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Science News for April 21, 2011


Kidney disease coupled with heart disease common problem in elderly

Chronic kidney disease is common among the elderly and linked to cardiovascular disease. The study found that different formulas for estimating kidney function yield varying prevalence rates, emphasizing the need for a gold standard.

SourceAmerican Society of Nephrology·JournalClinical Journal of the American Society of Nephrology·DateApr 21, 2011

Meditation may help the brain 'turn down the volume' on distractions

A study from Massachusetts General Hospital found that mindfulness meditation enhances regulation of alpha rhythms, which 'turn down the volume' on distracting information. This improvement allows practitioners to better process new facts and regulate pain perception.

SourceMassachusetts General Hospital·JournalBrain Research Bulletin·DateApr 21, 2011
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.

Fossil sirenians give scientists new look at ancient climate

Scientists have discovered that low-latitude sites during the Eocene were much wetter than today, challenging previous estimates of water temperature and paleoclimate. This finding, based on isotopic composition of sirenian fossils, could transform our understanding of global climate change.

SourceU.S. National Science Foundation·JournalScience·DateApr 21, 2011
Apple iPhone 17 Pro

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

Standing up for athletes at risk

Tel Aviv University's Dr. Sami Viskin has developed a new test to detect 'sudden death syndrome' in young athletes, which can be done at the patient's bedside using an electrocardiogram (ECG). The test detects a measurable difference in heart rate called the QT interval, which can help doctors identify patients at risk for sudden death.

SourceAmerican Friends of Tel Aviv University·JournalJournal of the American College of Cardiology·DateApr 21, 2011

DFG establishes 4 new research units

The Deutsche Forschungsgemeinschaft (DFG) has approved four new research units focused on novel synthesis methods in chemistry, quantum diamonds, minimally invasive surgical procedures in medicine, and economic mechanisms in firms and markets. The Research Units will receive a total of 10.2 million euros over three years.

SourceDeutsche Forschungsgemeinschaft·DateApr 21, 2011

Scientists observe single gene activity in living cells

Researchers at Albert Einstein College of Medicine observed the activity of a single gene in living yeast cells, tracking mRNA production and transcription initiation. The study provides new insights into how genes are regulated in single-celled organisms like yeast, which can inform our understanding of similar processes in humans.

SourceAlbert Einstein College of Medicine·JournalScience·DateApr 21, 2011

Antidepressants may not improve all symptoms of depression, UT Southwestern researchers find

Researchers analyzed data from the largest study on depression treatment, finding that even responders experience residual symptoms like insomnia and decreased concentration. The study suggests a need for more targeted antidepressant therapies to decrease depressive symptoms and understand their association with concentration.

SourceUT Southwestern Medical Center·JournalJournal of Clinical Psychopharmacology·DateApr 21, 2011
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.

Giant tortoises show rewilding can work

The introduction of Aldabra tortoises on the island of Mauritius has successfully dispersed ebony seeds, aiding the recovery of a critically endangered tree species. This rewilding experiment demonstrates the potential for restoring extinct interactions in ecosystems.

SourceUniversity of Bristol·JournalCurrent Biology·DateApr 21, 2011

Researchers create functioning synapse using carbon nanotubes

The USC Viterbi team built a carbon nanotube synapse circuit that reproduces neuron input behavior, a significant step towards developing brain prostheses. The fabricated synapse is simplified, but understanding the process of human intelligence could lead to breakthroughs in prosthetic technology and intelligent cars.

SourceUniversity of Southern California·DateApr 21, 2011

Prenatal pesticide exposure tied to lower IQ in children

Researchers at University of California, Berkeley found a significant association between prenatal organophosphate pesticide exposure and lower intelligence scores in children. The study, which followed 329 children from birth to age 7, suggests that fetal brain development may be more critical than childhood exposure.

SourceUniversity of California - Berkeley·JournalEnvironmental Health Perspectives·DateApr 21, 2011
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.

What do you know about that fracture?

A recent study by American Academy of Orthopaedic Surgeons highlights the lack of knowledge about osteoporosis among certain patient groups, increasing their risk of fractures. Patients with fragility fractures, male individuals, and those who are unemployed or have limited English proficiency tend to know less about osteoporosis.

