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Science News for July 25, 2007


FDA Nanotechnology Task Force takes positive step forward

The FDA Nanotechnology Task Force has outlined a comprehensive plan to address regulatory challenges posed by nanotechnology, recognizing the need for new safety assessment tools and greater expertise. The report calls for increased public participation and transparency in developing regulatory policies.

SourceWoodrow Wilson International Center for Scholars/Science and Technology Innovation Program·DateJul 25, 2007

Treating HIV-infected infants early helps them live longer

A clinical trial by NIAID suggests that early antiretroviral therapy for HIV-infected infants can significantly improve survival rates. The study found that children treated before three months of age had a better prognosis than those whose treatment was delayed, leading to a potential change in standard care worldwide.

SourceNIH/National Institute of Allergy and Infectious Diseases·DateJul 25, 2007
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.

Combination therapy stops loss of kidney function in rare genetic disease

Researchers have discovered that combining two blood pressure-lowering drugs with enzyme replacement therapy can slow the progression of kidney disease in patients with severe Fabry disease. The study found significant reductions in proteinuria and minimal decline in kidney function after an average of two and a half years' treatment.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateJul 25, 2007
Apple iPhone 17 Pro

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

Air pollution link to clogged arteries

Research reveals air pollution particles can trigger inflammation in blood vessels, leading to atherosclerosis and cardiovascular disease. Exposure to particulate matter increases the risk of heart attacks and strokes.

SourceBMC (BioMed Central)·JournalGenome Biology·DateJul 25, 2007

Rising surface ozone reduces plant growth and adds to global warming

A new study published in Nature finds that increasing surface ozone near the Earth's surface can lead to significant reductions in regional plant production and crop yields. This could undermine the ability of plants and soil to slow down global warming, as they currently store about a quarter of human carbon dioxide emissions.

SourceUniversity of Exeter·JournalNature·DateJul 25, 2007
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.

Accuracy of thyroid hormone testing improved with state-of-the-art test

Researchers at Georgetown University Medical Center developed a fast and accurate test to measure thyroid hormones, which may help diagnose and treat conditions like hypothyroidism and hyperthyroidism. The new test uses tandem mass spectrometry and is more specific than the current immunoassay test.

SourceGeorgetown University Medical Center·JournalThyroid·DateJul 25, 2007

FDA sees nanotech challenges in every product category it regulates

The FDA's Nanotechnology Task Force report highlights the challenges of regulating nanotechnology across various product categories. With over 500 manufacturer-identified nanotechnology consumer products being sold annually, the agency must ensure the safety of novel products before they enter the market.

SourceWoodrow Wilson International Center for Scholars/Science and Technology Innovation Program·DateJul 25, 2007

Scratch no more: Gene for itch sensation discovered

Researchers discovered the GRPR gene, which codes for a receptor involved in transmitting itch signals from the skin to the brain. Laboratory mice lacking this gene scratched less when exposed to itchy stimuli, suggesting a potential target for anti-itch medication.

SourceWashU Medicine·JournalNature·DateJul 25, 2007

Study identifies new gene therapy tools for inherited blindness

Researchers at WashU Medicine have identified hundreds of DNA elements that control when and where genes linked to blindness are turned on. These new elements can be used as switches to activate blindness therapies, offering hope for a potential cure for inherited blindness.

SourceWashU Medicine·JournalPLOS ONE·DateJul 25, 2007

Advanced therapy offers cure for relapsed cancer patient

Testicular cancer patients with metastatic disease can be cured with high-dose chemotherapy and a stem cell transplant, as shown in an Indiana University School of Medicine report. The treatment, which involves carboplatin chemotherapy at five times the standard dosage, has a success rate of over 90%.

SourceIndiana University·JournalNew England Journal of Medicine·DateJul 25, 2007
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.

The future of medicine -- Insert chip, cure disease?

