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Science News for May 7, 2008


CIHR news: health research touching lives

The Canadian Institutes of Health Research (CIHR) has announced over $298 million in funding for 764 health research projects across Canada. The funded research will focus on addressing important health issues like cancer, heart disease, and HIV/AIDS.

SourceCanadian Institutes of Health Research·DateMay 7, 2008
Apple iPhone 17 Pro

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

Over the back fence: gardeners get advice from neighbors, friends

A survey of Minnesota gardeners found that 78% preferred informal advice from friends and neighbors over university extension services. University information was viewed as higher quality but lacked convenient online access, posing a challenge to universities and arboreta.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateMay 7, 2008

Prisoner HIV program leads to continuum of medical care after release

The study found that 95% of participants completed the program, linking them to medical care for a year after release. This continuity of care improved health outcomes, reduced costs, and may have reduced HIV transmission. Researchers credited the use of professional social workers with the program's success.

SourceLifespan·JournalJournal of Health Care for the Poor and Underserved·DateMay 7, 2008

Power from formic acid

Researchers from Rostock have developed a feasible process for the on-demand release of hydrogen, generating it at room temperature from formic acid. The use of formic acid allows the advantages of established hydrogen/oxygen fuel cell technology to be combined with those of liquid fuels.

SourceWiley·DateMay 7, 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.

Amazon under threat from cleaner air

Climate scientists warn that reducing sulphur dioxide emissions from coal burning could lead to increased sea surface temperatures in the tropical north Atlantic, causing droughts in the Amazon rainforest. The study estimates a heightened risk of drought every other year by 2025 and nine out of ten years by 2060.

SourceUniversity of Exeter·JournalNature·DateMay 7, 2008

Obesity can increase dementia risk by up to 80 percent

Research found obesity increases dementia risk by 80%, while being underweight also poses a significant threat. The study, published in Obesity Reviews, analyzed data from over 37,000 people and estimated that 12% of dementia risk can be attributed to obesity.

SourceWiley·JournalObesity Reviews·DateMay 7, 2008

When bears steal human food, mom's not to blame

Researchers found that black bears acquire behavior to conflict with humans through social learning and isolation, challenging the assumption that mother bears teach their cubs. The study indicates that 56% of mothers did not share behavioral habits with their offspring.

SourceWildlife Conservation Society·JournalJournal of Mammalogy·DateMay 7, 2008

Medical research is essential to improving the economy and bettering lives

The American Society of Nephrology emphasizes the importance of medical research in improving healthcare and reducing costs. Research advancements have led to cost-effective solutions such as vaccines and disease treatments, benefiting human lives and the economy.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateMay 7, 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.

Climate models overheat Antarctica, new study finds

A new study by NCAR and Ohio State University found that climate models consistently overstate Antarctic warming, but still project significant sea-level rise due to melting ice sheets. The researchers suggest that warmer temperatures could slow down or speed up sea-level rise depending on future temperature increases.

SourceNational Center for Atmospheric Research/University Corporation for Atmospheric Research·JournalGeophysical Research Letters·DateMay 7, 2008

Ultrasound first, not CT, for diagnosing suspected acute appendicitis

A new study suggests that color Doppler ultrasound is the preferred imaging modality for diagnosing suspected acute appendicitis in adults, with a 97% specificity rate and 74% sensitivity rate. The test's advantages include lack of radiation exposure and lower cost compared to CT scans.

SourceAmerican College of Radiology·JournalAmerican Journal of Roentgenology·DateMay 7, 2008

A new breakthrough on the pathogenesis of fulminant hepatic failure

Research led by Dr. Yi-Jia Lou suggests that LTC4 synthesis enzymes contribute to liver injury in a rat FHF model, leading to accumulation of cys-LTs. The study's findings imply further investigation into the expression and activity of these enzymes in managing viral hepatitis patients.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateMay 7, 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.

Immune system pathway identified to fight allergens, asthma

A University of Pittsburgh School Medicine study identified a key molecule, c-Kit, that plays a central role in the allergic response. Targeting this element could lead to more effective drugs for treating asthma and allergies.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalNature Medicine·DateMay 7, 2008

UCSF receives funding for building from California stem cell agency

The University of California, San Francisco has received a $34.9 million grant from the California Institute for Regenerative Medicine to construct a regenerative medicine building on its campus. The facility will house 25 principal investigators and their teams at full capacity, driving the cross-pollination of scientific ideas.

SourceUniversity of California - San Francisco·DateMay 7, 2008

How does insulin-like growth factor I protect liver function?

IGF-I exerts mitochondrial protection in experimental cirrhosis, reducing caspase activation and increasing ATP production. IGF-I supplementation shows beneficial effects on liver function and fibrosis in animal models.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateMay 7, 2008

Biodiversity -- it's in the water

Researchers demonstrate that a simple method using river network geometry and rainfall data can accurately predict fish species diversity patterns in the Mississippi-Missouri basin. The model, which uses just four parameters, captures complex biodiversity patterns without referencing individual fish species.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature·DateMay 7, 2008
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.

