Bluesky Facebook Reddit Email

Science News Archive September 2009


Page 7 of 24

Obesity hinders chemotherapy treatment in children with leukemia

Recent findings published online first in Cancer Research show that obesity is associated with increased incidence and mortality of leukemia in children. The study reveals that fat cells can block chemotherapy drugs from reaching cancerous cells, leading to reduced treatment effectiveness.

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.

Rethinking Alzheimer's disease and its treatment targets

Researchers propose a new hypothesis for Alzheimer's disease: the myelin model. This theory suggests that degenerative diseases like Alzheimer's begin with normal brain maintenance and repair processes. The model suggests targeting earlier stages of myelination, potentially reducing dementia's burden.

Expert calls for new cancer research priorities

Expert calls for a shift in cancer research priorities, focusing on prevention and non-drug treatments to combat the growing cancer burden. The global cancer cases are expected to rise, and improving early detection and primary prevention strategies hold the potential for significant gains.

How good are tests for E. coli in streams?

Research finds that pathogenic E. coli are common in Michigan and Indiana streams, even with low fecal indicator bacteria concentrations. The study suggests that current methods for determining water quality may not accurately predict the presence of harmful pathogens.

Synthetic Biology Project receives 2 National Science Foundation grants

The Wilson Center's Synthetic Biology project has received two National Science Foundation grants to support research on the implications of synthetic biology for sustainability science and policy. The projects will explore emerging issues in synthetic biology, including its potential contribution to sustainable development.

Apple iPhone 17 Pro

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

New beryllium reference material for occupational safety monitoring

Researchers at NIST developed a new reference material, Beryllium Oxide Powder (SRM 1877), which mimics the form of beryllium to which workers are exposed, enabling more representative toxicological studies and sensitive monitoring. This will facilitate effective clean-up of contaminated areas and aid in contamination control.

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.

Release of the Stem Cell Charter

The Canadian Stem Cell Foundation has released a charter that unifies supporters of stem cell research, outlining five principles for advancing the field. The charter aims to promote responsible science, protect citizens, and empower the public to speak out on behalf of stem cell research.

A trillion triangles

Researchers from North America, Europe, Australia, and South America have solved the first one trillion cases of an ancient mathematics problem. The team developed a clever technique for multiplying large numbers, making it possible to calculate the area of right-angled triangles with whole number or fraction sides up to a trillion.

New report shows rising tide of fractures in Asia

The International Osteoporosis Foundation reports a growing problem of osteoporosis in Asia, with hip fracture incidence increasing 2-to 3-fold over the past 30 years. Vitamin D deficiency and low calcium intake are widespread, resulting in significant personal suffering, lost productivity, and long-term dependence.

Rosalind Franklin Young Investigator Award recipients announced

Dr. Jue D. Wang and Dr. Iiris Hovatta have been awarded the Rosalind Franklin Young Investigator Awards for their pioneering work on DNA replication regulation and neuropsychiatric diseases. They will receive a $75,000 award over three years to support their research.

Celestron NexStar 8SE Computerized Telescope

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

New links among alcohol abuse, depression, obesity in young women found

Researchers found that nearly half of young adult women met the criteria for depression, obesity, or alcohol abuse at multiple time points. The study also discovered a significant link between obesity and depression in women, with those experiencing weight issues more likely to report depression later on.

Lies my parents told me

A new study from the University of Toronto and UC San Diego found that many parents use deception to shape their children's behavior and emotions. The researchers surveyed U.S. participants in two studies about parental lying, revealing that even parents who emphasize honesty with their children often engage in 'parenting by lying.'

Switch program increases kids' healthy eating, reduces screen time

The Switch programme, a family-, school-, and community-based intervention, promotes children's fruit and vegetable consumption and lowers 'screen time'. Researchers found modest but significant results in reducing screen time and increasing fruit and vegetable consumption in the experimental group.

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.

EVE: Measuring the sun's hidden variability

The sun undergoes intense fluctuations every 11 years, but most of it remains invisible to human eyes due to its high-energy EUV radiation. The new EVE sensor will improve our understanding of the sun's behavior and potential changes by measuring EUV emissions with unprecedented accuracy.

New multi-use device can shed light on oxygen intake

A Purdue University researcher developed a fiber-optic sensor capable of measuring oxygen intake rates in real-time. The self-referencing optrode has broad applications across disciplines, including biomedical science, agriculture, and material science.

New findings could help hybrid, electric cars keep their cool

Researchers developed formulas and models to predict boiling behavior in microchannels, allowing for more efficient cooling systems. The new technology can be used to cool high-power electronic components in vehicles, improving performance and reducing overheating.

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.

Diamonds may be the ultimate MRI probe, say Quantum physicists

Researchers have found a candidate quantum bit in diamond that can sense atomic-scale variations in magnetism, hinting at the possibility of MRI-like devices for probing individual drug molecules and living cells. This technology could sidestep the need for cooling, making it suitable for medical applications.

