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Science News Archive October 2009


Page 13 of 27

Mangosteen juice could protect health in the obese

A randomized, double-blind trial found that mangosteen juice lowered C-reactive protein levels by 1.33mg/L in obese participants. The natural treatment was safe at all dosages tested and showed promise as a potential therapeutic option for reducing inflammation and cardiovascular risk.

EPA fellow studies effect of mercury in toads

Christine Bergeron, a Virginia Tech doctoral student, receives an EPA fellowship to study the impact of mercury on American toads' reproductive success. The research reveals that female toads transfer mercury to their eggs, affecting offspring viability and potentially long-term population 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.

Herbal tonic for radiotherapy

A study published in International Journal of Low Radiation found that extracts of Ginkgo biloba leaves can protect human white blood cells from gamma radiation-induced apoptosis. The results suggest that the antioxidant compounds in Ginkgo biloba extract can neutralize free radicals and prevent cellular damage.

Apple iPhone 17 Pro

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

Resident physicians seldom trained in skin cancer examination

A survey of resident physicians found that many are not trained in skin cancer examinations, with only a small percentage reporting skill levels in performing the procedure. The study highlights the need for comprehensive training programs to teach this essential skill.

What's the clonality status and allelotype of focal nodular hyperplasia?

Researchers analyzed 12 focal nodular hyperplasia (FNH) lesions and found polyclonal nature with no loss of heterozygosity in most cases, contrasting with 40% monoclonality in altered hepatocytes. This study provides an approach for differential diagnosis and may lead to further understanding of early human hepatocarcinogenesis.

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.

Metals could forge new cancer drug

A new class of compounds containing Ruthenium and Osmium has been found to be highly effective in killing ovarian and colon cancer cells, even those resistant to Cisplatin. The discovery is a significant step forward in the field of medicinal chemistry.

Exercise can aid recovery after brain radiation

Researchers found that exercise after whole-brain radiation treatment improved erasable memory in mice, comparable to humans' experience. Exercise also reduced depressive-like behaviors in irradiated mice, suggesting a protective effect against memory loss and depression.

Migraine sufferers more prone to hangover headache

Researchers found that rats with migraine-like headaches reacted to alcohol-induced pain, whereas those without migraines did not. The study suggests dehydration or impurities in alcohol are not responsible for hangovers.

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.

Time in a bottle: Scientists watch evolution unfold

A Michigan State University experiment has watched the emergence of natural selection over 40,000 generations, providing insights into genome evolution and adaptation. The study's findings have implications for biotechnology and cancer research, revealing complex relationships between genetic mutations and environmental pressures.

Performance reviews are raising council standards, say researchers

A study by Cardiff University researchers found that performance reviews under the Audit Commission's Comprehensive Performance Assessment (CPA) led to improved council standards. Poorly performing councils were more likely to see a change in political leadership and management, resulting in better outcomes.

Geologists point to outer space as source of the Earth's mineral riches

A new study suggests that some minerals beneath the Earth's surface could be of extraterrestrial origin. Researchers propose that a 'rain' of comets and meteorites may have deposited precious metals such as platinum and rhodium in the rock portion of the Earth, challenging internal geological processes.

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.

A major step in making better stem cells from adult tissue

Scripps Research scientists have made a breakthrough in creating stem cells from adult human tissue using three small drug-like chemicals. The new technique is 200 times more efficient and twice as fast than conventional methods, solving two major challenges in the development of stem-cell-based medicine.

Major advance in organic solar cells

A new synthetic method creates longer polymer chains, increasing current density in plastic solar cells. The reduced reaction time cuts production time by nearly 50%, making it easier to optimize chemical structure and reduce manufacturing costs.

Small mechanical forces have big impact on embryonic stem cells

Embryonic stem cells exhibit sensitivity to localized cyclic forces due to their softness, affecting gene expression and differentiation. The study suggests that applying controlled mechanical forces could be a new method for directing cell behavior, with implications for therapeutic cloning and regenerative medicine.

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.

Fine-tuning treatments for depression

Researchers have found elevated levels of gamma-synuclein in depressed animals and humans, highlighting its role in regulating neurotransmitters. The study may provide new therapeutic targets for treating depression, which currently has limited effective treatments.