Is there new chemotherapy for advanced gastric cancer?

Researchers assessed various regimens for treating advanced gastric cancer and found that new agent-containing regimens can achieve higher response rates. Chemotherapy with 5-fluorouracil remains a mainstream treatment option, prolonging median survival time for AGC patients.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateMay 7, 2008

Vitamin D linked to reduced mortality rate in CKD

A study found that activated vitamin D may reduce the risk of death by approximately one-fourth in patients with CKD, with a 20% reduction in the risk of either death or dialysis

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateMay 7, 2008

Silicon's effect on sunflowers studied

A study by Drs. Sophia Kamenidou and Todd J. Cavins found that silicon supplementation improved horticultural traits in greenhouse-produced sunflowers, such as increased stem diameter and flower quality, but also caused growth abnormalities at high concentrations.

SourceAmerican Society for Horticultural Science·JournalHortScience·DateMay 7, 2008
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.

Duck-billed platypus genome sequence published

The first duck-billed platypus genome analysis reveals clues about early mammalian genome organization and the evolution of unique characteristics. The study found that the platypus shares more than 80% of its genes with other mammals, but also has distinct genetic features associated with reptilian and avian traits.

SourceNIH/National Human Genome Research Institute·JournalNature·DateMay 7, 2008

St. Jude finds 'dancing' hair cells are key to humans' acute hearing

Researchers at St. Jude Children's Research Hospital found that the prestin protein embedded in outer hair cell membranes plays a critical role in amplifying sound signals. This discovery sheds light on the mechanisms behind acute hearing loss due to genetic mutations or drug overdoses.

SourceSt. Jude Children's Research Hospital·JournalNeuron·DateMay 7, 2008

Seagulls: Are males the weaker sex?

Researchers found that males hatch faster than females when isolated, but are disadvantaged in social environments, leading to poorer hatching conditions. Females have an upper hand in responding to environmental challenges during embryonic development.

SourceSpringer·JournalBehavioral Ecology and Sociobiology·DateMay 7, 2008

Platypus genome sequence published

The platypus genome sequence published by UK researchers reveals a mix of mammalian, bird-like and reptilian features in the species' genetic blueprint. The analysis found that platypus venom is a cocktail of proteins originally with different functions, similar to those in reptile venom.

SourceEuropean Molecular Biology Laboratory·JournalNature·DateMay 7, 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.

After divorce, stable families help minimize long-term harm to children

A new study found that children who lived in unstable family situations after their parents divorced fared worse as adults compared to those with stable post-divorce family situations. These children experienced lower education levels, income, and occupational prestige, as well as higher poverty rates.

SourceOhio State University·JournalJournal of Marriage and Family·DateMay 7, 2008

First analysis of platypus genome may impact disease prevention

Researchers have completed the first analysis of platypus DNA, revealing insights into gene regulation and immune systems that may lead to advances in human disease prevention. The study's findings also provide new perspectives on mammalian evolution and conservation efforts.

SourceLouisiana State University·JournalNature·DateMay 7, 2008

Molecular espionage shows a single HIV enzyme's many tasks

Researchers have discovered that reverse transcriptase, the target of major anti-HIV drugs, can flip between binding orientations to facilitate two distinct catalytic activities. This dynamic behavior is regulated by nonnucleoside RT inhibitors, which hinder the enzyme's ability to convert single-stranded DNA to double-stranded DNA.

SourceHarvard University·JournalNature·DateMay 7, 2008

UCI awarded $27.2 million for new stem cell building

The UCI Sue and Bill Gross Stem Cell Research Center will house up to 26 researchers, a master's program in biotechnology, and programs educating patients and the public. The facility is expected to advance stem cell therapies for treating spinal cord injuries and other diseases.

SourceUniversity of California - Irvine·DateMay 7, 2008

Breast cancer tumors grow faster in younger women

Researchers found that tumour growth rates vary considerably among patients, with generally slower growth rates with increasing age at diagnosis. The new model estimated the mean time for a tumour to double in size from 10 to 20 mm in diameter is 1.7 years.

SourceBMC (BioMed Central)·JournalBreast Cancer Research·DateMay 7, 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.

MIT study suggests caution on new anti-obesity drug in kids

A new MIT study found that a class of anti-obesity drugs could interfere with neural development in young children by blocking brain receptors similar to those in marijuana. The research, conducted on mice, suggests caution when using these compounds in kids.

SourceMassachusetts Institute of Technology·JournalNeuron·DateMay 7, 2008

Alternatives to ozone-depleting pesticide studied

Scientists evaluated eight chemical alternatives to methyl bromide, finding some controlled weeds as consistently as the banned pesticide but at lower yields. Environmental factors also affected results, highlighting the need for further research and management strategies.

