for conventional techniques to over $16,000 for Cyberknife treatment. Fewer treatments have also been shown to be equally effective in relieving bone pain associated with cancer.

SourceMichigan Medicine - University of Michigan·DateOct 8, 2009
Apple iPhone 17 Pro

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

UF study: Exercise improves body image for fit and unfit alike

A University of Florida study found that exercise alone can improve body image, regardless of the actual physical benefits. The researchers discovered that people who don't meet fitness standards feel just as good about their bodies as those who are more athletic.

SourceUniversity of Florida·JournalJournal of Health Psychology·DateOct 8, 2009

Penn State receives National Intelligence award

Penn State's College of Information Sciences and Technology has received a two-year, $1 million grant from the Office of the Director of National Intelligence to further its research in areas related to national security. The award aims to produce students who can become leaders in the U.S. intelligence community.

SourcePenn State·DateOct 8, 2009

Liver cells grown from patients' skin cells

Researchers at Medical College of Wisconsin successfully produced patient-specific liver cells from skin cells, enabling potential treatment of metabolic liver diseases. The study builds on previous work by James Thomson and colleagues, showing that skin cells can be reprogrammed into embryonic stem cells.

SourceMedical College of Wisconsin·JournalHepatology·DateOct 8, 2009

Lessons learned from H1N1 virus pandemic

A comprehensive study on H1N1 virus impact in Australia and New Zealand reveals 20% ICU bed occupancy during peak epidemic. The study shares critical illness patterns, including unexpected effects on middle-aged individuals and pregnant patients.

SourceMonash University·JournalNew England Journal of Medicine·DateOct 8, 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.

Scientists measure the rate of ascent of volcanic magma

Researchers measured the speed of magma rise during a Plinian eruption, revealing it could ascend from interior to surface within four hours. This rapid ascent raises concerns about the feasibility of timely evacuations and warnings before such eruptions.

SourceLudwig-Maximilians-Universität München·JournalNature·DateOct 8, 2009

Cambodian refugee among 10 Americans chosen to receive national award

Sonith Peou, program director of the Metta Health Center in Lowell, Mass., is one of 10 Americans chosen to receive the RWJF Community Health Leaders Award for his work on culturally competent health care services. He has helped thousands of Cambodians, Laotians, and Vietnamese access quality healthcare.

SourceIQ Solutions, Inc.·DateOct 8, 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.

Surgery is an option for some patients hoping to get a good night's rest

A recent study published by Oregon Health & Science University researchers found that uvopalatopharyngoplasty surgery can effectively treat certain patients with sleep apnea. The procedure is particularly effective for young patients with normal to mildly obese body mass indexes and moderate breathing stoppages per hour.

SourceOregon Health & Science University·JournalMayo Clinic Proceedings·DateOct 8, 2009

Arizona disability advocate among 10 Americans to receive national award

David Carey, a quadriplegic, received the RWJF Community Health Leaders Award for his advocacy work and establishment of Inspire Co-op, which helps people with disabilities lead independent lives. He also successfully worked with the city of Tempe to ensure safe public transportation options for persons with physical disabilities.

SourceIQ Solutions, Inc.·DateOct 8, 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.

Will giving coffee to babies keep them awake as adults?

A Canadian study found that giving caffeine to newborn rats causes detrimental effects on sleep and breathing patterns in adulthood. Adult rats showed reduced sleeping time, increased time to fall asleep, and fragmented non-REM sleep. Breathing problems were also more common in caffeine-treated rats.

SourceFaculty of 1000·JournalThe Journal of Physiology·DateOct 8, 2009

Unequal access: Hispanic children rarely get top-notch care for brain tumors

A Johns Hopkins study found that Hispanic children diagnosed with brain tumors receive specialized care at one-third the rate of other children, despite efforts to equalize access. The research highlights persistent gaps in care among certain patients and raises concerns about the future impact on this growing demographic.

