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Science News Archive 2009


Page 90 of 277

Money won't buy happiness

Researchers found that poverty alone does not define an individual's overall well-being and that many qualities and attributes need to be considered when designing social programs. Only 24% of people classified as 'poor' reported low life satisfaction, while 18% of those not considered 'poor' also experienced low life satisfaction.

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.

Mounting a multi-layered attack on fungal infections

Researchers have identified a three-pronged mechanism of the human immune system attacking fungal yeast cells, including recognition of specific cell wall components and glucan targets. Understanding these interactions could lead to effective immunotherapy and new treatments for patients with weakened immunity.

Diabetes advance: Researchers find gene that causes resistance to insulin

A breakthrough discovery identifies a new gene called Insulin Receptor Substrate 1 (IRS1) that affects how the body responds to insulin, leading to insulin resistance. The study found a single-nucleotide polymorphism in the IRS1 gene that reduces its activity by 40%, making it harder for insulin to work effectively.

Using waste to recover waste uranium

Scientists have recovered uranium from polluted waters using bacteria and inositol phosphate, a cheap waste material. The process is economically viable, especially as the world price of uranium is likely to increase, offering an environmental protection benefit.

Apple iPhone 17 Pro

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

Piece from childhood virus may save soldiers' lives

A harmless shard from a childhood virus's shell may halt the complement response, a primordial part of the immune system that kills oxygen-deprived victims. This discovery could help save soldiers' lives and reduce brain damage caused by reperfusion injury.

Making more efficient fuel cells

Researchers have discovered a strain of bacteria with pilin proteins that can conduct electricity, leading to increased power output in microbial fuel cells. This breakthrough could enable the use of microbial fuel cells in remote environments and monitoring devices, such as ocean floor sensors, to convert waste into electricity.

Researchers restore missing protein in rare genetic brain disorder

UCSF researchers have successfully restored the missing protein calpain degrades LIS1 protein to near-normal levels in mice with the mouse-model of this defect. The team gave daily injections of a calpain inhibitor to pregnant mice whose fetuses had the mouse-model, resulting in more normal brains and no sign of mental retardation.

Novel bacterial strains clear algal toxins from drinking water

Researchers have identified novel bacterial strains capable of breaking down microcystins, a toxin produced by blue-green algae. These bacteria can be used to create a reliable and cost-effective purification system for removing microcystins from contaminated water.

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.

How manuka honey helps fight infection

Manuka honey kills MRSA by destroying key bacterial proteins, including FabI essential for fatty acid biosynthesis. The study suggests manuka honey could be used as a first-line treatment for resistant bacteria infections.

Building better bone replacements with bacteria

Research uses bacteria to produce biofilm layers containing biopolymers that act as strong adhesives, resulting in better mechanical strength and surface coverage. The biocoating method could lead to improved bone implant materials with enhanced properties.

Researchers find 2 more genetic risk factors for Alzheimer's disease

A team of international scientists has identified two more genetic risk factors for Alzheimer's disease, which appear to be involved in elevated risk and confirmed the importance of APOE4. The new genes, APOJ and PICALM, are linked to smaller but still significant effects on Alzheimer's disease risk.

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.

Malignant signature may help identify patients likely to respond to therapy

A team of researchers has identified a molecular signature that can predict which patients with aggressive cancers, such as pancreatic and breast cancer, are likely to respond to therapy with the anti-cancer drug dasatinib. The discovery could lead to personalized treatment approaches for solid tumors currently resistant to therapies.

Making bacteria make useful proteins

Researchers at the University of British Columbia have developed a system that turns harmless bacterium Caulobacter crescentus into a protein production factory, making useful proteins for vaccines and therapeutic purposes. The technology could be used to manufacture HIV-blocking agents cheaply and with minimal expertise.

Winners of BERA/SAGE Practitioner Research Awards 2009 announced

The 2009 BERA/SAGE Practitioner Research Awards honored Lindsey Thomas and teams for innovative projects, including a virtual learning environment for poetry and academic induction guidelines. Winners receive £500 prize money and SAGE books, promoting high-quality research in education.

Fluke 87V Industrial Digital Multimeter

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

Chimpanzees develop specialized tool kits to catch army ants

Researchers found chimpanzees using multiple tool sets to forage for army ants, with a focus on two types of tools: ant-dipping probes and nest perforating tools. The study suggests that these tool kits may be the first direct evidence of sustainable food harvesting in this context.

Biophysical Society names 2010 award recipients

The Biophysical Society has named eight award recipients for their groundbreaking work in biophysics. The winners include Tom Rapoport, James Hamilton, and S. Walter Englander, who will receive prestigious awards for their contributions to fields such as protein transport, lipid biology, and single molecule biology.

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.

Researchers identify key contributor to pre-eclampsia

A new study reveals that the absence of angiotensin II receptors in the uteri of pregnant women with preeclampsia contributes to the disease's progression. This finding brings researchers closer to understanding the condition and may lead to new treatments.

The war against wildlife comes to an end in Southern Europe

A study analyzing bird persecution in Spain over 14 years reveals a significant decline in direct attacks on wildlife. The drop in hunting activities and increased awareness among urban populations have led to an end in the 'war' against wildlife in southern Europe.

Anticancer compound found in American mayapple

American mayapple, a common weed in US, contains high podophyllotoxin levels, offering potential for commercial production of anti-cancer compound. Researchers identify eastern US colonies with high podophyllotoxin content, paving the way for development of high-value crop.

No frontiers: Ushering in a new era of conferencing technology

The Together Anywhere project aims to simplify group communication via the Internet, creating a sense of presence among distant participants. The Fraunhofer Institute's Audio Communication Engine enhances video and telephone conference call quality with low-delay hi-fi audio.

