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Science News for July 21, 2009


Anti-epilepsy drug risk on cognitive function for unborn children

A new study by University of Liverpool researchers suggests that children born to mothers taking sodium valproate during pregnancy may have lower IQ scores. The research found a correlation between exposure to the medication and cognitive function in young children.

SourceUniversity of Liverpool·JournalNew England Journal of Medicine·DateJul 21, 2009

Twinkling nanostars cast new light into biomedical imaging

Purdue University researchers have developed magnetically responsive gold nanostars that can be used to enhance contrast in biomedical imaging. The nanostars can be made to twinkle at precise frequencies, allowing them to stand out from noisy backgrounds and improving the clarity of images.

SourcePurdue University·JournalJournal of the American Chemical Society·DateJul 21, 2009

Brain's center for perceiving 3-D motion is identified

Neuroscientists have pinpointed the brain's MT+ area as responsible for processing 3-D motion. The region encodes two types of cues from moving objects, including binocular disparity and retinal motion, to create a 3-D perception.

SourceUniversity of Texas at Austin·JournalNature Neuroscience·DateJul 21, 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.

Peptide linked to glucose metabolism and neuronal cell survival

A study by researchers at Albert Einstein College of Medicine has identified a peptide called humanin that improves insulin action and lowers blood glucose levels in diabetic rodents. Humanin also protects nerve cells from death associated with Alzheimer's and other brain diseases.

SourceAlbert Einstein College of Medicine·JournalPLOS ONE·DateJul 21, 2009

Skin-like tissue developed from human embryonic stem cells

Researchers at Tufts University have created skin-like tissues using human embryonic stem cells, which can be used to treat oral and skin conditions. The breakthrough uses three-dimensional tissue engineering techniques to mimic the growth environment of human skin.

SourceTufts University, Health Sciences Campus·JournalTissue Engineering Part A·DateJul 21, 2009

International research team seeks to unravel flatworm regeneration

Researchers have identified 60 new microRNA genes in planarians that may play a role in regeneration. Additionally, they discovered millions of piRNAs, which are essential for genome stability and likely function similarly to mammals.

SourceHelmholtz Association·JournalProceedings of the National Academy of Sciences·DateJul 21, 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.

'Go to the doctor? Only if I'm really sick ...'

African American men are avoiding disease screening due to concerns that it may threaten their masculinity. The study found that they view being sexually active as an important component of their notion of masculinity, and health-seeking behaviors can interfere with this.

SourceSpringer·JournalJournal of African American Studies·DateJul 21, 2009

Researchers turn cell phones into fluorescent microscopes

Researchers developed a cell phone microscope, CellScope, that captures color images of malaria parasites and tuberculosis bacteria labeled with fluorescent markers. The system uses compact microscope lenses attached to a cell phone and achieves a spatial resolution of 1.2 micrometers, comparable to standard light microscopes.

SourceUniversity of California - Berkeley·JournalPLOS ONE·DateJul 21, 2009

Preimplantation genetic diagnosis may pose neurological risks

A new study suggests that preimplantation genetic diagnosis (PGD) may increase the risk of weight gain and memory decline in adulthood. The research used a mouse model to examine the effects of blastomere biopsy on fetal, neonatal, and adult development.

SourceAmerican Society for Biochemistry and Molecular Biology·JournalMolecular & Cellular Proteomics·DateJul 21, 2009

Rates of secondhand smoke exposure high among college students

A new study by Wake Forest University School of Medicine reveals that 83% of undergraduate college students in the United States reported being exposed to secondhand smoke at least once in the past week. The study found correlations between exposure and demographics, lifestyle habits, and smoking behaviors.

SourceAtrium Health Wake Forest Baptist·JournalNicotine & Tobacco Research·DateJul 21, 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.