SourceAmerican Academy of Orthopaedic Surgeons·JournalJournal of Bone and Joint Surgery·DateApr 21, 2011

A new ending to an old 'tail'

Researchers at the Salk Institute have uncovered a new structural beacon, called the C-tail, which is found in half of all telomeres in alternative lengthening of telomeres (ALT) tumors. This unique feature may be a key to understanding cancer cell immortality and developing effective treatments.

SourceSalk Institute·JournalMolecular Cell·DateApr 21, 2011

Data miners dig for corrosion resistance

Researchers used data mining to analyze the corrosion-resistant properties of Alloy 22, a key material for nuclear waste containment. They found that the alloy can predict future corrosion patterns under similar environmental conditions.

SourcePenn State·JournalCorrosion Science·DateApr 21, 2011

Early warning system for Alzheimer's disease

Researchers at the University of Strathclyde have developed a new technique that can detect Alzheimer's disease earlier than current methods. This approach uses fluorescence signals to identify clusters of peptide associated with the disease, allowing for potential treatment development and screening patients without needles or wires.

SourceUniversity of Strathclyde·JournalPhysical Chemistry Chemical Physics·DateApr 21, 2011
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.

Say hello to cheaper hydrogen fuel cells

Los Alamos scientists have developed a way to avoid using expensive platinum in hydrogen fuel cells, potentially solving an economic challenge that has hindered widespread use of large-scale systems. The new non-precious-metal catalysts yielded high power output, good efficiency, and promising longevity.

SourceDOE/Los Alamos National Laboratory·JournalScience·DateApr 21, 2011

First articles in new neuroscience journal -- Brain Connectivity -- debut online

The new journal Brain Connectivity debuts with four compelling articles exploring brain connectivity, functional networks, and neurological disorders. Researchers discuss advances in neuroimaging methods, brain activity reconstruction, and white matter studies, shedding light on the organization and development of brain connections.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalBrain Connectivity·DateApr 21, 2011

Lawn of native grasses beats traditional lawn for lushness, weed resistance

A study by ecologists at the University of Texas at Austin found that a lawn of regionally native grasses requires less maintenance than traditional turfgrass, providing a lush carpet while outperforming it in weed resistance. The new approach could have a significant impact on pocketbooks and the environment.

SourceUniversity of Texas at Austin·JournalEcological Engineering·DateApr 21, 2011
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.

Wayne State University chosen as Michigan's sole participant in EcoCAR 2

Wayne State University students will explore advanced vehicle solutions to minimize petroleum usage and reduce emissions through research collaboration with industry. The university was chosen as Michigan's sole participant in EcoCAR 2, a three-year competition that aims to inspire and educate the next generation of automotive engineers.

SourceWayne State University - Office of the Vice President for Research·DateApr 21, 2011

Happiest places have highest suicide rates says new research

A new study found that happy countries like Canada and the US have higher suicide rates than unhappy ones. The researchers believe people in happy places may feel harshly treated by life, leading to increased risk of suicide.

SourceUniversity of Warwick·JournalJournal of Economic Behavior & Organization·DateApr 21, 2011

Students tackle deforestation, win first prize with video game design

Three UH computer science teams won top honors in the National Microsoft Competition with projects addressing environmental sustainability issues. Team Big Impact Bear's 'Forest Gun' prevented and reversed deforestation, while Team AAMP's 'Operation Clean Sweep' raised awareness of water pollution.

SourceUniversity of Houston·DateApr 21, 2011
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.

New technique improves sensitivity of PCR pathogen detection

A new procedure devised by USDA scientists increases PCR-based method sensitivity for detecting plant disease organisms, improving diagnostic accuracy and reducing economic harm from asymptomatic seed contamination. The technique, called Bio-PCR, enhances detection rates by 100- to 1,000-fold over conventional methods.