SourceJohns Hopkins Medicine·JournalPEDIATRICS·DateOct 8, 2009

Establishing standard definitions for genome sequences

Researchers propose six categories to describe genome sequence quality, from 'Standard draft' to 'Finished', addressing concerns over data integrity and reliability. The new standards aim to standardize sequencing technologies and help researchers know the quality of publicly available genomes.

SourceDOE/Joint Genome Institute·JournalScience·DateOct 8, 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.

NASA's TRMM satellite captures Typhoon Melor as it reaches Japan

Typhoon Melor underwent rapid intensification before reaching Category 4 intensity, but later weakened due to wind shear. TRMM captured detailed images of the storm's eyewall structure and rain distribution, shedding light on its behavior as it approached Japan.

SourceNASA/Goddard Space Flight Center·DateOct 8, 2009

No scientific link between childhood vaccines and autism

A new article reviews published research and finds no convincing evidence supporting a relationship between vaccines and autism. The onset of autism occurs prior to age three, with various possible associations examined but no clear cause identified.

SourceWiley·JournalJournal for Specialists in Pediatric Nursing·DateOct 8, 2009
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.

Parasite growth hormone pushes human cells to liver cancer

A human liver fluke contributes to the development of bile duct (liver) cancer by secreting granulin, a growth hormone that causes uncontrolled cell growth. The International Agency for Research on Cancer classifies the parasite as a Group I Carcinogen.

SourcePLOS·JournalPLOS Pathogens·DateOct 8, 2009

University of Guam Cancer Research Center receives $8M grant

The University of Guam has received a five-year, $8M grant to support cancer research and education, with a focus on addressing health disparities among minority populations. The grant aims to increase research capabilities, provide training opportunities, and promote awareness of cancer prevention.

SourceUniversity of Guam·DateOct 8, 2009

Vaccinating boys against human papillomavirus not cost-effective

Researchers found that vaccinating boys would be less cost-effective than vaccinating pre-adolescent girls, with a higher cost-effectiveness ratio of $290,290 per QALY. The study suggests prioritizing HPV vaccination of girls and continued cervical cancer screening in adulthood.

SourceHarvard T.H. Chan School of Public Health·DateOct 8, 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.

Scientists reveal new pattern in our daily clock

Researchers at the University of Manchester discovered two types of brain cells with distinct electrical properties that differ significantly between day and night. One type contains a key gene and can survive high levels of excitability, while the other cannot, contradicting accepted theory on how the daily clock works.

SourceUniversity of Manchester·JournalScience·DateOct 8, 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.

Simple tool can boost motivation, improve health in older adults

Researchers have identified a 'Getting-Out-of-Bed' (GoB) measure to assess motivation and life outlook in older adults. The study found that women with higher GoB scores were more likely to have good health-related quality of life, self-perceived health, and regular exercise at 6 months.

SourceBoston University School of Medicine·JournalJournal of Psychosocial Oncology·DateOct 8, 2009

Women with breast cancer have low vitamin D levels

A study of 166 breast cancer patients found nearly 70% had low vitamin D levels, increasing fracture risk. High-dose supplements improved levels and boosted bone mass, helping mitigate disease symptoms.

SourceUniversity of Rochester Medical Center·DateOct 8, 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.

Scans show learning 'sculpts' the brain's connections

Researchers discovered that learning a new task alters the brain's spontaneous activity patterns, particularly in regions involved in attention and visual processing. This 'anti-correlation' between brain areas improves task performance and facilitates future skill retrieval.

SourceWashU Medicine·JournalProceedings of the National Academy of Sciences·DateOct 8, 2009

Archaeopteryx was not very bird-like

A new study found that Archaeopteryx, the iconic first bird, actually grew much slower than modern birds and had more reptilian features. This challenges the long-held assumption that rapid bone growth was necessary for flight.

SourceAmerican Museum of Natural History·JournalPLOS ONE·DateOct 8, 2009
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.

