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Science News Archive March 2005 - Page 8


Page 8 of 15
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.

Government wasting your taxpayer money on ineffective drug cure

The government is funding an ineffective drug cure for chronic hemodialysis patients, with costs estimated at $8086 per year per person. Dr. Theodore Steinman argues that more and better studies are needed before L-carnitine can be used on a wide scale basis.

SourceBlackwell Publishing Ltd.·JournalSeminars in Dialysis·DateMar 15, 2005

Mayo Clinic discovers 'new pathway' against pancreatic cancer

Researchers at Mayo Clinic discovered a new pathway against pancreatic cancer by targeting the GSK-3 Beta molecule, which regulates NF Kappa B activity. This finding may lead to new drug development strategies for other cancers and improve treatment options for pancreatic cancer patients.

SourceMayo Clinic·JournalCancer Research·DateMar 15, 2005

Dealing with conflict in caring for the dying patient

The article highlights five major types of conflict in caring for the dying patient, including physician-family, physician-nurse, and family-family conflicts. It suggests negotiating a course of treatment with all parties involved to avoid potential conflicts and emphasizes the importance of empathy in resolving disputes.

SourceUniversity of Pittsburgh Medical Center·JournalJAMA·DateMar 15, 2005
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.

Polymers with copper show promise for implanted sensors

Researchers at the University of Michigan have developed new polymer coatings that generate nitric oxide from compounds found in blood, which may improve accuracy and reduce clots in implanted sensors. The copper-based materials could lead to longer lifespans for these devices, addressing limitations of earlier designs.

SourceUniversity of Michigan·DateMar 15, 2005

Other highlights in the March 16 JNCI

A new study found that racial and ethnic differences in breast cancer rates can be largely explained by the distribution of risk factors, except in African American women. Among those diagnosed with breast cancer, African American women are more likely to have advanced-stage disease, larger tumors, and estrogen receptor-negative disease.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateMar 15, 2005

Researchers devise way to mass-produce embryonic stem cells

Researchers have successfully developed a method to mass-produce embryonic stem cells using a bioreactor, which increases cell growth up to 193-fold in just 15 days. This innovative approach has the potential to reduce production costs by at least 80% and increase cell density by several hundred million times.

SourceOhio State University·DateMar 15, 2005
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.

Earlier use of prostate cancer vaccines urged by Hopkins scientists

Researchers found that vaccinating mice with prostate cancer immediately after hormone therapy triggers a stronger T-cell response against the cancer. The strategy could lead to better vaccine effectiveness in humans, delaying the need for additional treatments or hormone therapy.

SourceJohns Hopkins Medicine·JournalCancer Cell·DateMar 15, 2005

Cardiologists underestimate racial and ethnic disparities in care

A recent study found that cardiologists significantly underreported racial and ethnic disparities in care, with only 12% reporting disparities in their own hospitals. The study suggests that increasing awareness through practice data analysis can help address these disparities.

SourceAmerican Heart Association·DateMar 15, 2005

Antioxidant blood levels key to MnSOD gene

A study found that carriers of a genetic variant associated with low antioxidant levels in the blood have a significantly increased risk of developing aggressive prostate cancer. The research highlights the potential role of antioxidants such as selenium and vitamin E in preventing prostate cancer.

SourceAmerican Association for Cancer Research·JournalCancer Research·DateMar 15, 2005
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.

American Thoracic Society Journal news tips for March 2005 (second issue)

Research finds that ICU patients who develop bloodstream infections have a significantly higher mortality rate than those who do not, highlighting the importance of preventing these infections. The study also suggests that interventions targeting less severely ill patients and at-risk individuals may be effective in reducing mortality ...

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateMar 15, 2005

Prostate cancer screening practices examined

A massive study is examining prostate cancer screening practices to determine their impact on death rates. The study follows 75,000 men, half of whom are screened and half receive conventional care, allowing researchers to compare survival rates.

SourceWashU Medicine·JournalJNCI Journal of the National Cancer Institute·DateMar 15, 2005
Meta Quest 3 512GB

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

Chemists identify immune system mechanism for methamphetamine binges

Researchers discovered that methamphetamine triggers an immune response by forming antibodies, leading to increased tolerance and binge behavior. This finding may lead to the development of specific antibodies as a clinical treatment for addiction.

