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Science News Archive April 2010


Page 17 of 24

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.

Cortical response to biliary sensation

A study published in World Journal of Gastroenterology found that biliary balloon stimulation activates the insular cortex, prefrontal cortex, and somatosensory cortex. This suggests the presence of pressure-sensitive vagal afferents in the biliary tract and potential cortical relay beyond the brainstem.

Hepatitis C virus interference via hepcidin synthesis

Researchers found that hepatitis C virus infection affects hepcidin levels in patients with genotype 3a. Successful antiviral therapy was associated with decreased serum prohepcidin concentrations, suggesting a potential link between HCV and hepcidin synthesis.

Experimental immune-boosting drug worsens TB in mice

An experimental immune-boosting drug that increases type I interferon production hastens tuberculosis (TB) in mice. The treatment also draws more macrophages to the lungs, where TB bacteria thrive, leading to severe lung tissue damage and worsened disease outcomes.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Deciphering the mysteries of an ancient seafloor Goliath

New data collected from the IODP Shatsky Rise expedition provides insights into the formation of supervolcanoes and their impact on Earth's geologic record. The study sheds light on the relationship between supervolcano formation and tectonic plate boundaries.

U of I study: Lack of omega-3 fatty acid linked to male infertility

A University of Illinois study found that a lack of omega-3 fatty acid is linked to male infertility. Sperm counts were extremely low and sperm shape was abnormal, but fertility was restored when DHA was introduced into the diet. The study suggests that omega-3 fatty acids may play an important role in male fertility.

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 shows that size affects structure of hollow nanoparticles

Researchers at North Carolina State University found that the size of nickel nanoparticles plays a crucial role in determining their structure. Smaller particles form a single void, while larger particles create multiple bubbles, leading to hollow structures with potential applications in energy production and nanoelectronics.

Study identifies food combination associated with reduced Alzheimer's disease risk

Researchers found a dietary pattern involving high intakes of salad dressing, nuts, fish, tomatoes, poultry, fruits, and cruciferous and dark leafy vegetables to be significantly associated with reduced Alzheimer's disease risk. This pattern reflects multiple pathways in the development of Alzheimer's disease, including the impact of v...

AERA journal examines research issues

The March issue of Educational Researcher explores new findings on cognitive ability, IQ, and its influence on life success, as well as the effectiveness of test-based grade retention policies. Additionally, researchers challenge the use of free lunch eligibility as a measure of socioeconomic status.

How can you heal a broken heart?

A new clinical trial, IMPACT-CABG, evaluates the safety and efficacy of injecting stem cells into the hearts of patients undergoing coronary bypass surgery. The study aims to promote healing and regeneration of damaged heart muscle, offering a less invasive alternative to heart transplant.

Fluke 87V Industrial Digital Multimeter

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

Terminal cancer patients do not receive appropriate radiation therapy

A study found that terminal cancer patients spend most of their remaining lifespan on radiotherapy, but only 26% experience palliation or pain reduction. The authors conclude that radiotherapy is not tailored to individual patient needs, leading to excessive and often uncompleted treatments.

Hispanics live in areas with limited capacity for colorectal cancer screening

A new study reveals that Hispanics living in areas with low endoscopy capacity are less likely to undergo colorectal cancer screening. The study found a modest increase in screening rates as endoscopy capacity improved, suggesting that addressing local capacity constraints could help reduce disparities in screening.

Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Birth of a scientific project to save the Mediterranean coast

The PEGASO project aims to improve coastal management by integrating sea, coast, and marine ecosystems research for effective Integral Coastal Zone Management (ICZM) in the Mediterranean. Researchers will study specific actions to be applied under ICZM, combining data from 11 case studies in Europe.

Scientists find gene linked to schizophrenia

A new study by Université de Montréal scientists finds that mutations in the SHANK3 gene are linked to schizophrenia, a chronic psychiatric disorder. The research also provides clues about the causes of this complex disorder, suggesting a molecular genetic link between schizophrenia and autism.

JCI online early table of contents: April 12, 2010

Chronic stress accelerates tumor growth in ovarian cancer patients by protecting cells from anoikis, a process that allows tumor cells to survive and grow. Stress hormones norepinephrine and epinephrine activate the protein FAK, leading to accelerated mortality.

Immune molecules target swine- and avian-origin influenza

Researchers found that individuals vaccinated with seasonal influenza vaccine produce antibodies targeting H5 HA, protecting mice from pandemic H1N1 and several H5N1 viruses. However, more work is needed to determine antibody levels and vaccination effectiveness against different influenza virus subtypes.

New pathway involved in rheumatoid arthritis identified

Researchers at Hospital for Special Surgery have discovered a new pathway involved in turning off inflammation that does not work properly in people with inflammatory arthritis. This finding could lead to the development of new therapeutic approaches to treating arthritis.

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.

Elastography: A useful method in depicting liver hardness

A study published in World Journal of Gastroenterology found that real-time elastography is a valuable tool for assessing liver fibrosis. The technique uses elasticity measurements to differentiate between various degrees of liver fibrosis, offering a non-invasive alternative to traditional methods.

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.

Factors increasing the risk of atrophic gastritis and intestinal metaplasia

Research found that IL-8 and MIF gene polymorphisms significantly increased the risk of severe atrophic gastritis and intestinal metaplasia, particularly when H. pylori infection was present. This study provides a basis for therapeutic decisions, such as H. pylori eradication therapy, to prevent gastric cancer progression.