University of Florida researchers are creating a brain chip to decode signals and stimulate neurons, aiming to treat conditions like paralysis and epilepsy. The technology has the potential to revolutionize medicine, allowing patients to control prosthetic devices with their thoughts.

SourceUniversity of Florida·JournalJournal of Neuroscience Methods·DateJul 25, 2007

Graphene oxide paper could spawn a new class of materials

Researchers at Northwestern University have developed graphene oxide paper with superior mechanical properties, potential applications in energy storage, and the ability to be chemically tunable. The material's unique combination of electrical insulation and controlled permeability makes it suitable for various industries.

SourceNorthwestern University·JournalNature·DateJul 25, 2007

Learning a second language -- Is it all in your head?

Researchers found that brain structure Heschl's Gyrus predicts successful second language learning. Adults with smaller left HG gray matter need not despair of learning another language, as training strategies can improve outcomes.

SourceNorthwestern University·JournalCerebral Cortex·DateJul 25, 2007

Biologics valuable treatment option for patients with inflammatory bowel disease

Biologics may be a valuable treatment option for inflammatory bowel disease (IBD), offering new hope for patients. However, gastroenterologists must carefully weigh the potential benefits against significant side effects and costs. Research is ongoing to better understand the role of biologics in IBD treatment.

SourceAmerican Gastroenterological Association·JournalGASTROENTEROLOGY·DateJul 25, 2007
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.

Study points to new way to predict death risk from torn aorta

Researchers propose new model for predicting post-hospital death risk in aortic dissection patients based on blood clotting in the false lumen. Partial clotting is associated with a much greater risk of death, while those with patent or completely thrombosed false lumens have intermediate and lower risks respectively.

SourceMichigan Medicine - University of Michigan·JournalNew England Journal of Medicine·DateJul 25, 2007

New NIH-supported study characterizes social networks of family, friends

A new NIH-supported study shows that obesity spreads within social networks, with closer connections increasing the influence on developing obesity. The study analyzed data from the Framingham Heart Study, finding that a person's chance of becoming obese increased by 57% if they had a close friend who became obese.

SourceNIH/National Institute on Aging·JournalNew England Journal of Medicine·DateJul 25, 2007

The Eli and Edythe Broad Foundation invests in gastroenterology's future

The Eli and Edythe Broad Foundation has awarded a three-year grant to the American Gastroenterological Association to support research fellowships for high school students interested in gastroenterology. The program will provide $2,500 each to five students to fund a 10-week research session under the supervision of an approved preceptor.

SourceAmerican Gastroenterological Association·DateJul 25, 2007

Humboldt squid on the move

Large Humboldt squid have invaded the sea off Central California, where they are feeding on commercially important fishery species like hake and anchovy. This shift may be linked to a decrease in large tuna and billfish populations in the Equatorial Pacific, allowing the squid to expand their range.

SourceMonterey Bay Aquarium Research Institute·JournalProceedings of the National Academy of Sciences·DateJul 25, 2007

Females more prone to brain damage from alcohol abuse

A recent study by OHSU and VAMC researchers found that female mice are more susceptible to brain cell death after alcohol withdrawal than male mice. The study suggests that women may be more vulnerable to the neurotoxic consequences of alcohol consumption, which could contribute to debilitating cognitive dysfunction and motor deficits ...

SourceOregon Health & Science University·JournalNeuropsychopharmacology·DateJul 25, 2007
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.

Why do people love horror movies? They enjoy being scared

A new study challenges existing explanations for horror movie enthusiasts, suggesting they enjoy the thrill of fear. Researchers found that viewers experience both negative and positive emotions simultaneously, including happiness in frightening moments.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateJul 25, 2007

Researchers watch antibiotics, bacteria meet at atomic level

Researchers used powerful imaging techniques to study the atomic level interactions between bacteria and antibiotics, revealing a key enzyme structure that enables gene expression. The findings provide insights into potential new antibiotic designs that can prevent bacterial resistance.

