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Science News Archive June 2005


Page 4 of 15

Researchers debut new X-ray resources for studying molecules

The NIH and DOE have collaborated to develop additional X-ray beamlines at Argonne National Laboratory, enhancing structural biology research. Researchers can now conduct studies from home laboratories with the aid of automated tools, leading to improved data quality and discovery.

NASA satellite data capture a big climate effect on tiny ocean life

Phytoplankton population and size can change dramatically due to El Niño and La Niña events, affecting ocean ecology and influencing the climate. These changes impact carbon storage in the ocean, which in turn helps stabilize carbon dioxide concentrations in the atmosphere.

Apple iPhone 17 Pro

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

Breast cancer growth regulator holds promise for more targeted treatment

A recent study by Yale University researchers found that sEGFR, a breast cancer growth regulator, can indicate the effectiveness of letrozole in postmenopausal women with metastatic breast cancer. Decreased concentrations of sEGFR were seen in 73% and 76% of patients after one month and three months of treatment respectively.

The shifty nature of grains

Duke University researchers used a novel system to trace stress flow in granular materials, finding jagged pathways in certain setups. The Chicago Materials Research Center also made significant discoveries, quantifying changes in stress propagation when grains shift from jammed to flowing states.

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.

Look to the future: Preparing for baby boomer dementia epidemic

A recent study published in the Journal of General Internal Medicine found that 434 out of 3,340 older adults screened positive for dementia, but only half received a definitive diagnosis. This highlights the need for improved follow-up care and awareness to prevent misdiagnosis and ensure timely treatment.

NASA researchers studying tropical cyclones

Researchers will monitor oceanic thunderstorms to study why some systems develop into tropical cyclones and some do not. The data could support development of a more accurate and timely warning system to help safeguard property and lives.

Thyroid-cancer test reveals recurrence early

Researchers developed a new test for thyroid cancer that can detect recurrence up to three years before symptoms appear. The test measures thyroglobulin levels after injecting patients with Thyrogen, allowing for earlier detection of the disease.

Saving six million children each year is affordable

A new study estimates that an additional $5.1 billion annually will be needed to deliver universally available interventions in 42 countries, which will save the lives of 6 million children. The authors conclude that this cost is affordable and reflects a choice made by policy makers and donors.

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.

Invasive parasite destroying fish species

A newly discovered invasive parasite is destroying the small sunbleak minnow's ability to spawn, potentially threatening freshwater ecosystem diversity and stability. The parasite, found in Asian gudgeon fish, causes near 100% failure in successful spawning, wiping out local populations over several generations.

Plant pathologists address next steps in combating soybean rust

Soybean rust, a fungal disease affecting crops in Africa, Asia, Australia, and South America, has caused up to 80% yield losses. Plant pathologists will discuss research on overwintering, movement, host plant resistance, and chemical control during the APS Annual Meeting symposium.

UF's record-setting new chip has potential for bioterrorism detection

Researchers at the University of Florida have created a new type of high-frequency circuit using widespread complementary metal oxide semiconductor technology. The 105 GHz circuit has potential applications in bioterrorism detection, as its frequency closely matches that of tiny pathogens and chemical bonds.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Study shows how granular materials get themselves out of a jam

A team of physicists at the University of Chicago has measured the forces exerted between granular particles as they transition from a jammed state to a flowing state. The study shows that granular systems have an 'effective temperature' similar to glass, allowing particles to rearrange and flow.

Speed limits may not be saving lives

A study published in Review of Policy Research questions the role of speed limits in improving highway safety. Research by Dr. Robert O. Yowell suggests that technical progress, seat belt use, and increased road maintenance contribute more to declining fatality rates.

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.

The making and breaking of microtubules

The study reveals the forms taken by transitional structures of tubulin during microtubule assembly and disassembly, providing a new understanding of microtubule dynamic instability. The binding of GTP controls activity at the growing end of the microtubule, enabling rapid growth followed by sudden shrinking.

When it comes to cell entry, being average has its advantages

Researchers discovered that mid-sized nanomaterials (27-30 nm) are optimal for cellular entry. This knowledge can help design drugs to keep viruses out and molecules to enter cells safely. The study's findings have broad implications for developing gene and drug delivery tools.

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.

Study finds parking lot sealcoat may be major source of PAHs

A recent study published in Environmental Science & Technology has found that parking lot sealcoat may be a significant source of polycyclic aromatic hydrocarbons (PAHs). The research suggests that the sealcoat can leach PAHs into the environment, posing potential health risks.

'Hollow-face illusion' affects estimates of distance and reaching tasks

A joint study by the University of Minnesota and German institutions found that participants' perceived shape of a face influences their verbal estimates and reach movements. The 'hollow-face illusion' showed similar effects on both verbal and reaching tasks, highlighting the importance of object recognition in motor actions.

Oral rinse predictor of marrow transplant effectiveness

A new study has developed an oral rinse test that can detect the presence of white blood cells in patients undergoing bone marrow transplants. The test was found to be effective in predicting which patients are at risk of infection during their recovery, with a difference of less than four days being an indicator of susceptibility.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

MIT physicists create new form of matter

Researchers at MIT have successfully observed fermionic superfluidity in a lithium-6 isotope, enabling the study of high-temperature superconductivity. The team achieved this by cooling gas close to absolute zero and trapping it using laser beams.