SourceAmerican Chemical Society·JournalJournal of the American Chemical Society·DateMar 15, 2005

Risk of cardiac death after radiotherapy for breast cancer has declined, study finds

A study found that women with left-sided breast cancer had a higher risk of death from ischemic heart disease after radiation therapy, but this increased risk declined over time. Advances in radiation techniques have reduced the dose to the heart, resulting in lower mortality rates among women diagnosed with right-sided breast cancer.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateMar 15, 2005
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.

Purdue finding could help develop clean energy technology

The Purdue team used a unique method to study the oxidation of methane on a palladium catalyst, revealing that the rate is always the same regardless of the surface exposed. This breakthrough could lead to more efficient catalytic combustion technology, reducing pollution and improving energy efficiency.

SourcePurdue University·DateMar 15, 2005

Aspirin's potential ability to prevent colon polyps may not apply equally to all

A recent study found that aspirin may help prevent colon polyps in individuals with variant forms of the UGT1A6 enzyme. However, for those without this variant, the benefit was not significant. The researchers suggest that persistent aspirin levels could lead to increased bleeding risks.

SourceMassachusetts General Hospital·JournalJNCI Journal of the National Cancer Institute·DateMar 15, 2005

Iron exporter revealed that may explain common human disorder

Researchers at Children's Hospital Boston and Harvard Medical School found that ferroportin is the major iron exporter in key sites of absorption and release. This protein's loss of control may lead to excessive iron accumulation in tissues, causing hereditary disease hemochromatosis.

SourceCell Press·JournalCell Metabolism·DateMar 15, 2005

Helping answer needs by developing specialists in autism

The Indiana University Christian Sarkine Autism Treatment Center has launched a new program to train teachers to support children with autism. The program, called HANDS in Autism, will provide intensive training for educators and other staff members in local school districts.

SourceIndiana University·DateMar 15, 2005
Apple iPhone 17 Pro

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

Defensins neutralize anthrax toxin

Max Planck scientists have developed a novel therapeutic strategy against anthrax using defensins. These molecules can neutralize the lethal toxin of anthrax bacilli, preventing its deadly effect and protecting against fatal consequences.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateMar 15, 2005

Reducing hostility in young coronary artery disease patients is important piece of rehabilitation

A study found that young coronary artery disease patients have a high prevalence of hostility symptoms, with improvements in risk factors and quality of life seen after cardiac rehabilitation. The researchers suggest that reducing hostility should be emphasized in rehabilitation following a heart attack to improve long-term prognosis.

SourceMayo Clinic·JournalMayo Clinic Proceedings·DateMar 14, 2005
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.

Teen tooth trauma prevalent in Ontario

A recent study by the University of Toronto found that nearly one in five teenagers in Ontario have evidence of tooth damage. The study also revealed that youth with cavities are more likely to experience tooth injuries.

SourceUniversity of Toronto·DateMar 14, 2005

Inflammatory condition doubles heart attack, stroke risk

A new study published in Heart found that individuals with giant cell arteritis (GCA) have a significantly higher risk of cardiovascular disease compared to healthy adults. The prevalence of GCA is estimated at one per every 500 seniors, and patients with this condition are more than twice as likely to experience heart attacks or strokes.

SourceUniversity of Toronto·JournalHeart·DateMar 14, 2005

Nature helps create religious adults

A study on twin pairs found that environmental influences play a role in shaping religiousness during childhood, but a stronger genetic influence emerges in adulthood. Like other personality traits, adult religiousness is heritable, indicating that an individual's faith can be influenced by their genetic makeup.

SourceBlackwell Publishing Ltd.·JournalJournal of Personality·DateMar 14, 2005
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.

Brain imaging studies investigate pain reduction by hypnosis

Researchers used fMRI to study brain activity under hypnosis for pain suppression, finding reduced activity in pain network areas and increased activity in other regions. This suggests that hypnosis blocks the pain signal from reaching the brain's perception centers.

SourceUniversity of Iowa·JournalRegional Anesthesia & Pain Medicine·DateMar 14, 2005

New drug shows promise as powerful anticancer agent

Researchers discover ON01910, a non-ATP-competitive small molecule inhibitor of Plk1, arrests cell division in human cancer cells and inhibits a variety of tumors. Clinical studies are currently underway to determine the best way to utilize this potent anticancer agent.