Scientists find key to gene that promotes cancer metastasis

An international team of researchers has discovered a four-protein complex that promotes breast cancer metastasis. The complex, involving Myc, Skp2, Miz1, and p300, is a key regulator of RhoA gene expression. Targeting this complex could lead to the development of new drugs to thwart breast cancer migration and invasion.

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.

Art Frankel awarded Frank Press Public Service Award

Art Frankel led a team to update national seismic hazard maps, vastly improving public policy and building codes across the US. The new maps were used directly in building codes, enhancing earthquake safety nationwide.

Childhood obesity linked to stiff arteries

Children with more body fat and less endurance have stiffer arteries than their fitter counterparts, according to new research. The study found that identifying these children early could help prevent cardiovascular disease and diabetes.

Apple iPhone 17 Pro

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

AGU journal highlights -- April 12, 2010

Research papers published in Geophysical Research Letters reveal changing precipitation patterns in Europe, increased gully activity on Mars indicating liquid water, and thick water ice observed in lunar craters near the Moon's north pole. These findings suggest potential impacts on flooding and climate change.

Clinical trial drug exacerbates tuberculosis in mice

The study found that Poly-ICLC treatment increased lung bacterial load and damage in mice infected with Mycobacterium tuberculosis. This was attributed to the recruitment of myeloid immune cells, which supported bacterial growth and exacerbated lung damage.

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.

Immune sensors suppress colitis-associated cancer

Researchers discovered that specific inflammasome components protect against colitis and cancer in mice. Mice lacking these components developed more severe colitis and larger tumor burdens, highlighting the complex role of inflammasomes in human disease.

AAN issues guideline on when people with Alzheimer's disease should stop driving

The American Academy of Neurology has issued a guideline to help determine when people with Alzheimer's disease or another type of dementia should stop driving. The guideline recommends doctors use the Clinical Dementia Rating (CDR) scale to identify individuals at increased risk of unsafe driving. Caregivers and family members can als...

Long-distance larvae speed to new undersea vent homes

Researchers found that larvae of a new species, Ctenopelta porifera, traveled over 300 kilometers from a nearby population to settle in the affected area. The discovery challenges the widely accepted assumption that life re-populates an area through local adult populations.

Hospital admissions dropped after anti-smoking legislation in place

A 10-year population-based study found significant declines in hospital admissions for heart attacks, angina, stroke, asthma, emphysema, pneumonia, and bronchitis after the implementation of smoke-free legislation in Toronto, Canada. The largest decline was observed after the 2001 ban on smoking in restaurants.

Celestron NexStar 8SE Computerized Telescope

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

Ancient Americans took cold snap in their stride

A new study suggests that the first Americans were better equipped to handle the challenges of the Younger Dryas period, which saw a rapid return to glacial conditions. The researchers found that cooling temperatures and environmental changes did not pose significant adaptive challenges to Paleoindian groups.

Measuring the suicidal mind

A study published in Psychological Science found that people who have a stronger association between death and self are more likely to attempt suicide. This association can be measured using an Implicit Association Test (IAT), which may provide a new tool for identifying and predicting clinical behaviors that are not reported verbally.

Case Western Reserve team discovers 'smart' insulin molecule

Researchers have invented a 'smart' insulin protein molecule that binds less to cancer receptors and self-assembles under the skin. This new form of insulin reduces the risk of cancer associated with obesity and excess insulin in Type-2 diabetes patients.

Study: Patients with amnesia still feel emotions, despite memory loss

A new study by University of Iowa researchers found that individuals with amnesia retain emotional responses to happy and sad movie clips, even when they cannot recall the content. This challenges traditional views on memory loss and highlights the importance of caring for patients with Alzheimer's disease.

Laser hair removal: No training required?

Severe adverse effects, such as burns and scarring, have been reported from untrained laser hair removal operators. The Canadian Medical Association Journal recommends setting minimum training standards for operators to ensure safe and effective procedures.

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.

Second-hand smoke toxicity in cars: Myth into fact

A study published in Canadian Medical Association Journal found no scientific evidence to support the claim that smoking in cars is 23 times more toxic than in other indoor environments. The 23 times estimate originated from a media report and has been widely cited, but its lack of basis in fact poses credibility issues.

Demonstrated in vivo the transfer of maternal thyroid hormones to the fetus

A study demonstrated the transfer of maternal thyroid hormones to the fetus in vivo, critical for fetal development. This finding clarifies indirect evidence of maternal thyroid hormone passage to the fetus during pregnancy, with significant implications for the development of the nervous system and overall quality of life.

Decades of research show massive Arctic ice cap is shrinking

Research on the Devon Island ice cap shows a steady decline in ice volume and area since 1985, primarily due to warmer summers. The ice cap's thinning also exposes dark soil, increasing melt rates and posing concerns for shipping and sea level rise.

Scripps Research scientists solve mystery of fragile stem cells

Researchers solve the decade-old mystery of fragile human embryonic stem cells by discovering two novel synthetic small molecule drugs that promote cell survival. The team also unravels the mechanisms behind e-cadherin's role in cell signaling, providing a new understanding of stem cell biology and paving the way for potential therapies.

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.