Early hominid first walked on 2 legs in the woods

Scientists discovered that early hominid Ardipithecus ramidus took its first steps towards bipedalism in a wooded landscape, not the open savanna. The discovery was made using carbon isotope analysis of soil and teeth, which revealed a diet rich in woodland and forest ecosystem.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalScience·DateOct 8, 2009

Household robots do not protect users' security and privacy, researchers say

Researchers at the University of Washington discovered security weaknesses in three popular household robots, including WowWee Rovio and RoboSapien V2. The study highlights the need for improved robot security and privacy measures to prevent misuse by bad actors, who can exploit these vulnerabilities to harm users or their environments.

SourceUniversity of Washington·DateOct 8, 2009

Countries slow to use lifesaving diarrhea treatments for children

Despite evidence of low-cost diarrhea treatments, many countries lag behind in implementing these life-saving techniques, leaving few children treated appropriately. The analysis reveals a significant gap between policy change and effective program implementation, making it difficult to secure necessary supplies like zinc supplements.

SourceJohns Hopkins Bloomberg School of Public Health·JournalBulletin of the World Health Organization·DateOct 8, 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.

Kraken becomes first academic machine to achieve petaflop

Kraken, the National Institute for Computational Sciences' supercomputer, has achieved petaflop performance, accelerating science and placing it among the top five computers in the world. The system enables researchers to simulate complex phenomena such as core-collapse supernovas with unprecedented realism.

SourceNational Institute for Computational Sciences·DateOct 8, 2009

Triple therapy halves exacerbations in moderate-to-severe COPD

Researchers found that adding budesonide to tiotropium resulted in a 62% reduction in severe exacerbations and significant improvements in lung function, signs and symptoms, and quality of life. Triple therapy also improved morning activities and reduced hospitalizations.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateOct 8, 2009

U-M discovery about biological clocks overturns long-held theory

University of Michigan mathematicians have identified the signal sent by the brain to control biological rhythms, a finding that challenges the long-held theory about our internal clock. The discovery could lead to breakthroughs in treating sleep problems and diseases influenced by the internal clock.

SourceUniversity of Michigan·JournalScience·DateOct 8, 2009

Use of archived specimens in biomarker studies

Archived patient tissue specimens can be used to indirectly test biomarkers, providing a more efficient alternative to traditional prospective studies. The authors argue that this approach can help establish the medical utility of prognostic and predictive biomarkers.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateOct 8, 2009
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Genes signal late-stage laryngeal cancer, poorer outcome

Researchers identified tumor-suppressing genes ESR1 and HIC1 that predict late-stage laryngeal cancer and shorter survival in patients. Genetic abnormalities can aid in refining cancer staging and length of survival, potentially improving treatment options.

SourceHenry Ford Health·DateOct 7, 2009

Fill 'er up -- with algae

Researchers at North Carolina State University aim to create fuels that can be used in place of conventional diesel, gasoline, and jet fuel. They plan to genetically modify Dunaliella algae to produce fatty acids that can be converted into fuels, with the goal of creating a cost-competitive, renewable energy source.

SourceNorth Carolina State University·DateOct 7, 2009

Major improvements made in engineering heart repair patches from stem cells

University of Washington researchers have made significant improvements in engineering heart repair patches from stem cells, connecting to rodents' heart circulation with pre-formed blood vessels. The new patches successfully delivered rat blood to the transplanted graft, showing remarkable viability and functional capabilities.

SourceUniversity of Washington·JournalProceedings of the National Academy of Sciences·DateOct 7, 2009

ASA, CSSA, SSSA to present awards in Pittsburgh

The American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America will recognize individuals with outstanding contributions to education, national and international service, and research. The 2009 award recipients include Donald Graetz, David Mengel, Robert G. Hoeft, and others.

SourceAmerican Society of Agronomy·DateOct 7, 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.