SourceOhio State University·JournalNature·DateJul 25, 2007

White blood cell booster may help cancer patients avoid deadly complications

A study led by Duke University researchers found that a white blood cell booster can significantly reduce the risk of chemotherapy-related complications characterized by fever and low white blood cell levels. The study, published in the Journal of Clinical Oncology, involved over 3,000 patients and showed that patients taking the drug ...

SourceDuke University Medical Center·JournalJournal of Clinical Oncology·DateJul 25, 2007

How to manipulate perceptual focus in advertisements

A new study demonstrates how visual arrangement of alternatives can increase the likelihood of a product being chosen. Grouping options with similar characteristics can emphasize dissimilar options and help them stand out.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateJul 25, 2007

GPs antibiotic prescribing practices are still contributing to resistance

General Practitioners (GPs) are still over-prescribing antibiotics for common infections like sore throats and sinusitis, hindering efforts to combat antibiotic resistance. The analysis of the world's largest primary care database found that prescriptions for these conditions rose to 80% despite guidance warnings.

SourceOxford University Press UK·JournalJournal of Antimicrobial Chemotherapy·DateJul 25, 2007
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.

Study finds 30-minute CPR classes just as effective as multihour courses

A 30-minute video-based training session is as effective as a three- to four-hour course in teaching laypersons basic life-saving techniques. At six months after training, those who took the shorter course performed CPR and used an AED just as well or better than those who took the traditional training.

SourceUT Southwestern Medical Center·JournalResuscitation·DateJul 25, 2007

ATRX -- Too much or too little underlies sex abnormalities

Research by Dr. Anthony Argentaro has advanced understanding of ATRX mutations that cause blood disorders and genital abnormalities in boys, finding excess or deficiency leads to developmental issues.

SourceResearch Australia·JournalProceedings of the National Academy of Sciences·DateJul 25, 2007

Polar expeditions -- Bad and good for the mind

People on polar expeditions often experience disturbed sleep, impaired cognitive ability, and interpersonal tension. However, many also report feelings of camaraderie, mutual support, and personal achievement, highlighting the complex impact of these extreme environments on mental health.

SourceThe Lancet_DELETED·JournalThe Lancet·DateJul 25, 2007
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.

Obesity is 'socially contagious'

A study by Harvard and the University of California, San Diego found that obesity is socially contagious, spreading from person to person in a social network. The greatest effect was seen among friends, with a 171% increase in chances of becoming obese if a mutual friend becomes obese.

SourceUniversity of California - San Diego·JournalNew England Journal of Medicine·DateJul 25, 2007

UCLA study links air pollution to clogged arteries

A new UCLA study finds that combining diesel exhaust particles with cholesterol fats leads to a dangerous synergy that causes blood vessel inflammation and cardiovascular disease. The researchers discovered that the interaction activates genes promoting cellular inflammation, accelerating the narrowing and blockage of blood vessels.

SourceUniversity of California - Los Angeles·JournalGenome Biology·DateJul 25, 2007

Thousands of atoms swap 'spins' with partners in quantum square dance

Physicists at NIST induce thousands of atoms to swap spins, creating logical connections for quantum computing. The demonstration advances prospects for using neutral atoms as qubits, which could provide extraordinary power for applications like encryption code-breaking.

SourceNational Institute of Standards and Technology (NIST)·JournalNature·DateJul 25, 2007

Hand gestures dramatically improve learning

A study found that hand gestures significantly enhance learning, with 90% of students recalling algebraic concepts after three weeks. The method taps into the need to experience information through interacting with the environment, making it a free and effective teaching aid.

SourceUniversity of Rochester·JournalCognition·DateJul 25, 2007
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.

Obesity spreads through social networks

Researchers found that when an individual gains weight, their friends and siblings have a significantly increased risk of becoming obese. The closer two people are in a social network, the stronger the effect. Geographical distance appears to have no effect, suggesting that environmental factors play a smaller role.

SourceHarvard Medical School·JournalNew England Journal of Medicine·DateJul 25, 2007