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Science News Archive April 2004


Page 4 of 12

Coffee, tea or polishing slurry?

Researchers have developed a faster and more environmentally friendly polishing slurry using green tea extract, which can save hard-drive manufacturers millions of dollars in disposal costs. The new slurry works by binding to tiny particles on the surface of read-write heads, making them easy to remove with water.

Understanding epilepsy

Epileptic seizures result from brain dysfunction, with early diagnosis and treatment crucial to preventing irreversible damage. The stigma surrounding epilepsy exacerbates the condition's impact on daily life and quality of life.

Only half of recalled meat and poultry is recovered, study finds

A study by Ohio State University found that despite new regulations, only half of recalled meat and poultry products are actually recovered from the market. The number of recalls has increased due to more sensitive tests, but their success rate remains low. Small plants have shown a better recovery rate than large ones.

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.

Cellular problems found behind complex obesity syndrome

A team of scientists found that a single genetic mutation in the BBS4 protein can cause complex disorders like obesity, diabetes, and retinal degeneration. The researchers discovered that the mutation affects microtubule function, which is essential for cellular division and cell death.

Spiders make best ever Post-it notes

Researchers have discovered a molecular force used by spiders to attach themselves to surfaces, which could be the key to creating super-strong adhesive Post-it notes. The van der Waals force is so strong that it allows spiders to carry their own body weight on their feet while standing on ceilings.

Open surgery better for most hernias

A recent study analyzing over 1,700 surgeries found that open surgery was more effective than laparoscopic repairs for treating groin hernias. The study also revealed that surgeons' experience with the procedure played a significant role in its success.

Apple iPhone 17 Pro

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

Using smaller hearts could increase donor pool

A recent study found that undersized hearts can adapt by increasing in mass without affecting function or survival rates. This discovery could expand the heart donor pool to meet growing demand, with 3,490 people currently waiting for a transplant.

Study reveals cause of loss of consciousness during seizures

Researchers discovered that abnormal signals scattered across brain images, like a fireworks display, occur in patients who lose consciousness during seizures. In contrast, patients who don't lose consciousness have localized increases confined to the temporal lobe.

When microns matter: Web site smooths the way

The NIST virtual surface calibration Web site provides free two-dimensional surface texture analysis software and a database of 10 different types of surface profiles. Manufacturers can validate software measurements and upload their own surface profiles to gain confidence in the accuracy of their software.

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.

Canadian doctors don't know costs of prescribed treatments

A study found that 73% of Canadian doctors can't estimate treatment costs within 25% of actual costs. They tend to underestimate expensive treatments and overestimate cheap ones, which can lead to unnecessary prescribing. The pharmaceutical industry's reluctance to provide cost information further hampers this process.

Portable 'rainbow' source improves color calibrations

NIST's new portable 'rainbow' source enables precise color calibration across the entire visible light spectrum, addressing uncertainty in instruments measuring ocean and atmospheric properties. The highly portable source has been ordered by NOAA to reduce uncertainties in satellite calibrations.

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.

College intro science courses need overhaul, scientists say

Scientists recommend overhaul of college introductory science courses to implement inquiry-based and active-learning strategies. This approach has proven to spark student interest in science, improve learning outcomes, especially among women and underrepresented minorities.

Professor proves bargaining procedure saves time and money

Researchers found that using an escrow settlement model settles cases more quickly and reduces litigation costs by 37%. The study, published in the Journal of Economic Behavior and Organization, showed that 69% of cases were settled out of court using this method.

Valve disease impacts survival while awaiting heart transplant

A Temple University study found that patients with diseased aortic valves before receiving an LVAD have significantly lower survival to transplant rates. Conversely, those with normal aortic valves have higher survival rates, suggesting the importance of valve repair or upgrade in heart transplant optimization.

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.

Improving eye patient care with telemedicine standards

The NIST-developed standards provide guidelines for capturing, storing, and interpreting images of the eye to aid in diagnosing diabetic retinopathy. This approach allows healthcare professionals flexibility in choosing equipment, while ensuring quality image capture.

VA's newest manufacturer has microscopic product line

Luna Innovations plans to manufacture Trimetaspheres, soccerball-shaped molecules with enhanced MRI imaging capabilities. The company's ATP project enabled cost-effective production of nanomaterials with potential uses in consumer and military products.

Mothers' cells can cause immunity illness in children

A Mayo Clinic study found that most children with juvenile dermatomyositis (JDM) carry a particular gene from their mother, triggering an immune response. The research suggests that maternal cells may play a role in the development of JDM, a rare condition that causes inflammation and muscle damage.

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.

