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Science News Archive March 2005


Page 8 of 15

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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 ...

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.

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.

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.

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.

Liposome finding implies electrical effect on cell development

Researchers at Arizona State University found that liposomes form microtubules under low electric fields, which may have significant implications for cellular biology and nanotechnology. The discovery could lead to new methods for fabricating bionanotubes.

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.

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.

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.

Celestron NexStar 8SE Computerized Telescope

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

Scientists identify molecule that regulates well-known tumor suppressor

Researchers discovered that DJ-1 negatively regulates PTEN function, suggesting a potential link between high DJ-1 levels and enhanced cancer cell survival. Elevated DJ-1 levels were associated with poor prognosis in lung cancer patients and may serve as a prognostic marker for cancer patients.

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.

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.

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.

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.

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.

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...

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.

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

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.

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.

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.

Rutgers math, physics professor honored by APS for human rights activism

Rutgers Professor Joel Lebowitz is recognized for his tireless personal activism to secure basic freedoms and ensure scientists' ability to practice their professions openly. He has improved society's quality of life, demonstrated outstanding teaching, and led the quest for international human rights or peace.