SourceCell Press·JournalCancer Cell·DateMar 14, 2005

Gray wolves maintain the food chain in winter

A new study from PLOS Biology shows that reintroduced gray wolves in Yellowstone Park provide a crucial safety net for scavengers during climate change. Wolf kills temper the devastating effects of climate-related carrion shortages on scavengers.

SourcePLOS·JournalPLOS Biology·DateMar 14, 2005

Heart repair gets new muscle

Researchers have discovered that skeletal precursors of cardiomyocytes (Spoc cells) can transform into beating cardiac muscle cells, offering hope for developing cell-based treatments for heart disease. These cells were isolated from adult mice and showed spontaneous rhythmic beating and expressed cardiac markers.

SourcePLOS·JournalPLOS Biology·DateMar 14, 2005
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.

New study shows how very low-carb diets take off the pounds

A new study published in Annals of Internal Medicine found that obese patients with type 2 diabetes who followed a very low-carbohydrate diet lost significant amounts of weight. The participants consumed fewer calories on the low-carb diet, resulting in improved blood sugar levels and reduced triglycerides and cholesterol levels.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateMar 14, 2005

Postmenopausal breast cancer survivors at increased risk for bone fractures

Researchers found that postmenopausal breast cancer survivors have a higher risk of bone fractures, with 68.6 excess fractures per 10,000 person-years compared to the general population. The study also identified factors associated with increased fracture risk, including age, ethnicity, and depression.

SourceJAMA Network·JournalArchives of Internal Medicine·DateMar 14, 2005

Rhesus monkeys reason about perspectives of others in obtaining food

Researchers at Yale University found that rhesus monkeys only took grapes when they couldn't see the other person looking at them. This suggests that monkeys can reason about the mental states of others, including perception. The study's findings could provide insight into the causes of autism and social interactions.

SourceYale University·JournalCurrent Biology·DateMar 14, 2005
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.

Simple blood test may help to predict cardiovascular risk in older women

A study of postmenopausal women found that a high white blood cell count is associated with an increased risk of cardiovascular events and death. Women in the highest quartile had a doubled risk for coronary heart disease death, 40% higher risk for nonfatal heart attacks, and 50% higher risk for total mortality.

SourceJAMA Network·JournalArchives of Internal Medicine·DateMar 14, 2005

Annals of Internal Medicine tip sheet for March 15, 2005

A three-week study of ten obese volunteers with mild type 2 diabetes mellitus found that a very low-carbohydrate diet led to an average weight loss of 3.6 pounds, primarily due to reduced calorie intake rather than loss of body fluid or increased metabolism. The results suggest that carbohydrate restriction may stimulate excessive appe...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateMar 14, 2005

Tumor individuality useful for guiding rational chemotherapeutic decisions

Researchers discovered BIM accumulation is crucial for paclitaxel-induced apoptosis, while H-ras/MAPK pathway suppresses it. Cotreatment with proteosome inhibitors restored BIM accumulation, enabling tumor regression. This study highlights the importance of understanding signaling mechanisms to guide rational combination therapy.

SourceCell Press·JournalCancer Cell·DateMar 14, 2005
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.

Florida Tech scientist earns $1.7 million NSF grant

A Florida Tech scientist has received a $1.7 million NSF grant to develop an integrated science teaching enhancement partnership, which will help design and pilot learning modules linking earth science, biology, chemistry, and physics

SourceFlorida Institute of Technology·DateMar 14, 2005

Temple University researchers develop new targeted cancer therapy

Researchers at Temple University have developed a new targeted cancer therapy called ON01910, which inhibits Plk1 activity and shows promise in treating advanced and metastatic cancers. The compound has been shown to block tumor cell invasion, angiogenesis, and induce tumor cell death.

SourceTemple University·JournalCancer Cell·DateMar 14, 2005
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.

Effects of education level on rates of obesity differ by race

Research suggests education level has no observable benefit on BMI for African-American women, despite their high rates of obesity and related illnesses. Prevention efforts should begin in adolescence or early adulthood to address this disparity.

SourceJAMA Network·JournalArchives of Internal Medicine·DateMar 14, 2005