SourceAmerican Society for Horticultural Science·JournalHortScience·DateMay 7, 2008

Obesity linked to increased risk for dementia

A systematic review of 10 studies found a consistent relationship between obesity and an increased risk for dementia, with baseline obesity increasing the risk by 80% on average. Preventing or treating obesity at a younger age could reduce the number of dementia patients by up to 20%.

SourceJohns Hopkins Bloomberg School of Public Health·JournalObesity Reviews·DateMay 7, 2008
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.

New target for Alzheimer's disease identified

Researchers at Gladstone Institutes have found that modulating enkephalin peptides in the brain may reduce cognitive deficits seen in Alzheimer's disease. Increased levels of preproenkephalin mRNA and enkephalins in brain regions affected by AD were observed, suggesting a potential new therapy target.

SourceGladstone Institutes·DateMay 7, 2008

Iron 'snow' helps maintain Mercury's magnetic field, scientists say

New scientific evidence suggests that iron snow forms and falls toward the center of Mercury's core, powering its weak magnetic field. This process could be responsible for the planet's mysterious magnetic field, which is about 100 times weaker than Earth's.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalGeophysical Research Letters·DateMay 7, 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.

How to diagnose and treat hemosuccus pancreaticus?

Hemosuccus pancreaticus is a rare cause of intermittent upper GI bleeding, often associated with chronic pancreatitis. Early diagnosis and treatment are crucial, with interventional radiology and surgical options available.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateMay 7, 2008

UCSB receives $3.2 million stem cell grant from state

The University of California, Santa Barbara will receive a $3.2 million grant from the California Institute for Regenerative Medicine to develop a state-of-the-art stem cell research facility. The center aims to foster interdisciplinary research and translation of stem cell-based therapeutics for human diseases.

SourceUniversity of California - Santa Barbara·DateMay 7, 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.

Patients with chronic illness benefit from telehealth intervention

A University of Missouri researcher found that telehealth interventions can significantly delay hospital readmission rates among patients with chronic illnesses. This reduction in hospital stays can lead to lower healthcare costs and improved patient outcomes.

SourceUniversity of Missouri-Columbia·JournalJournal of Telemedicine and E-Health·DateMay 7, 2008

Mothers' high normal blood sugar levels place infants at risk for birth problems

A study funded by the NIH found that pregnant women with higher-than-normal blood sugar levels are at greater risk of delivering babies with birth problems, including Caesarean sections and large body sizes. The study involved over 23,000 women in nine countries.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalNew England Journal of Medicine·DateMay 7, 2008

Record-setting laser may aid searches for Earthlike planets

Scientists have developed a record-breaking ultrafast laser that can aid in the search for Earthlike planets. The new laser offers high speed, short pulses, and high average power, making it ideal for boosting the sensitivity of astronomical tools.

SourceNational Institute of Standards and Technology (NIST)·DateMay 7, 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.

Mental disorders cost society billions in unearned income

A recent study published in the American Journal of Psychiatry estimates that major mental disorders result in significant losses of human productivity, with individuals with serious mental illness earning approximately $22,545 per year. The total economic burden is attributed to lost earnings and increased likelihood of unemployment.

SourceNIH/National Institute of Mental Health·JournalAmerican Journal of Psychiatry·DateMay 7, 2008

Superbug genome sequenced

The genome of Steno, a newly emerging superbug, has been sequenced, revealing an organism with exceptional drug resistance. Understanding its genetic makeup may help researchers develop biochemical compounds to combat this resistance.

SourceUniversity of Bristol·JournalGenome Biology·DateMay 7, 2008

Genetic 'tag team' keeps cells on cycle

Researchers at Duke University have discovered a genetic 'tag team' that regulates the cell cycle, finding that nearly 70% of periodic genes continue to turn on and off without cyclins. The study suggests a new understanding of gene regulation in mammalian cells.

SourceDuke University·JournalNature·DateMay 7, 2008

How to perform caudate lobectomy for liver cancer successfully?

Researchers analyzed clinical data from 11 liver cancer patients who underwent caudate lobectomy using specific skin incision, mobilization of liver, vascular exclusion, and ideal hepatectomy procedures. The study demonstrates that caudate lobectomy for cancer in the candate lobe can be safely performed with an appropriate procedure.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateMay 7, 2008
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.

Platypus genome unravels mysteries of mammalian evolution

The platypus genome provides insights into the evolution of venom components and a bird-like sex-determination system in mammalian ancestors. Researchers have found that platypus venom genes evolved by gene duplication of antimicrobial beta-defensins, mirroring an independent evolutionary pathway in reptiles.

SourceCold Spring Harbor Laboratory·JournalGenome Research·DateMay 7, 2008