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Science News Archive May 2009


Page 8 of 22

Snail venoms reflect reduced competition

A University of Michigan study found that snails' venoms evolved to target a broader array of prey when they experienced ecological release, allowing them to expand their diet and habitat. The research provides insight into the genetic basis of this phenomenon and its implications for our understanding of adaptation and evolution.

Protein from algae shows promise for stopping SARS

A study found that mice treated with the algae-derived protein Griffithsin had a 100% survival rate after exposure to the SARS coronavirus, whereas untreated mice only survived 30%. The protein alters sugar molecules on the virus's envelope, preventing it from causing disease.

Apple iPhone 17 Pro

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

Understanding the therapeutic process of mother-infant psychotherapy

The study explores the therapeutic process of mother-infant psychotherapy, highlighting its unique catalytic factors that promote change and growth through relational connection and the 'now moment'. The findings emphasize the importance of observing and responding to infant behavior, recognizing maternal experiences and capacities, an...

DFG establishes 14 new research training groups

The Deutsche Forschungsgemeinschaft (DFG) is establishing 14 new Research Training Groups to promote young researchers in Germany. These groups will focus on innovative areas such as fluorine chemistry, institutional transition in East Asia, and frequency effects in linguistics. The funding recipients will work closely with foreign uni...

Ultrasound more cost efficient than other medical imaging choices

A literature review published in Journal of Diagnostic Medical Sonography concludes that ultrasound provides accurate diagnoses at a lower cost than MRI and CT scans. The study's findings highlight the widespread adoption of ultrasound in various clinical settings, including obstetrics, cardiology, and emergency medicine.

New 'broadband' cloaking technology simple to manufacture

Researchers at Purdue University have created a new type of invisibility cloak that works for all colors of the visible spectrum. The device uses a tapered optical waveguide and has been shown to cloak an area 100 times larger than the wavelength of light, making it possible to cloak larger objects.

Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

MIT replaces chrome coatings with safer metal alloys

Researchers at MIT have developed a new nickel-tungsten alloy that replaces toxic chrome coatings, offering improved durability and environmental safety. The new coating is being tested on truck bumpers and has shown promise in reducing corrosion and pollution.

Early identification of dementia increasingly difficult

A new study reveals that memory loss is the only reliable factor for predicting dementia risk in elderly individuals, contradicting previous test results. The study's findings highlight the need for continuous adjustments in dementia detection tools as older generations exhibit improved performance on standardized psychological tests.

Novel approach estimates nanoparticles in environment

A novel approach estimates that titanium dioxide nanoparticles are produced in increasing amounts, posing potential environmental and health risks. The study's findings suggest that up to 2.5 million metric tons of nanomaterial could be released into the environment by 2025.

Skip this cocktail party

A study found high concentrations of pollutants in marine mammals' brains, including pesticides like DDTs and PCBs, as well as brominated flame retardants. The results have significant implications for the health of marine mammals, particularly their hearing and cognitive development.

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.

High self-reported asthma rates in Chinatown, N.Y.

Research found high self-reported asthma rates in NYC children living near Ground Zero, with 50% increase in new cases following the 2001 attacks. Exposure to urban ambient pollution and toxins released by the WTC plume may contribute to the persistently high asthma incidence.

Aerosolized nanoparticles show promise for delivering antibiotic treatment

Delivery of antibiotics via nanoparticles has shown promise in treating pulmonary infections. Treated mice had a significant survival advantage, decreased lung bacterial burden, and spread compared to control mice. The once-daily dosing regimen increased compliance, offering a potential means to improve patient outcomes.

Celestron NexStar 8SE Computerized Telescope

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

There's a sensor in your pocket

Participatory Sensing enables individuals to identify, measure, and address problems such as air pollution and ecosystem damage using mobile phones. This platform presents scenarios for improving environmental protection and personal healthcare, leveraging the widespread access of mobile devices.

Where do penguins go to dance?

The new children's book, Polar Eyes, explores Antarctica's diverse science program through Tanya Patrick's journey. The book features hands-on activities, quizzes, and odd facts to engage young minds, including the penguins' dance destination.

International team tracks clues to HIV

A research team led by Andrew Barron at Rice University identified specific molecules that can block the spread of HIV-1 PR by attaching themselves to its binding pocket. They used computer simulations to narrow down a collection of fullerenes and found two promising candidates.

Meta Quest 3 512GB

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

New gene linked to autism risk, especially in boys

Researchers at UCLA have discovered a link between a variant of the CACNA1G gene and increased autism risk in boys. The study found that nearly 40% of the population carry the common variant, which increases the correlation to autism spectrum disorder.

Obese moms, asthmatic kids

A new study found that obese mothers may be responsible for an increased risk of asthma in their children. Maternal obesity was associated with a 65% higher risk of developing asthma symptoms in offspring, regardless of other factors such as birth weight and BMI.

Tying education to future goals may boost grades more than helping with homework

A research review found that instilling the value of education and linking school work to future goals is key to boosting grades in middle school students. Parental involvement in conveying academic importance, relating educational goals to occupational aspirations, and discussing learning strategies had a positive impact on achievement.

A new way of treating the flu

Scientists at Rensselaer Polytechnic Institute have discovered a new method to treat the flu by targeting two critical parts of the virus, hemagglutinin (H) and neuraminidase (N). This approach has shown strong binding potential to both H and N, offering hope for future flu drugs.

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.