More than meets the eye: New blue light nanocrystals

Berkeley Lab researchers produced non-toxic magnesium oxide nanocrystals that emit bright blue light, which could be used in bio-imaging or solid-state lighting. The nanocrystals also have the potential to play a role in long-term storage of carbon dioxide, a key technology for mitigating global warming.

SourceDOE/Lawrence Berkeley National Laboratory·DateJul 21, 2009

For horned lizard, horns alone do not make the species

A study published in Proceedings of the National Academy of Sciences reveals that California's horned lizard diverged into at least three new species when it moved north from Baja California. The findings provide clarity for conservation actions to follow, highlighting the importance of integrating genetic, anatomical and ecological in...

SourceUniversity of California - Berkeley·JournalProceedings of the National Academy of Sciences·DateJul 21, 2009

Australia discovered by the 'Southern Route'

Genetic analysis reveals Australian Aborigines originated from south Asia, tracing back to Indian populations with exclusive mutations. This discovery supports archeological evidence of human occupation in Australia dating back to approximately 45 thousand years ago.

SourceBMC (BioMed Central)·JournalBMC Evolutionary Biology·DateJul 21, 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.

A genetic basis for schizophrenia

Researchers linked the Disc1 gene to schizophrenia, showing that its disruption affects brain cell migration and development. The study suggests that impaired brain connectivity may contribute to the disease.

SourceAnn & Robert H. Lurie Children's Hospital of Chicago·JournalDevelopment·DateJul 21, 2009

Fecal incontinence and quality of life

A study published in the World Journal of Gastroenterology found that fecal incontinence significantly impacts patients' quality of life, affecting lifestyle, coping behavior, depression, and embarrassment. The results show that over 22% of patients experience severe QOL effects due to FI.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateJul 21, 2009

Tires made from trees -- better, cheaper, more fuel efficient

Researchers at Oregon State University have discovered that microcrystalline cellulose can partially replace silica as a reinforcing filler in tire manufacture, decreasing energy required and costs. The new material shows comparable traction on cold or wet pavement and provides higher fuel efficiency than traditional tires in hot weather.

SourceOregon State University·DateJul 21, 2009

First national study to examine rock climbing-related injuries

A nationwide study found a significant rise in rock climbing-related injuries, with over 40,000 patients treated between 1990 and 2007. The majority of injuries were falls from heights above 20 feet, which increased the risk of hospitalization by 10 times.

SourceNationwide Children's Hospital·JournalAmerican Journal of Preventive Medicine·DateJul 21, 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.

Nature or nurture? New epigenetic model blurs the line in the debate

A new epigenetic model suggests that environmental factors play a significant role in shaping disease risk and heritability. The study provides a theoretical foundation for future public health interventions to reduce genetic risk by limiting or eliminating epigenetic changes.

SourceGenetics Society of America·JournalGenetics·DateJul 21, 2009

Ancient humans left evidence from the party that ended 4,000 years ago

University of Missouri researchers extracted starch grains from 4,000-year-old gourds and squashes, revealing the types of foods consumed at feasts. The findings provide the earliest evidence of algarrobo and arrowroot consumption in Peru.

SourceUniversity of Missouri-Columbia·JournalProceedings of the National Academy of Sciences·DateJul 21, 2009

UC Davis study highlights work-life issues of female surgeons

A national survey of US surgeons found that women are more likely to postpone childbearing or not have children due to work demands. The study suggests that flexible work schedules and on-site childcare facilities could help attract and retain female surgeons.

SourceUniversity of California - Davis Health·JournalArchives of Surgery·DateJul 21, 2009

Large abdominal wall lipoma causes bowel obstruction

A large abdominal wall lipoma caused bowel obstruction in a patient with Proteus syndrome. Excision of the lipoma improved bowel passage and reduced symptoms. The treatment was successful, allowing the patient to continue medical treatment on an outpatient basis.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateJul 21, 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.