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.

Ultra-flat loudspeakers with powerful sound reproduction

Researchers at Fraunhofer Institute for Digital Media Technology IDMT created ultra-flat loudspeakers with resonant properties, enabling improved sound quality. The new design allows for integration into surroundings without sacrificing audio quality.

Queen's University physicist unlocking the mysteries of neighboring galaxies

Astronomers, including Queen's University physicist Larry Widrow, have discovered a nearby cosmic encounter between the Andromeda and Triangulum galaxies, which collided about two to three billion years ago. The collision caused millions of stars to be ripped from the Triangulum disk, forming a faint stream visible in the PAndAS data.

Lipid involved with gene regulation uncovered

Scientists at VCU School of Medicine have identified a new lipid mediator that regulates genes, a discovery that could lead to the development of drugs to fight cancer and inflammatory diseases. The study found that S1P acts like a histone deacetylase inhibitor, regulating gene expression in the cell nucleus.

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.

Bringing harmony to electronic waste disposal

The global e-waste problem requires harmonization of disposal and recycling standards across national borders to effectively address the issue. The use of outdated electronic devices poses significant risks to human health and the environment, with 20-50 million tonnes of e-waste generated annually.

Perennial vegetation, an indicator of desertification in Spain

A study found that perennial vegetation cover can indicate desertification processes in semi-arid esparto fields, with a positive correlation between total vegetation cover and soil fertility. This early warning system has potential for management and restoration measures before ecosystem degradation becomes irreversible.

Find local rideshares quickly via mobile phone

The OpenRide mobile ridesharing service uses intelligent route matching to connect drivers with passengers in real-time, providing a convenient solution for last-minute journeys. The system's use of open interfaces enables integration with additional partners, expanding its potential market reach.

U of T researchers identify protein

Researchers at the University of Toronto have identified a protein called nSR100 that controls alternative splicing events in genes critical to nervous system formation. This discovery could provide new insights into brain complexity and neurodegenerative diseases like Alzheimer's.

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.

Discovery leads to rapid mouse 'personalized trials' in breast cancer

Duke University researchers create a mouse model to study tumor diversity, enabling rapid trial studies and more effective cancer treatment. The study examines genetic pathways and sensitivity to drugs, shedding light on the importance of matching therapies with individual patient characteristics.

The first DNA barcodes of commonly traded bushmeat are published

Researchers have published genetic sequences, known as 'DNA barcodes,' to identify species of origin from leather products and meat in international trade. The study, led by the American Museum of Natural History, identifies 25 commonly traded mammals and reptiles, including duikers, Nile crocodiles, and alligators.

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.

Insomnia is bad for the heart

Chronic insomnia increases nighttime blood pressure, leading to cardiovascular risks and heart damage. Researchers found heightened blood pressure in insomniacs, particularly those with overt cardiac disease.

She's going back to school but can she read?

A Canadian report reveals that nearly a million students will fail to graduate high school due to poor reading skills. The study highlights the importance of literacy education and calls for increased support in junior and senior high schools.

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.

Biophysical Society Announces 2010 society fellows

The Biophysical Society has recognized ten new fellows for their exceptional contributions to the field of biophysics. These researchers have made significant advances in understanding the structure and function of biological macromolecules, membrane proteins, and biomembranes through innovative approaches and pioneering techniques.

Smoke no longer found in European hospitals

A study found average PM2.5 micro particle levels in European hospitals to be 3.0μg/m3, with half being between 2.0 and 7.0μg/m3. This suggests exposure to environmental tobacco smoke is 'low' across the continent.

Organic apple orchard floor maintenance techniques

Researchers analyzed three methods of organic apple orchard floor maintenance: alfalfa hay mulch treatment, flame burning technique, and Swiss sandwich system. The Swiss sandwich system emerged as the most suitable combination, particularly with the M.9 RN 29 rootstock, for increasing production under organic protocols.

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.

Environmental effects of cold-climate strawberry farming

Researchers evaluated three growing methods, finding that advanced matted-row system and cold-climate plasticulture systems have less negative effects on natural resources than conventional matted row system. The AMR and CCP systems also showed lower pesticide levels and nutrient runoff compared to CMR.

Einstein scientists move closer to a safer anthrax vaccine

Einstein scientists have identified two small protein fragments that could be developed into an anthrax vaccine, potentially causing fewer side effects than the current vaccine. The research focuses on the protein toxin used in the current vaccine, looking for peptides that can trigger protective antibodies when injected into animals.

Monkey brains signal the desire to explore

Researchers at Duke University Medical Center have made a breakthrough in understanding how monkeys weigh costs and benefits when deciding whether to explore new options or stick with what they know. By analyzing neural signals in the posterior cingulate cortex, the team was able to predict which strategy the monkey would employ.

Watermelon's hidden killer

A new and emerging disease, Watermelon Vine Decline (WVD), has caused devastating economic losses for watermelon producers in Florida. The disease, caused by the whitefly-transmitted squash vein yellowing virus (SqVYV), can lead to rapid vine collapse and marketable fruit loss.

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.

For peat's sake: Alternative growing media

Researchers have evaluated five materials as partial peat substitutes, finding that coconut fibers and pine bark are the most suitable options. These alternatives performed as well or better than standard Sphagnum peat in terms of plant growth and ornamental quality.

Study: Popular supplement quercetin does not enhance athletic performance

A new University of Georgia study tested the antioxidant quercetin in a double-blind, placebo-controlled trial assessing various measures of athletic performance. The researchers found that quercetin did not improve any of the measures examined, including muscle energy synthesis and cycling performance.