Fracture zones endanger tombs in Valley of Kings

Researchers used photography and detailed geological mapping to identify 30 tombs on fracture traces, which can lead to flooding and damage. The team plans to use this information to stop flooding by diverting water away from tombs.

APP -- Good, bad or both?

Research at Georgetown University Medical Center found that APP plays a critical role in brain development, connection of synapses, and dendritic spine development. Overproducing APP can lead to Abeta plaques and cognitive decline, highlighting the importance of maintaining balance in APP protein expression.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Drug could provide first treatment for scleroderma

Researchers have identified a drug that could provide the first treatment for scleroderma, a chronic connective tissue disease. In a study of 30 patients with diffuse scleroderma, Gleevec improved skin scores by 23% and lung function tests by 9.6% after one year.

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.

NASA satellite tracking Typhoon Lupit on a march toward the northern Philippines

Typhoon Lupit strengthened quickly from a tropical depression to a typhoon in just 24 hours. The storm's cloud temperatures were colder than minus 63F (-52.78C), indicating strong thunderstorms. Forecasts predict the northern Philippines will feel the first effects of Lupit on October 20, with residents urged to make preparations.

Protein interaction network can respond Helicobacter pylori infection?

A study found that protein interaction networks respond to Helicobacter pylori infection by activating immune-related proteins and interacting with cancer-related proteins. The network construction reveals potential drug targets for gastric inflammation and cancer, including hub and bottleneck proteins.

GOES-P satellite preparing for launch in March 2010

The NASA team has completed instrument testing on the GOES-P spacecraft, ensuring its instruments function as expected. The spacecraft is now undergoing testing of subsystems and mechanical activities before its launch in March 2010.

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.

Yerkes researchers present at 39th Annual Society for Neuroscience Conference

Researchers from Yerkes National Primate Research Center are presenting on various topics, including Alzheimer's disease, Parkinson's disease, and memory function. The study aims to improve human health by understanding the evolutionary specializations of the human brain and its relationship with neurological disorders.

AIAA to present awards at 28th Digital Avionics Systems Conference

The AIAA will recognize outstanding achievements in digital avionics and information systems with the presentation of two prestigious awards. John Moody and colleagues from The MITRE Corporation will receive the Dr. John C. Ruth Digital Avionics Award for their invention and implementation of the Universal Access Transceiver (UAT) and ...

Targacept's P.2b depression study succeeds: 6-point difference on HAM-D

In the Phase 2b trial, TC-5214 outperformed placebo in treating major depressive disorder, achieving high statistical significance on all secondary outcome measures. The study demonstrated a favorable tolerability profile and potential as an augmentation treatment for SSRI-resistant depression.

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.

New concept may enhance Earth-Mars communication

Researchers propose a solution to the crucial problem of ensuring reliable radio communication between Mars and Earth during solar alignments. A pair of communication relay satellites in B-orbits equipped with electric ion propulsion can 'hover' over points leading and trailing Mars' orbit, providing full-time communications.

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.

Super sticky barnacle glue cures like blood clots

Researchers discovered that barnacle adhesive polymerization is related to blood clotting, with a trypsin-like serine protease and human factor XIII proteins involved. The team found that the glue's proteins are remarkably similar to those found in human blood clots.

Internationally highly visible

The DFG Research Centre for Renewable Therapies will receive €30 million in funds over the next four years. The centre aims to develop new cellular therapies and treatment options for various diseases, including metabolism diseases, cancers, and immune system disorders.

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.

TraDIS technique tackles typhoid

Researchers used a novel high-throughput analysis technique to study every gene in Salmonella Typhi, revealing that only 356 genes are necessary for its survival. The TraDIS method has the potential to accelerate the discovery of new targets for treatment and improve our understanding of bacterial disease.

Trial raises doubts over alternative pain therapy for arthritis

A new randomized controlled trial found that copper bracelets and magnetic wrist straps are ineffective in relieving arthritis pain. The study, led by University of York researcher Stewart Richmond, suggests that any perceived benefits from these devices can be attributed to psychological placebo effects.

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.