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Science News Archive August 2009


Page 15 of 22

Round Goby invade Great Lakes

A team of scientists from the University of Toronto identified a drastic invasion of round goby into many Great Lakes tributaries, including areas known as 'species-at-risk' hot spots. The impact on native fish and mussel species is likely to be serious, with up to 89% of fish species and 17% of mussel species affected.

VA renews funding for limb-loss research in Providence

The Center for Restorative and Regenerative Medicine at Brown University has secured a new $7-million funding round from the VA to continue its work on restoring arm and leg function to amputees. Researchers will focus on developing biohybrid limbs, improving prosthetics, and rehabilitating veterans with limb trauma.

Apple iPhone 17 Pro

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

Finding may explain anti-cancer activity of thiazole antibiotics

University of Illinois researchers found that thiazole antibiotics stabilize other cancer-causing proteins and inhibit the proteasome, a molecular complex degrading old proteins. This inhibition may lead to effective anti-cancer treatment through combination therapy with well-known proteasome inhibitors.

Antibodies to strep throat bacteria linked to obsessive compulsive disorder in mice

Researchers at Columbia University's Mailman School of Public Health have found a link between antibodies to strep throat bacteria and the development of obsessive-compulsive disorder in mice. The study suggests that an inappropriate immune response to the bacteria may trigger psychiatric symptoms, providing new insights into identifyi...

Research examines organization of militaries and its effects on society

A new study by Steve Carlton-Ford at the University of Cincinnati found that major armed conflicts have little consistent effect on child mortality rates, while social militarization significantly increases child mortality. The research also reveals that praetorian militaries have a detrimental impact on civilian populations.

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.

Anthrax bacteria conspire with viruses to stay alive

Researchers at Rockefeller University discovered that Bacillus anthracis forms a symbiotic relationship with viruses to survive and thrive. The viruses alter the lifestyle of the bacteria, influencing its ability to produce spores and form communities.

New groundbreaking treatment for oxygen-deprived newborns

A two-week course of erythropoietin injections has shown promising results in preventing brain damage in oxygen-deprived newborns. The treatment, which can be started up to two days after birth, improves the prognosis and reduces side effects compared to cooling.

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.

SLAC researchers reveal the dance of water

Recent work at SLAC National Accelerator Laboratory reveals two distinct structures in liquid water: tetrahedral and disordered regions. The researchers discovered that these structures exist in 'clumps' made up to 100 molecules, with the temperature affecting their distribution and density.

Discovery of genetic mutation in Leigh syndrome

A genetic mutation in the TACO1 gene has been identified as underlying late-onset Leigh syndrome, a rare inherited metabolic disorder characterized by central nervous system degeneration. The study provides insights into cell biology and will lead to diagnostic and predictive tests for family and genetic counseling.

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.

Computer system improves pain therapy for cancer patients

A new computer system has been successfully tested at Heidelberg University Hospital to improve pain therapy for cancer patients. The system, AiDPainCare, was found to have little variance from international guidelines and reduced patient pain.

NSF awards UCLA Engineering $10M to create customized computing technology

Researchers at UCLA Engineering will create customized computing technology for health care and medical imaging, promising more energy-efficient and cost-effective solutions. The project aims to transform the role of medical imaging and hemodynamic simulation, improving health care quality, efficiency, and patient outcomes.

High school teacher's algebra book aces California test

A North Carolina high school teacher's algebra II textbook has scored a 96 on California's state textbook standards, meeting 26 of the 27 standards tested. The book was created by Kenny Felder and is one of the first open-source texts submitted for California's K-12 initiative.

Discovery may lead to powerful new therapy for asthma

Researchers have found that blocking a key enzyme, aldose reductase, can significantly reduce asthma symptoms. The discovery opens the way for human trials of a new treatment, which could provide a badly needed alternative to existing therapies.

Fluke 87V Industrial Digital Multimeter

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

New laser technique may help find supernova

Researchers at the University of Gothenburg have created a laser technique that can help identify a rare isotope called 182Hf, which would prove that a supernova once exploded near our solar system. The technique uses negative ions and laser light to detach an extra electron from some elements while leaving others intact.

The ugly truth about one night stands

A recent study by Dr. Achim Schützwohl found that men are more likely to engage in casual sex than women, and that they have lower standards for attractiveness. In contrast, women place a greater emphasis on their partner's physical appearance, preferring to engage in casual sex with exceptionally attractive individuals.

What's the semantic organization of human language?

Research reveals that dynamic semantic network of human language is small-world and scale-free but differs from syntactic network in hierarchical structure and node degree correlation. This discovery sheds light on the organization of human semantic knowledge and cognition.

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.

Multi-laboratory study sizes up nanoparticle sizing

A multi-laboratory study has updated ASTM guidelines for measuring nanoparticle size, incorporating statistically evaluated data from 26 laboratories. The results provide a valuable benchmark for labs measuring nanoparticles, which is crucial in biotech applications where nanoparticle size affects cell response.