Pre-chewed food could transmit HIV

Researchers identified three cases of likely HIV transmission to infants via pre-chewed food, suggesting caution for HIV-positive caregivers. The study highlights the need for more data and education on culturally sensitive issues related to infant feeding practices.

SourceSt. Jude Children's Research Hospital·JournalPEDIATRICS·DateJul 21, 2009

Misdiagnosis of disorders of consciousness still commonplace

A study found that 41% of minimally conscious state patients were misdiagnosed as vegetative state, highlighting the need for standardized assessments. The use of a sensitive neurobehavioral scale can help reduce diagnostic errors and uncertainty.

SourceBMC (BioMed Central)·JournalBMC Neurology·DateJul 21, 2009
Apple iPhone 17 Pro

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

Warming climate threatens California fruit and nut production

The study found that winter chill in California will decline by up to 80% by the end of the century, making many tree crops unsuitable for growing. Growers may need to develop new tree cultivars and management strategies to mitigate the impact of reduced winter chill.

SourceUniversity of California - Davis·JournalPLOS ONE·DateJul 21, 2009

Fighting disease atom by atom

The study reveals the atomic structure of the hepatitis E protein shell, which could lead to new ways to stop the virus. Researchers have identified potential sites on the model for designing drugs that can interrupt the binding process and prevent the virus from attaching to cell receptors.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateJul 21, 2009

Review provides new insights into the causes of anorexia

Researchers identify dysfunction in neural circuits of the brain that may contribute to the development of anorexia. Childhood personality traits and perfectionism are also found to be predisposing factors.

SourceUniversity of California - San Diego·JournalNature Reviews Neuroscience·DateJul 21, 2009

A drug-dispensing contact lens

Researchers at Boston Children's Hospital have developed a drug-dispensing contact lens that can gradually release medication to the eye. The prototype lens dispensed antibiotic ciprofloxacin for up to 30 days in laboratory testing, with potential applications in conditions like glaucoma and dry-eye.

SourceBoston Children's Hospital·JournalInvestigative Ophthalmology & Visual Science·DateJul 21, 2009
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.

New research finds possible genetic link to cause of pregnancy loss and disorders

Scientists at the University of Tennessee have found that a single mutation in the Bub1 gene can lead to an increased risk of pregnancy loss and disorders such as Down Syndrome. The study suggests that the mutation affects fertility and increases with maternal age, highlighting a potential genetic link to these conditions.

SourceUniversity of Tennessee at Knoxville·JournalProceedings of the National Academy of Sciences·DateJul 21, 2009

New method for HIV testing holds promise for developing world

A new technique detects HIV early and monitors its development without refrigeration, making it more accessible in sub-Saharan Africa. The study found a strong correlation between viral load values in plasma and dried blood spots, paving the way for a new testing approach.

SourceDuke University·DateJul 21, 2009

A child's IQ can be affected by mother's exposure to urban air pollutants

A recent study by the National Institute of Environmental Health Sciences found that children exposed to high levels of polycyclic aromatic hydrocarbons (PAHs) in urban areas had lower full-scale and verbal IQ scores compared to less exposed children. The effects were similar to those seen with low-level lead exposure.

SourceNIH/National Institute of Environmental Health Sciences·JournalPEDIATRICS·DateJul 21, 2009
Fluke 87V Industrial Digital Multimeter

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

Electronic nose created to detect skin vapors

Researchers at Yale University developed a system to detect human skin vapors, revealing fatty acids as primary attractants for mosquitoes. The technology also enables dogs to identify their owners by detecting unique skin compounds.

SourceSpanish Foundation for Science and Technology·JournalJournal of the American Society for Mass Spectrometry·DateJul 21, 2009

When children have breathing problems

A study by UFZ researchers found that air pollution caused by industry has more severe effects on children's health than vehicle exhaust fumes. The research revealed that around a quarter to a third of children in industrial areas experience respiratory problems, compared to half as many in suburban and rural areas.