CBEN: Buckyball aggregates are soluble, antibacterial

Research reveals that nano-C60 dissolves in water and inhibits the growth of bacteria at low concentrations. The findings raise questions about the potential applications and environmental impact of buckyball aggregates.

Researchers improve lung cancer survival rates

A new study finds that post-surgical chemotherapy significantly improves five-year survival rates for patients with non-small cell lung cancer, reducing cancer recurrence by 49% compared to surgery alone. The treatment is inexpensive and has limited side effects, paving the way for a new standard of care.

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.

Passion for technology: Three UH women honored

Math Professor Suncica Canic received a Top Houston Women in Technology award for her career achievements and research on improving stent design. UH students Irene Cooperstein Cole and Barbara Nishae Brooks were awarded $10,000 Kathi Bowles Scholarships for their exemplary performance in math and computer science.

Revealed: The true cost to the nation of multiple pregnancies

A European study found that multiple pregnancies have a significant economic impact, with costs estimated at over €60m annually. The study suggests that preventing multiple births through single embryo transfer can reduce these costs and improve outcomes for mothers and babies.

Survey shows that physicians are more religious than expected

A recent survey reveals that physicians are nearly as religious as the general population, but their specific beliefs often differ from those of their patients. The study found that doctors from certain ethnic and religious backgrounds were more likely to identify as religious, while others were less likely.

Fluke 87V Industrial Digital Multimeter

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

Therapy may not be necessary for autoimmune hepatitis with no symptoms

Researchers found that asymptomatic autoimmune hepatitis patients had lower liver enzyme and IgG antibody levels, but did not differ from symptomatic patients in terms of inflammation. Despite treatment recommendations, most asymptomatic patients do well without immunosuppressive therapy as long as they remain asymptomatic.

Deep sea algae connect ancient climate, carbon dioxide and vegetation

Scientists have discovered a connection between ancient climate, carbon dioxide levels, and vegetation in deep sea algae. The study found that atmospheric carbon dioxide levels were up to five times greater than today during the Paleogene Period, leading to rapid global cooling and the origin of land plants sensitive to CO2.

Researchers grow stem cells from human skin

Researchers have successfully grown mesenchymal stem cells from human skin, which can be differentiated into three vital tissues: bone, muscle, and fat. This breakthrough could provide a valuable resource for tissue repair and organ regeneration, overcoming problems with immune rejection and tissue shortage.

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.

Bioinformatics reveals new gene regulation system

A new transcription factor system in bacteria has been identified, which represses expression of genes involved in DNA replication. The system was discovered using comparative genomics and phylogenetic footprinting, revealing a highly conserved signal sequence and the regulatory transcription factor that binds it.

Ultra-fast camera captures how hummingbirds hover

Researchers from Oregon State University and colleagues used digital particle imaging velocimetry to analyze the wing movement of hummingbirds. The study found that hummingbirds support 75% of their weight during the down stroke and 25% on the up stroke, unlike insects which produce equal amounts of lift during both strokes.

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.

Brain's own marijuana-like chemicals play key role with stress-induced pain relief

Researchers have discovered a link between stress-induced analgesia and endocannabinoids, finding that natural marijuana-like chemicals in the brain play a key role in pain suppression. A novel inhibitor molecule has been developed to boost the analgesic effect of the specific cannabinoid compound most directly related to pain relief.

Runyon award goes to third Vanderbilt-Ingram scientist since 2002

Christine Chung, a Vanderbilt researcher, has won the Damon Runyon Research Foundation/Lilly Clinical Investigator Award to support her work on genetic profiling for head and neck cancers. The award will provide funding for DNA microarray technology to predict tumor recurrence and response to chemotherapies.

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.

Arthritis: What Wnt wrong?

A study published in the American Journal of Pathology reveals that Wnt-7b is significantly upregulated in arthritic knee tissues, particularly in areas of high inflammation. The findings suggest a potential role for Wnt-7b in rheumatoid arthritis progression and may lead to new therapeutic strategies.

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.

New material could improve fabrication of nanoscale components

Researchers at Penn State have developed a new type of ultrathin film made from spherical cages of carbon atoms, which can enable more precise patterning of electronic and sensing devices. The material's unique properties allow for easier replacement of molecules, expanding the range of molecular components that can be incorporated.

Hummingbird flight an evolutionary marvel

Researchers used digital particle imaging velocimetry to document the movement of air around a hummingbird's wings, revealing that it develops only 25% of its weight support during the upstroke. This unique wing structure enables hummingbirds to tap into 'leading edge vortices' and gain hovering ability.

Brown-Harvard team solves mobile DNA's surgical sleight-of-hand

A Brown University and Harvard Medical School team has revealed the crystal structure of λ-integrase, a protein responsible for site-specific recombination in lambda virus. The findings provide a major leap in understanding mobile DNA, with implications for studying viral infections and gene editing.

Meta Quest 3 512GB

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

Some male breast cancer patients may have unnecessary radiotherapy

A study of 60 male and 4,181 female breast cancer patients found that men were almost six times more likely to receive radiotherapy than women with similar disease stages. The researchers concluded that men should be treated using the same guidelines as women for radiotherapy treatment.