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Science News Archive October 2013


Page 29 of 34

Air pollution and psychological distress during pregnancy

A recent study published in Pediatrics found a strong link between air pollution exposure during pregnancy and increased risk of behavioral problems in children. Maternal psychological distress also played a significant role, with children experiencing anxiety, depression, attention problems, and aggressive behavior.

USC study: Unlocking biology with math

Scientists at USC created a mathematical model to predict the biological process creating antibody diversity. The research, a collaboration between Myron Goodman and Chi Mak, explains how an enzyme initiates hypermutations in immunoglobulin genes, generating robust immune systems.

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.

Battling defiant leukemia cells

A study finds that chronic myeloid leukemia cells with activating beta-catenin mutations are highly aggressive and resistant to Imatinib. Combined treatment with drugs restoring IRF8 expression and inactivating beta-catenin may prevent fatal leukemia progression.

Making a better, cheaper green-energy magnet

Researchers at Case Western Reserve University have developed a new eco-friendly material for better power-converting magnets in wind turbines and electric cars. The material reduces neodymium-iron-boron production costs from $60 per kilogram to around $10 per kilogram, improving the magnetic remanence of the resulting magnets.

Virtual simulation program to train home health workers

A virtual simulation program is being developed to train home health workers in recognizing and responding to risks. The program will use realistic scenarios and interactive elements to equip workers with the skills to evaluate home environments and adapt their tasks to protect themselves.

Abusive parenting may have a biological basis

Research finds abusive mothers experience stress and physiological responses when attempting warm parenting, leading to increased hostility. The study suggests a biological basis for aversive parenting patterns, making it harder for interventions to succeed.

Apple iPhone 17 Pro

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

UAlberta medical research team designing new drug for common heart condition

A team of UAlberta medical researchers has developed a potential new treatment for atrial fibrillation, a common heart rhythm problem affecting 1 in 200 people. The new drug, based on the resveratrol compound found in red wine and nuts, regulates electrical activity in the heart and reduces abnormal heart-rhythm episodes.

USPSTF updates recos on youth blood pressure screening

The USPSTF found no conclusive evidence to support routine blood pressure screening in asymptomatic youth. However, there is a growing concern about the increasing rates of childhood obesity and its potential impact on adult cardiovascular health.

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 examines probiotics to prevent or treat excessive infant crying

A systematic review of 12 trials found that probiotics reduced crying in six out of the 12 trials. Probiotics were effective in treating colic in breastfed babies, but had limited effectiveness in formula-fed babies. Larger and more rigorous clinical trials are needed to confirm these findings.

Bile salts -- sea lampreys' newest scent of seduction

New research reveals that sea lampreys utilize bile salts as pheromones to entice mates, akin to humans' evolution of perfume. This scent has evolved to serve as the invasive species' primary sex signal, distinguishing it from native fauna.

On the political fringes, feelings of superiority abound

A new study published in Psychological Science found that individuals on the extreme ends of the political spectrum are equally likely to believe their opinions are superior to others', but for distinct political issues. Conservatives tend to feel more confident in their views on issues like voter ID laws and tax rates, while liberals ...

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.

GABA inverse agonist restores cognitive function in Down's syndrome

Researchers have found that a selective GABA inverse agonist can potentiate learning and memory performances in mice with Down's syndrome, reversing learning impairments. The drug also restored normal levels of gene expression in disregulated pathways, suggesting its therapeutic potential.

How JC Polyomavirus invades cells

The study reveals that JC polyomavirus uses specific serotonin receptors to gain entry into cells, contrary to initial hypotheses. This discovery could lead to improved treatment options for patients with PML by informing how existing drugs work.

Iron melt network helped grow Earth's core, Stanford study suggests

A new Stanford study proposes that an iron melt network played a key role in forming the early Earth's internal structure, lending credence to a theory first proposed nearly half a century ago. The team recreated ancient Earth conditions and found evidence that percolation, previously thought impossible, could have helped funnel molten...

Celestron NexStar 8SE Computerized Telescope

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

For liberals and conservatives, 'belief superiority' is bipartisan

A Duke University study discovered that people with extreme political views tend to feel superior about their beliefs, regardless of whether they are liberal or conservative. The research found that those at the extremes of both sides experience 'belief superiority' when discussing certain hot-button issues.

Penn State to lead cyber-security Collaborative Research Alliance

The five-year collaborative research alliance will focus on detecting adversaries and attacks, measuring and managing risk, and altering environments to achieve best results at the least cost. Researchers will develop predictive models to make real-time decisions that lead to mission success.