Imaging test could be used to diagnose schizophrenia

Researchers at Yale University developed an imaging test that identifies patients with schizophrenia with 97 percent accuracy. The test targets abnormalities in the auditory cortex and has potential as a powerful clinical tool for assessing schizophrenia.

Seabed secrets in English clay

Researchers found fossils of green sulfur bacteria and oxygen-breathing sea reptiles coexisting in Oxford Clay sediment, challenging the standard interpretation of the fossil record. The team's discovery suggests that environmental conditions were dynamic during deposition, possibly due to climatic changes.

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.

New drug is safer and more effective in preventing heart tranplant rejection

Researchers found that everolimus, when combined with cyclosporine and steroids, prevents transplant rejection and lowers risk of infection and complications more effectively than traditional anti-rejection therapy. A two-year study demonstrated the drug's improved safety and efficacy in preventing heart transplant rejection.

Fat cell hormone causes weight loss

Researchers at the University of Pennsylvania School of Medicine have discovered a fat cell hormone, adiponectin, that can cause weight loss in mice by increasing their metabolic rate. This finding has far-reaching potential to help treat obesity-related diseases such as diabetes and heart disease.

Something old, something new

Researchers Drs Sun and Arceci find that loss of PASG gene results in reduced genomic methylation and premature aging in mice. The study reveals a potential model for studying aging and epigenetic regulation, with implications for cancer predisposition and therapeutic targeting.

Meta Quest 3 512GB

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

Bye-bye Bio 101: Teach science the way you do science

Researchers at HHMI argue that supplementing lectures with active learning strategies leads to better understanding and success in science courses. The study recommends revamping introductory courses, training scientists to teach, and changing the reward system to emphasize good teaching.

Satellites act as thermometers in space, show Earth has a fever

Researchers used satellites to create an 18-year record of global land surface temperatures, confirming that snow-free land surfaces have warmed. The satellite data provides a more detailed and comprehensive understanding of climate changes and will improve computer modeling.

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.

Discovery offers clues to origin of life

A research team found mineralized tubes and DNA associated with microbial activity in ancient basaltic glass samples, suggesting that microbes colonized the early oceanic crust. The discovery provides clues to the origin of life on Earth.

Concern for European public health as EU border extends to the east

The EU's new eastern border raises concerns about the growth of communicable diseases in Russia, Ukraine, and Belarus. Public health systems have struggled to respond to these challenges, and a global response is needed to strengthen health systems and prevent disease spread.

Challenges facing a changing rural America

The book Challenges for Rural America in the 21st Century examines rural social change, economic transformation, and policy implications. Key findings include unevenly spread gaming benefits, elder care challenges, and the need for rural communities to adapt to a decentralized system.

Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Promising diagnostic test for sleeping sickness

A new diagnostic test using proteomic signature analysis has been developed to accurately diagnose sleeping sickness. The test showed a sensitivity of 100% and specificity of 98.6%, offering a promising solution for early detection and treatment.

NSF grant to preserve electronically published research

Cornell University Library will collaborate with Göttingen State and University Library in Germany to develop an online archive of digital mathematics serial publications. The project aims to provide long-term access to e-research literature and serves as a model for similar efforts in other disciplines.

UF study: Sibling violence leads to battering in college dating

A University of Florida study found that sibling violence is a predictor of dating violence, particularly among those who experienced physical abuse as children. The survey of over 500 participants revealed that siblings who were abused or perpetrated violence towards each other were more likely to engage in abusive behavior in their r...

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.

CellCept's cardioprotective profile reinforced

A new study further reinforces CellCept's cardioprotective profile, demonstrating lower rates of coronary artery disease in patients treated with CellCept compared to azathioprine. This finding could explain the superior survival benefits observed with CellCept.

Four new research centers to explore link between oceans and human health

Four new research centers will bring together experts in biomedical and oceanographic sciences to study the effects of harmful algal blooms, marine pathogens, and the oceans' potential for drug discovery. The centers will accelerate scientific discovery and develop new sensors for early warning systems.

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.

New Woods Hole Center for Oceans and Human Health established

The Woods Hole COHH will research how oceanic processes affect human pathogens, focusing on temperate coastal ocean distribution and persistence. The center aims to address public health threats from harmful algal blooms and contaminated coastal waters.

Genome-wide screen reveals new tricks of old genes

A genome-wide screen reveals new functions for old genes associated with chromosome cohesion, a process keeping chromosomes together until cell division. The study identified 17 genes involved in this critical aspect of genetic material manipulation.

Scientists correct cystic fibrosis defect in mice with turmeric extract

A team of researchers has successfully corrected a genetic defect responsible for cystic fibrosis in mice using turmeric extract. Curcumin, a compound found in turmeric, was able to release the mutant CFTR protein from an inappropriate compartment inside the cell and allow it to function normally.

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.