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Science News Archive October 2007


Page 3 of 21

MIT: Human-generated ozone will damage crops

A recent MIT study warns that increasing levels of human-generated ozone will damage global vegetation, particularly crops, resulting in significant economic costs. By 2100, crop production is projected to decline by 10-12 percent, with the most affected regions being northern temperate areas.

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.

Scientist brings 50 million year old spider 'back to life'

A 53-million-year-old fossilized spider has been digitally dissected using VHR-CT, revealing internal organs for the first time. The technique has revolutionized the study of amber fossils, providing a unique window into past forest ecosystems.

Study reveals that nitrogen fertilizers deplete soil organic carbon

Research by University of Illinois soil scientists found that nitrogen fertilizers lead to a decline in soil organic carbon, even after decades of use. The study's findings have troubling implications for corn production and highlight the need for site-specific soil testing to optimize fertilizer rates.

Epilepsy-induced brain cell damage prevented in the laboratory

Scientists have found a way to prevent seizure-induced structural changes in brain cells, which can lead to cognitive impairments such as memory loss and reduced attention spans. The breakthrough discovery uses a drug called FK506, which blocks the breakdown of actin, a molecule essential for cell structures.

New guideline recommends when to use CT scans in ER for seizures

A new guideline from the American Academy of Neurology recommends using immediate brain CT scans to screen patients with seizures in the emergency room. This helps doctors select the right treatment option, especially for young children and those with AIDS. The scans can detect abnormalities such as tumors, traumatic brain injury, or s...

The economic power -- and pitfalls -- of positive thinking

Research from Duke University finds that optimism relates to various behaviors, including wise decision-making in small doses. However, extreme optimists display unwise financial habits such as working fewer hours, saving less money, and making impulsive investment decisions.

Apple iPhone 17 Pro

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

Mellon awards Carnegie Grant for Ecological Monitoring in South Africa

The Carnegie Institution's Department of Global Ecology will conduct a one-year pilot study on ecosystem diversity in Kruger National Park using remote sensing and the Carnegie Airborne Observatory. This research aims to improve adaptive management and develop skills for park managers to undertake remote monitoring of ecosystems.

Ecologists uncover links between fever and living fast, dying young

New research reveals fever responses differ among closely related mouse species, suggesting reproductive strategy plays a role. Fast-living mice tend to use fever less often than slow-living counterparts, highlighting the trade-offs between immune defenses and other physiological processes.

Breast cancer returns more often in black women

A recent study found that African-American women with early-stage breast cancer are more likely to experience cancer recurrence 10 years after diagnosis compared to Caucasian counterparts. The research also revealed that younger African-American women tend to have larger tumors and more aggressive tumors than their Caucasian peers, hig...

Odd protein interaction guides development of olfactory system

Researchers at the University of Illinois found a common nervous system receptor that inhibits its binding protein, leading to abnormal neuron growth and development. This unusual mechanism directs the formation of tens of thousands of neurons vital for odor detection.

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.

UGA researchers 1 step closer to elusive cancer vaccine

Researchers at the University of Georgia Cancer Center have synthesized a carbohydrate-based vaccine that successfully triggered a strong immune response to cancer cells in mice. The vaccine has shown promise in creating an antibody response that can kill cultured epithelial cells and stimulating an immune response in healthy mice.

Aggregation propensity, amyloid peptide toxicity and Alzheimer disease

A new study reveals that the intrinsic tendency of amyloid peptide Aß to aggregate determines its pathogenicity in Alzheimer disease. The researchers used a fruit fly model to identify the determinants of Aß's toxicity, finding a clear correlation between aggregation propensity and disease progression.

Study examines ethnic differences in sleep quality and blood pressure

Researchers found that African-American college students reported poorer sleep quality, slept less time, and took longer to fall asleep compared to whites. These findings suggest that ethnic differences in sleep quality may be linked to higher blood pressure risk and 'blood pressure dipping',

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.

Efficient crowd control in bacterial colonies

A study published in PLoS Biology investigates how bacterial cell colonies develop and self-organize to address environmental challenges. The research reveals that bacterial cells can coordinate their growth and movement to improve access to nutrients and facilitate efficient escape from crowded areas.

Collaboration to create pediatric research institute

The Richard King Mellon Foundation Institute for Pediatric Research will strengthen pediatric research and advance children's health, with a focus on high-risk projects and innovative ideas. The institute aims to build upon Pittsburgh's existing reputation as a leading center for pediatric research.

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.

Radiation seeds effectively cure prostate cancer in young men

A large retrospective study found that radiation seed implants (brachytherapy) are equally effective in curing localized prostate cancer in men aged 60 and younger. The study results suggest that younger men should be presented with all viable treatment options, including brachytherapy, regardless of age.

Engineers developing new cements to heal spinal fractures

Engineers are developing new biological cements to repair burst fractures of the spine, a major leap forward in treatment. The novel cement materials mimic the chemical composition of bone and can be injected at the fracture site to stabilize the spine with minimal invasive surgery.

New treatment option studied for bladder cancer

Researchers are investigating vinflunine as a potential treatment for advanced bladder cancer patients who cannot receive standard cisplatin and gemcitabine chemotherapy due to kidney problems. The Phase II study aims to determine if vinflunine can effectively treat the disease while minimizing side effects.

Radiation plus chemo quadruples survival time for fatal brain cancer

Researchers found that patients with glioblastoma multiforme treated with radiation and chemotherapy drug temozolomide can live up to four years after diagnosis, compared to three percent of those who received only radiation. The treatment has become the standard for GBM patients worldwide.

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.