Study tracks factors linked to creation of accountable care organizations

Accountable care organizations, formed by consolidating doctors and hospitals into large networks, are more common in regions with payment risk sharing at hospitals and larger integrated hospital systems. These organizations aim to improve quality and cut costs without offering lower premiums to consumers.

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.

People mean most for our collective happiness

A recent study analyzing Swedish news articles found that words related to happiness often appear with personal pronouns and names, highlighting the importance of relationships in collective happiness. The research also found that words like iPhone and Google rarely appear with the word for happiness.

Use of post-operative blood clot rate as measure of hospital quality may be flawed

A new study challenges the use of post-operative blood clot rates as a hospital quality measure, citing surveillance bias that can lead to inaccurate results. The study found that hospitals with higher imaging rates for VTE detection actually had better adherence to prevention measures and unexpectedly higher risk-adjusted VTE rates.

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.

Food addiction a step closer to formal diagnostic status -- or not?

The concept of food addiction is being debated as a potential mental disorder, with some studies suggesting that certain obese individuals exhibit addictive-like behavior towards food. However, more evidence is needed to support inclusion in the DSM, and experts caution against over-diagnosing disorders.

Better robot vision

A new robot-vision algorithm based on the Bingham distribution can identify object orientations more accurately than existing algorithms, with a 50% improvement in cases of poor visual information. The algorithm combines probabilities from different sources and has been successfully tested in cluttered scenes.

Cells prefer nanodiscs over nanorods

Researchers discovered that mammalian cells prefer disc-shaped nanoparticles over rod-shaped ones under typical culture conditions. The study's findings could help design better therapies for various diseases by understanding how nanoparticle shape affects transport into cells.

What evolved first -- a dexterous hand or an agile foot?

Researchers used brain imaging and fossil evidence to confirm earlier studies on somatotopic maps in humans and monkeys. Early hominids evolved dexterous fingers when still quadrupeds, while bipedal locomotion led to a separate adaptation of the big toe for balance control.

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.

Glutamatergic agents show promise for mood and anxiety disorders

Researchers suggest targeting the glutamatergic system as a viable target for antidepressant drug development, with potential to rapidly alleviate symptoms of depression. A phase II trial demonstrated a surprisingly rapid antidepressant effect in humans, and further studies indicate extended efficacy.

How binge drinking impairs bone healing

A study found that binge drinking slows bone healing by impairing the formation of hard bony tissue and recruiting stem cells to the injury site. Alcohol also increases oxidative stress, which can lead to weaker bones.

Giant channels discovered beneath Antarctic ice shelf

Researchers have discovered vast channels beneath an Antarctic ice shelf, stretching hundreds of kilometers. The channels' formation is linked to meltwater flowing under the grounded ice sheet, shedding light on how ice responds to environmental changes.

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.

Epigenetic markers shows promise in Alzheimer's disease

Researchers found that epigenetic changes in the brain are associated with Alzheimer's disease, offering potential for novel diagnostic and therapeutic strategies. Epigenetic markers such as DNA methylation and hydroxymethylation increased with age, correlating with AD pathology.

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.

Bt sweet corn can reduce insecticide use

A new study suggests that genetically modified Bt sweet corn can reduce the need for traditional insecticides, resulting in increased marketability and profitability for farmers. The research found that Bt sweet corn outperformed non-Bt varieties in controlling pest infestations, even with conventional insecticide applications.

How the detergent of the atmosphere is regenerated

Researchers at Jülich's Institute of Energy and Climate Research have successfully recreated the natural conditions for isoprene degradation, demonstrating efficient hydroxyl radical regeneration. This process takes place faster than previously thought and produces fewer climate-damaging ozone molecules.

Stress a key factor in causing bee colonies to fail

Research found that pesticides can subtly impact individual bees, leading to colony failure. The study provides an important breakthrough in understanding the causes of declining bee populations and offers insights for policymakers.

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.

Obesity suppresses cellular process critical to kidney health

A study published in the Journal of the American Society of Nephrology found that obesity increases the risk of developing chronic kidney disease by suppressing an important cellular process called autophagy. Restoring this process may help protect kidney health in obese individuals.

Dartmouth researcher finds a new role for the benefits of oxygen

A Dartmouth researcher found that oxygen can keep dying heart cells alive by providing spikes of oxygen. This discovery could lead to new treatments for congestive heart failure, which is often caused by cell death due to lack of oxygen. The research suggests that controlled breathing exercises may also have health benefits.

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.