Older drivers unaware of risks from medications and driving

A new study reveals that 95% of older drivers (ages 55+) have medical conditions and take medications, yet only 28% are aware of the potential impact on their driving ability. The researchers emphasize the need for increased education and awareness among health professionals and patients to address this critical issue.

Launch of the first standard graphical notation for biology

The Systems Biology Graphical Notation (SBGN) is a new visual language for graphically representing biological information, aiming to make complex models accurate, efficient, and easy to understand. Developed by researchers worldwide, SBGN will benefit systems biologists working on various biochemical processes.

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.

Researchers unravel mystery behind long-lasting memories

A new study reveals that strong memories, such as those of a first love or a traumatic event, are formed through the activation of Protein Kinase C (PKC) by norepinephrine in the brain. This process creates stronger connections between nerve cells, leading to long-lasting memories.

Excessive drinking can damage brain regions used for processing facial emotions

A recent study found that excessive drinking can lead to reduced activity in the amygdala and hippocampus, two brain regions responsible for processing facial emotions. This can result in emotional difficulties, such as misperceiving facial cues, emotional flatness, and apathy, which can negatively impact interpersonal relationships.

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.

Ytterbium gains ground in quest for next-generation atomic clocks

A new experimental atomic clock using ytterbium atoms has achieved accuracy comparable to the nation's civilian time standard, while ongoing comparisons with other clocks will help determine the most accurate option for future time and frequency standards. This development supports advancements in technologies such as high data rate te...

Caltech scientists help launch the first standard graphical notation for biology

The Systems Biology Graphical Notation (SBGN) provides a standardized visual language for representing biological information, making it easier to exchange complex information. The new standard will benefit systems biologists working on various biochemical processes, including gene regulation, metabolism, and cellular signaling.

Capping a two-faced particle gives duke engineers complete control

Researchers at Duke University have developed a novel class of Janus particles that can be controlled in six degrees of freedom. This breakthrough allows for precise manipulation of the particles' positions and orientations, opening up possibilities for various applications, including electronic paper and self-propelling micromachines.

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.

Mysterious charge transport in self-assembled monolayer transistors unraveled

A recent study reveals that monolayer coverage and channel length set the mobility in self-assembled monolayer field-effect transistors, leading to the development of cost-effective chemical sensors. The research team's findings were published in Nature Nanotechnology and provide a widely applicable two-dimensional percolation model.

Discovery to aid study of biological structures, molecules

Researchers discovered that an atomic force microscope's behavior changes when used in water, enabling the study of biological molecules' mechanical properties. The findings reveal details about a bacterial membrane and a virus called Phi29, shedding light on their intrinsic variations in local stiffness.

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.

Taking dex can improve high altitude exercise capacity in certain climbers

Researchers found that taking dexamethasone prophylactically improves exercise capacity, oxygen uptake kinetics and decreases anaerobic threshold in HAPE-susceptible climbers. Dexamethasone reduces pulmonary artery pressure and has anti-inflammatory properties, but also carries significant side effects.

UT Southwestern physicians bust myths about insulin

A recent study at UT Southwestern Medical Center suggests that taking insulin as the initial treatment for type 2 diabetes can be just as effective as other options, reducing low-blood-sugar events and weight gain. Insulin-based therapy has been shown to improve patient satisfaction and overall quality of life.

Binge drinking affects attention and working memory in young university students

A recent study found that binge drinkers expend more attentional effort to complete tasks and have difficulties differentiating between relevant and irrelevant information. Young Spanish university students who engaged in binge drinking showed anomalies during a visual working memory task, requiring greater attentional processing.

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.

Perform non-radiation ERCP during pregnancy: Is it safe?

Researchers from Turkey performed a non-radiation ERCP procedure on six pregnant patients with choledocholithiasis and one patient with biliary fistula, showing no complications. Laboratory and ultrasonographic follow-up confirmed successful treatment and stone extraction without radiation exposure.

Where science feeds action, leopards win

A six-year study led by Panthera demonstrates that conservation strategies can significantly increase leopard populations and reduce human-cat conflict. The study, published in Biological Conservation, found that implementing regulations to disperse hunting pressure across a province helped stabilize the population, leading to increase...

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.

Life and death in the living brain

Scientists have demonstrated a direct link between the death of old neurons and their replacement by newly born ones in a living vertebrate. The study found that introducing a chemical inhibitor to slow apoptosis resulted in fewer new neurons being formed, providing insights into age-related diseases.

New genes at work in patients with hereditary lung disease

Researchers successfully delivered functional genes to patients with alpha-1 antitrypsin deficiency, triggering the production of a protective protein. The study shows promise for gene therapy as a potential treatment option for this genetic disorder.

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.

Seizures during pregnancy associated with risk of pre-term and small babies

A study found that women with epilepsy who experience seizures during pregnancy are more likely to give birth to pre-term and small babies than those without epilepsy. The study analyzed data from over 1,000 women with epilepsy and found a significant association between seizure activity and adverse pregnancy outcomes.