LSUHSC researchers working to prevent diabetic neuropathy

Researchers at LSU Health Sciences Center are working on a study to prevent nerve cell death in people with uncontrolled diabetes, which causes neuropathy. The team aims to understand the mechanism of nerve cell survival after inflammatory or neuropathic insult to develop new treatment and prevention strategies.

'McDonaldization' of frogs

A recent analysis of Central American frog surveys reveals the devastating impact of Batrachochytrium dendrobatidis, a microscopic fungus, on frog communities. The study shows that the fungus is causing a 'vast homogenization' of species, leading to significant losses in biodiversity and regional extinctions.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

A flash of light turns graphene into a biosensor

Researchers from PNNL have developed a DNA-graphene nanostructure that can detect diseases, toxins, and pathogens. The biosensor has potential applications in cancer diagnosis, food safety, and biodefense due to its stability and high sensitivity.

A splash of graphene improves battery materials

Researchers found that adding graphene to titanium dioxide-based batteries enhances their performance, with electrodes containing graphene charging and discharging faster than those without. This breakthrough could lead to the development of more efficient lithium-ion batteries using inexpensive materials.

New vista of Milky Way center unveiled

The mosaic image reveals stellar evolution, bright young stars, and a supermassive black hole at the Galactic center. Giant X-ray flares from Sgr A* have occurred about 50 and 300 years earlier.

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.

'Lies my parents told me'

A new study by University of California - San Diego researchers found that parents regularly lie to their children to promote good behavior and make them happy. The practice, known as 'parenting by lying,' is more common among Asian-American parents.

Rural roads dangerous for young drivers

A study of over 20,000 young drivers found that those living in rural areas are more likely to be involved in serious crashes than urban counterparts. Rural roads pose significant risks due to curved sections and speeding.

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.

Mindful meditation, shared dialogues reduce physician burnout

Training in mindfulness meditation and communication can alleviate physician burnout, improve patient-centered care, and enhance a doctor's capacity to relate to patients. The program combines techniques of meditation, narrative medicine, and appreciative dialogues to promote a more open and nonjudgmental outlook.

Tel Aviv University invention busts dust

The 'Dust Alert' sensor measures dust, pollen, and toxins in the air, providing real-time contamination levels and precise chemical composition analysis. This invention can help improve air quality, mitigate health risks, and provide critical information for urban planners.

National autism research led by Leicester specialist

A major study into adults living with autism has found that one in every hundred adults in England has the condition, similar to child prevalence rates. The study also reveals distinct characteristics of individuals with autism, including employment status and housing type.

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.

Therapeutic nanoparticles give new meaning to sugar-coating medicine

The team found that the particles' interactions allow them to heat up better when exposed to an alternating magnetic field, destroying cancer cells without harming surrounding tissue. This breakthrough could lead to more effective treatment methods and design of better nanoparticles.

Northern brown bears discovered feeding on whitefish runs

Researchers have found northern brown bears feeding on migrating broad whitefish in a stream in the Mackenzie Delta region. This discovery highlights the importance of considering the impact of development activities on these bears' diets and survival.

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.

People with type 2 diabetes improved muscular strength

Exercise counseling combined with fitness center-based training improves muscular strength and exercise capacity in people with type 2 diabetes, comparable to supervised exercise programs. Physical therapists can effectively prescribe this approach for patients with type 2 diabetes.

All tied up: Tethered protein provides long-sought answer

Scientists have used single-molecule techniques to study the tethered lactose repressor protein, revealing how flexibility within the protein influences its ability to form DNA loops. The results suggest that limiting flexibility limits protein function in this case.

Hurricane frequency is up but not their strength, say Clemson researchers

A new study by Clemson University researchers contradicts global warming claims by finding that hurricane frequency is increasing in the Atlantic Basin, but their individual strengths are not growing stronger. The study analyzed changes in tropical cycle records between 1851 and 2008 and found no evidence of increased storm strength.

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.

Transhumance helps vulture conservation

Researchers have found that transhumant sheep farming is crucial for griffon vulture conservation, as it provides an important trophic resource. The study shows that the presence of transhumant cattle in mountain passes gives vultures access to up to six times more food than local livestock.

Explaining why pruning encourages plants to thrive

Researchers have discovered that all shoot tips on a plant can influence each other's growth, allowing the strongest branches to thrive. By understanding the action of hormones like auxin and strigolactone, horticultural practices can be developed to promote optimal branching patterns in crops.

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.

New research provides new insight into age-related muscle decline

A study published in Genetics suggests that superoxides from the air can harm muscle tissue, leading to problems like aging and Parkinson's disease. Researchers found that introducing a mitochondrial enzyme helped protect muscle cells, increasing survival rates in fruit flies.

Balance organs affect brain blood flow

Researchers found that stimulation of inner ear balance organs affects brain blood flow in opposition to changes in blood pressure. The study may lead to new treatment options for conditions such as aging-related vestibular loss and orthostatic intolerance.