SourceHelmholtz Association·JournalJournal of Allergy and Clinical Immunology·DateJul 21, 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.

Rice University wins stimulus funding for physics building

Rice University has received $11.1 million in federal stimulus funding to construct the Brockman Hall for Physics, a new research facility supporting fundamental and applied physics research. The building will enable Rice to remain on the cutting edge of physical science research with state-of-the-art facilities.

SourceRice University·DateJul 21, 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.

Early rice harvests ease annual famine in Bangladesh

Research by the International Rice Research Institute has led to early rice harvests, reducing famine in northwest Bangladesh. The new methods allow farmers to plant rice earlier and use shorter-duration varieties, improving food security and reducing monga.

SourceInternational Rice Research Institute·DateJul 21, 2009

Is somatic hypersensitivity a predictor of irritable bowel syndrome?

Researchers found thermal hyperalgesia in IBS patients compared to controls, with higher sensitivity in those with high FBDSI scores. Controls were less sensitive than C-IBS and D-IBS, with no differences between the two IBS subtypes for pain threshold and tolerance.

SourceWorld Journal of Gastroenterology·JournalWorld Journal of Gastroenterology·DateJul 21, 2009

Genetic marker linked to problem behaviors in adults with developmental disabilities

Researchers found a common genetic variation linked to aggression and destructive behavior in adults with developmental/intellectual disabilities. The study suggests that this variation may be associated with increased autism severity in individuals with the gene variant, highlighting the need for further research.

SourceVanderbilt University·JournalAmerican Journal on Intellectual and Developmental Disabilities·DateJul 21, 2009
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Are we what our mothers ate?

Research suggests that maternal nutrition, protein intake, and fat levels before conception can lead to epigenetic changes that affect fetal development and increase the risk of diseases later in life. Studies have shown that diet before pregnancy can cause abnormal growth, cardiovascular disease, and other health problems in offspring.

SourceUniversity of Pittsburgh Schools of the Health Sciences·DateJul 21, 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.

Corn yield stability varies with rotations, fertility

Research suggests that corn yield stability improves when rotated with alfalfa, red clover, and timothy; dairy manure applications can support continuous corn in high-yielding years but hinder it in low-yielding years. Synthetic fertilizers or phosphorus-based manure negatively impact continuous corn yields.

SourceAmerican Society of Agronomy·JournalAgronomy Journal·DateJul 21, 2009

Screening for childhood depressive symptoms could start in second grade

A University of Washington study found five distinct patterns for depression symptoms in children, with some showing no or few symptoms in second grade. The researchers identify different risk factors for boys and girls, highlighting the importance of early intervention to prevent mental health concerns during adolescence.

SourceUniversity of Washington·JournalJournal of Youth and Adolescence·DateJul 21, 2009

Reducing p38MAPK levels delays aging of multiple tissues in lab mice

Research by Singapore and NC researchers found that reducing p38MAPK levels delays aging of multiple tissues in lab mice. The study also discovered that partial inactivation of p38MAPK improves proliferation and regeneration of islet cells without affecting tumour suppressor function.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·JournalDevelopmental Cell·DateJul 21, 2009

Genetic tests advertised directly to the consumer

The American College of Clinical Pharmacology warns of the lack of supervision in direct-to-consumer genetic testing, emphasizing the need for clinical pharmacologists to educate patients on potential risks and limitations. Effective government regulation and professional guidance are crucial to ensure safe and informed decision-making.

SourceSAGE·JournalThe Journal of Clinical Pharmacology·DateJul 21, 2009

Ovary removal may increase lung cancer risk

A new study published in the International Journal of Cancer found that women who experienced non-natural menopause are at almost twice the risk of developing lung cancer compared to women who experienced natural menopause. The increased risk was particularly observed among women who had both their ovaries surgically removed.

SourceUniversity of Montreal·JournalInternational Journal of Cancer·DateJul 21, 2009
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.