Fire and water reveal new archaeological dating method

Scientists have developed a new dating technique using fire and water to determine the age of ceramic artifacts up to 2,000 years old. The 'rehydroxylation dating' method relies on the reaction between fired clay ceramics and atmospheric moisture, which causes weight gain over time.

'Singing brains' offers epilepsy and schizophrenia clues

Researchers found that brain oscillation frequency is determined by GABA concentration in the visual cortex. Higher GABA levels result in higher frequency or note, potentially leading to new treatment options for conditions like epilepsy and schizophrenia.

Salmonella's sweet tooth predicts its downfall

Researchers identify glucose as the primary sugar fueling Salmonella's survival during infection. This breakthrough could lead to vaccine strains and protective immune responses against other disease-causing bacteria, including superbugs.

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.

University of Haifa research team awarded European Union research grant

A University of Haifa research team has been awarded a European Union grant to investigate the role of synaptic proteins in neurodegenerative and psychiatric disorders. The project aims to create disease models using deliberate damage to protein function, with potential implications for understanding autism and schizophrenia.

Simulating pharmaceutical and personal care product transport

Researchers used the MACRO model to simulate the transport of three PPCPs and a strongly sorbing dye, finding that non-equilibrium sorption in macropores significantly impacted solute transport. The updated version of the model showed better fits to measured data, but limitations were found in accounting for all relevant processes.

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.

Obstructive sleep apnea, retinopathy linked in diabetes

A new study found that patients with diabetes and retinopathy have a strong association with obstructive sleep apnea, suggesting a link between the two conditions. The researchers recommend that doctors and nurses consider screening for OSA in type 2 diabetes patients with retinopathy.

TB vaccine gets its groove back

Researchers at Vanderbilt University Medical Center have cracked the mystery of a failed TB vaccine by modifying it to reduce antioxidant production, leading to stronger immune responses in mice. The modified BCG vaccine could offer improved protection against pulmonary TB and serve as a platform for other vaccines.

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.

HIV's march around Europe mapped

A recent study has mapped the spread of HIV-1 subtype B across Europe, revealing that popular tourist destinations like Greece, Portugal, and Spain are major sources of infection. The research found that viruses can be transmitted through travelers, highlighting the need for targeted prevention efforts beyond national borders.

New infectious diseases -- what's the risk?

People take precautions when aware of risk and believe effective actions are available; accurate communication is key to prevent mass scares. The journal review highlights the importance of risk perception in health behavior theories.

Fluke 87V Industrial Digital Multimeter

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

Gene signature helps predict breast cancer prognosis

Vanderbilt University researchers have identified a gene signature linked to reduced relapse-free survival in breast cancer patients, especially those with estrogen receptor-positive tumors. The discovery suggests that assessing TGF-β signaling may aid in determining breast cancer prognosis and guiding treatment.

HRT-breast cancer risk stays same, regardless of family history

A recent study published in Epidemiology found that hormone replacement therapy does not increase breast cancer risk for women with or without a family history. The research analyzed data from the Women's Health Initiative randomized trial and suggests that estrogen sensitivity may not be the causal pathway based on family history.

Pandemic passenger screening

A computer model developed by four US national laboratories helps airport authorities screen passengers for pandemic influenza, estimating false negatives and assessing risk. The simulation suggests key factors to reduce the spread of disease, including pre-flight screening, symptom testing on arrival, and advances in diagnostics.

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.

New contraceptive device is designed to prevent sexual transmission of HIV

A new vaginal ring has been designed to prevent both HIV transmission and unintended pregnancy, offering a non-hormonal alternative to existing methods. The device combines multiple antiviral drugs and compounds that arrest sperm motility, making it a promising solution for empowering women to protect themselves.

Mutant genes in high-risk childhood leukemias identified

Researchers have pinpointed a new class of gene mutations that identify cases of childhood acute lymphoblastic leukemia with a high risk of relapse and death. The discovery suggests specific drugs could treat this subtype, building on previous studies hinting at kinases' role in the disease.

Michigan scientist, ethicist urge scientists to speak out on environmental policy

A Michigan scientist and ethicist argue that environmental scientists have a responsibility to advocate for environmental policy. They analyze key arguments for and against advocacy, finding that most lack soundness. The researchers conclude that more active participation by scientists in policy matters is necessary to better society.

Tone language is key to perfect pitch

Researchers found that students speaking East Asian tone languages fluently scored nearly 100% on a perfect pitch test, while those who were only fairly fluent or not fluent at all performed worse. The study suggests that nurture may play a significant role in developing this rare ability.

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.

Dying at home: A trend that could make hospitals more efficient

A study by University of Alberta researcher Donna Wilson found that the number of people dying in hospitals has decreased dramatically over the past few decades. She hopes to see only 40% of deaths occur in hospitals, which could reduce wait lists and free up beds for those who need life-saving treatment or surgery.

Clemson energy research gets boost with NSF CAREER Award

Lin Ma's project aims to understand turbulent combustion using advanced laser diagnostics, contributing to energy security and environmental sustainability. The research will improve the efficiency of devices such as engines, boilers, and power plants.

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.

Early exposure to tobacco smoke may lead to early emphysema later

Researchers found that non-smokers who reported childhood exposure to ETS were more likely to have CT patterns indicating early emphysema. Childhood ETS exposure may be associated with detectable differences in lung structure and early emphysema later in life, even among non-smokers.