New gene may offer clues to infertility in both cows and women

Researchers at Michigan State University have identified a new gene, JY-1, necessary for embryonic development in dairy cows. The discovery may offer insights into the cause of infertility in women, who also experience single egg release and individual births, unlike mice which release multiple eggs.

1 size may not fit all

Researchers aim to determine who is at risk for colorectal cancer and tailor screening tests accordingly. Dr. Thomas F. Imperiale advocates for more targeted approaches, such as using easily accessible factors like age and family medical history.

UTSA/UT lead national nanoscience consortium

Researchers nationwide team up to develop means of concentrating and controlling optical energy for applications in nanoscience and nanotechnology. The grant aims to attract college students to participate in nanoscience research and explore novel devices such as mid-infrared 'superlens' that can resolve nanoscale features.

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.

Sight, sound processed together and earlier than previously thought

Researchers at Duke University Medical Center have discovered that auditory and visual information are integrated in the brain before being sent to the cortex. The findings suggest that hearing and vision may be more closely linked than previously believed, with implications for understanding how we perceive the world around us.

British Royal highlights anesthesia crisis in the developing world

The Duke of York highlights a global shortage of trained anaesthetists, inadequate equipment, and poor healthcare facilities in the developing world. Effective anesthesia is crucial for universal human rights, including safe childbirth and relief from pain, but progress has stalled due to lack of investment.

10 minutes of talking has a mental payoff

A University of Michigan study found that conversing with others for just 10 minutes can improve memory and cognitive function. The research suggests that social interaction is an effective way to boost mental abilities, comparable to traditional mental exercises.

New system would use rotating magnetic field to detect pathogens

Researchers at Purdue and Duke universities developed a technique using a magnetic field to selectively separate tiny magnetic particles, representing a highly sensitive method for diagnosing diseases. The new system can diagnose multiple pathogens in a single sample with high accuracy.

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.

What's the brain got to do with education?

A recent survey of teachers found that neuroscience can make an important contribution to educational areas, with over 87% of respondents supporting its use. However, the scientific basis of some brain-based teaching methods is highly contentious and often misapplied.

Social standing influences elephant movement

African elephants led by older, more dominant matriarchs travel significantly fewer miles to seek food than subordinate groups. During the dry season, dominant groups trek an average of 4-5 kilometers per day, while subordinate groups cover 8-11 kilometers.

Algorithm for mapping mild cognitive impairment

Researchers present a new framework for mapping mild cognitive impairment, including an online diagnostic algorithm. The framework characterizes different classifications of MCI and their patterns of etiology, cognitive decline, and clinical outcome.

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.

Dead clams tell many tales

A study by University of Chicago's Susan Kidwell reveals an inverse relationship between the extent of human impact and how well collections of dead shells reflect the current inhabitants of an ecosystem. This new tool can provide a deeper historical perspective on ecosystems, helping scientists understand the effects of human actions.

Get in touch

Scientists at the Salk Institute report that ATM protein activation depends on both damaged DNA and surrounding flanking regions. This discovery reveals a new mechanism for efficient DNA repair, highlighting the importance of intact chromatin in activating the cellular response.

Brain circuits that control hunger identified

A study by UCLA researchers has identified brain circuits involved in hunger that are influenced by leptin, a hormone produced by fat cells. Leptin supplementation reduced activation in regions linked to hunger while enhancing activation in regions linked to inhibition and satiety in three adults with congenital leptin deficiency.

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.

Mice help researchers understand chlamydia

A research team led by Dr. Michael Starnbach is using genetically engineered mice to study the immune system's response to Chlamydia infections. They aim to understand which components of the immune system need to be stimulated to fight the infection, with the ultimate goal of developing a vaccine for adolescent girls.

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 insights into inflammation in osteoarthritis

A study found that 82% of entheses have a synovio-entheseal complex (SEC), which is involved in triggering inflammation in OA. The SEC's formation is linked to fibrocartilage degeneration and cell clustering, suggesting a novel mechanism for synovial inflammation.

Burrowing mammals dig for a living, but how do they do that?

Researchers studying burrowing mammals, such as moles and mole rats, have discovered unique adaptations that enable them to dig efficiently in rocky soils. Convergent evolution plays a key role in the development of these specialized features, allowing these mammals to thrive in challenging environments.

Vital statistics: not vital enough

A lack of reliable national statistics on births, deaths, and causes of death hinders global health development. The authors of a recent study found that only a few developing countries have improved their civil registration systems in the past 50 years.

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.

Walking prevents bone loss caused from prostate cancer treatment

Prostate cancer patients undergoing hormone therapy who walked five times a week maintained or gained bone density, while those who didn't exercise lost more than two percent of their bone density. A nurse-directed home-based walking program improved physical function and managed symptoms during radiation and hormone treatment.

Women with breast cancer have less dermatitis when treated with IMRT

Researchers found that women with early-stage breast cancer who received intensity-modulated radiation therapy (IMRT) had significantly fewer cases of serious dermatitis compared to those receiving conventional radiation. The study also showed that patients treated with IMRT experienced a shorter duration of dermatitis.

A scandal of invisibility: making everyone count by counting everyone

A study by Dr. Philip Setel highlights the need for comprehensive civil registration in developing countries to track vital statistics, benefiting individuals and societies. The authors argue that affordable remedies exist to overcome stagnation, but their implementation is crucial for policy formation and accountability.

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.

The way forward for vital statistics

A lack of civil registration systems and vital statistics in many low-income countries hinders evidence-based decision-making. The authors propose three options to tackle this challenge: advocating for government support, establishing an international body, and leveraging new funding flows.