SourceUnited States Department of Agriculture - Research, Education and Economics·DateApr 21, 2011

Religion continues to impact voter decision, MU study finds

A University of Missouri study shows that religious beliefs still impact voting patterns, even as church attendance decreases. The study found that religion is a key factor influencing voter turnout and platform preferences, particularly on social issues.

SourceUniversity of Missouri-Columbia·JournalElectoral Studies·DateApr 21, 2011
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.

Simple fungus reveals clue to immune system protection

Researchers discovered a protein in a single-celled fungus that helps it survive in low-oxygen settings, which may aid humans with compromised immune systems. The discovery identified key genes responsible for the protein's cutting mechanism, offering potential targets for new fungal infection treatments.

SourceJohns Hopkins Medicine·JournalMolecular Cell·DateApr 21, 2011

Evolution can cause a rapid reduction in genome size

Researchers have decoded the entire genome of lyre-leaved rock cress, a close relative of the thale cress, revealing that its genome is significantly larger. The study found that considerable elements were lost from the thale cress genome, with hundreds of thousands of small deletions accounting for most of the differences in size.

SourceMax-Planck-Gesellschaft·JournalNature Genetics·DateApr 21, 2011

Researchers identify genes causing antimalarial drug resistance

Researchers have identified several genes that may contribute to the malaria parasite's ability to evade antimalarial drugs. One of these genes, PF10_0355, was found to render drug-sensitive parasites more resistant to three standard antimalarial agents when introduced into them.

SourceHarvard T.H. Chan School of Public Health·JournalPLOS Genetics·DateApr 21, 2011
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.

Salmonella utilize multiple modes of infection

Researchers at Helmholtz Centre for Infection Research found a new Salmonella infection mechanism targeting the actin cytoskeleton and exploiting myosin II motor protein. This approach allows bacteria to pull themselves into host cells without forming ruffles, expanding the known invasion strategies.

SourceHelmholtz Association·JournalCell Host & Microbe·DateApr 21, 2011

Caltech: Learning to tolerate our microbial self

Researchers found that beneficial gut bacteria like Bacteroides fragilis hijack immune cells to prevent inflammation. The bacteria produce a molecule that tricks the immune system into activating regulatory T cells, preventing autoimmune reactions.

SourceCalifornia Institute of Technology·JournalScience·DateApr 21, 2011

Researchers find fat turns into soap in sewers, contributes to overflows

Fat, oil, and grease (FOG) harden into calcium-based fatty acid salts, creating deposits that reduce wastewater flow and cause environmental problems. Researchers have discovered the molecular mechanism behind FOG deposit formation using FTIR spectroscopy.

SourceNorth Carolina State University·JournalEnvironmental Science & Technology·DateApr 21, 2011

Drug effective in treating kidney disease in diabetic patients

Researchers found that an appropriate dose of pirfenidone halted decline and improved kidney function in patients with diabetic nephropathy. The study suggests that the drug may be useful in treating other types of fibrotic diseases, including focal segmental glomerulosclerosis.

SourceUniversity of California - San Diego·JournalJournal of the American Society of Nephrology·DateApr 21, 2011

Are dietary supplements working against you?

A study found that frequent dietary supplement users engage in less exercise and more hedonic activities due to a sense of invulnerability. This 'curse of licensed self-indulgence' can lead individuals to make poor choices for their health, such as opting for fast food over organic meals.

SourceAssociation for Psychological Science·JournalPsychological Science·DateApr 21, 2011
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.

Severe obesity not seen to increase risk of depression in teens

A three-year study found no link between severe obesity and depressive symptoms among adolescents, but did identify a possible greater vulnerability among white teens. The study suggests that clinicians should be vigilant about assessing for depression in this group, regardless of weight status.

SourceMassachusetts General Hospital·JournalJournal of Adolescent Health·DateApr 21, 2011

Subset of self-destructive immune cells may selectively drive diabetes

Researchers have identified a distinct population of immune cells that contribute to the pathogenesis of type 1 diabetes by helping CD8+ T cells elicit autoimmune responses in the pancreas. This subset of CD4+ T cells produces IL-21 and express CCR9, playing a critical role in autoimmune disease.

SourceCell Press·JournalImmunity·DateApr 21, 2011
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.