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Science News Archive 2005


Page 132 of 165

Scientist works on innovative treatments for brain tumors

Dr. Waldemar Debinski has developed a novel treatment approach for glioblastoma, the most aggressive form of brain cancer, by targeting specific receptors on cancer cells. The therapy combines a form of interleukin-13 with a toxin that kills cancer cells without damaging healthy tissue.

Increasing charge mobility in single molecular organic crystals

Researchers have identified materials with high charge mobility, crucial for flexible displays and electronic devices. By studying single crystal structures, scientists can now assess intrinsic electronic properties without external factors affecting results.

Apple iPhone 17 Pro

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

Research warns against sleeping in contact lenses

A study by the University of Manchester found that wearers who slept in hydrogel lenses were five times more likely to develop keratitis than those sleeping in silicone hydrogel lenses. Silicone hydrogels are now recommended as a safer option for extended wear.

Neutralizing a protein linked to tumor development

Aptamers may have therapeutic effects against cancer by blocking RET downstream signaling events. The study uses whole-cell SELEX to identify macromolecules with potential therapeutic effects against other transmembrane receptors involved in tumorigenesis.

Light may arise from relativity violations

Scientists propose that light's origin is tied to tiny violations of Einstein's relativity, which can be tested experimentally. This new view holds promise for alternative understanding of light's behavior in various environments, including empty space and gravitational fields.

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.

Simple intervention encourages sun protection behaviors

A simple intervention using UV filter photos increased sun protection during incidental exposure, with 37% of participants reporting sunless tanner use. The study also found that the intervention led to more friends and family being informed about UV damage and sun protection.

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.

New studies show mixed results on epilepsy drugs and birth defects

A study on lamotrigine found a 2.9% risk of birth defects, similar to the general population, while valproic acid had a 12.5% risk when used with other epilepsy drugs. Researchers emphasize the importance of controlling seizures and planning carefully to minimize risks during pregnancy.

Pushy parents can be bad for their children's health

A study found that 11 out of 23 children with severe abdominal pain improved after psychological support, highlighting the dangers of 'healthcare consumerism' when parents lack insight into their child's symptoms. The authors suggest that robust systems are needed to protect children and healthcare professionals from these effects.

New technique shows promise for improved straightening of crooked nose

A new technique using high-density porous polyethylene grafts has shown substantial improvement in straightening the middle third of the nose, even in cases with previous rhinoplasty. The procedure is safe, effective, and reliable, providing long-term stability and reducing future scar contracture or trauma.

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.

Big hopes for tiny, new hydrogen storage material

Researchers at PNNL have developed a new solid chemical material that can release hydrogen almost 100 times faster than conventional methods. The nanophase material achieves this high rate of hydrogen release at a lower temperature, making it an attractive option for sustainable hydrogen storage.

TEL2 gene cooperates with MYC gene to provoke B-cell lymphomas

The TEL2 gene cooperates with MYC to increase the risk of precancerous B lymphocytes becoming cancerous. This cooperation leads to a mutation inactivating p53, allowing abnormal cells to multiply uncontrollably. The study suggests that TEL2 should be considered a diagnostic marker and/or a target for novel drugs to treat B-cell lymphoma.

Influenza vaccine uses insect cells to speed development

A new influenza vaccine developed using insect cells can produce a strong immune response in humans and may be scaled up for commercial manufacture. This rapid method uses a purified concentration of hemagglutinin to elicit an immune response against specific flu strains.

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.

Traffic fumes damage DNA

A study of 47 female motorway toll-booth operators and 27 office workers found that exposure to traffic exhausts caused significant DNA damage, as indicated by elevated levels of urinary 8-OHdG. The researchers conclude that environmental levels should be curbed to protect people's health.

Welfare-to-work reform didn't help children, study shows

A new University of Alberta study confirms that pre-school children living in poverty do not benefit from welfare-to-work reforms. The study found that family environment scores for low-income families were worse than for non-poor families, and that low income still had an independent effect on the children's school readiness.

Donor age has no affect on long-term liver transplant survival

A study of liver transplant patients with hepatitis C found that donor age does not impact long-term survival rates. Instead, maintenance azathioprine was associated with improved overall and 3-month survival rates, suggesting a complex relationship between immunosuppression and disease progression.

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.

ICPB locks in license to improve plastics with corn

Researchers at PNNL have developed a process to convert corn into isosorbide, which can improve the properties of plastic materials. The technology has the potential to reduce the amount of petroleum necessary to make plastics and create new jobs for rural economies.

Mice with defective sperm offer clues to infertility in men

Scientists at Rockefeller University have discovered a key event in the maturation of sperm that is extremely sensitive and could be targeted to improve fertility or develop a male contraceptive. The research found that mice missing a gene called Septin 4 are sterile, with sperm defects similar to human conditions like 'droplet sperm',

Food preservative neutralizes anthrax spores

Researchers have found that nisin can effectively neutralize both anthrax and Bacillus cereus spores. The natural antimicrobial peptide has been shown to remain dormant on treated spores, preventing germination and disease in mice. Further development of nisin-based formulations for human skin decontamination is underway.

New generation contact lenses cut risk of severe eye infection

A year-long study found that new generation silicone hydrogel lenses significantly reduce the risk of severe keratitis, a type of eye infection. Those wearing traditional hydrogel lenses were five times more likely to develop severe keratitis when sleeping in their lenses.

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.

Love at first … smell

A study by Cardiff University found that males with attractive body odor produce peptides that increase their sexual attractiveness to females. The research suggests that smell plays a crucial role in choosing a partner, particularly for humans and fish, and may be linked to immune genes.

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.

Storage time and temperature effects nutrients in spinach

Researchers found that storing spinach at 39 degrees Fahrenheit slows down nutrient loss compared to warmer temperatures. The study's findings have implications for the shipping process, where produce is often kept at warm temperatures for extended periods.

Scientists discover how fish evolved to float at different sea depths

Researchers have discovered how modern fish, such as pike and cod, developed a way to float at different water levels by inflating their swimbladders with gas. This is made possible by a complex system of arteries, veins, and special blood proteins that drive oxygen into the swimbladder.

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.

College alcohol problems exceed previous estimates

The study found that excessive drinking among college students poses significant harm, with over 500,000 unintentional injuries and 600,000 assaults reported in 2001. The researchers propose strategies to reduce college drinking and associated harm, including increased enforcement of underage drinking laws and screening programs.

Eating seafood that contains toxic substances can affect the nervous system

Eating seafood containing toxic substances like tetrodotoxin and ciguatera can cause severe neurological effects. Shellfish poisoning is a common type of food-borne illness affecting the USA with symptoms including numbness, slurred speech, and paralysis. Prevention is key to avoiding life-threatening poisoning.

Genomic analysis to become tool for studying trauma patients

Researchers created a genomic analysis tool to study critically ill patients, enabling physicians to predict treatment responses and develop new therapeutic strategies. The technology allows for the detection of significant gene activity differences between trauma patients and healthy individuals.

Celestron NexStar 8SE Computerized Telescope

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

'Hourglass' shaped craters filled traces of glacier

Scientists analyze Mars Express images to find evidence of ancient glaciers, including flow features and glacial moraines. The study suggests a significant climate change on Mars within the last million years, which could be caused by a shift in the polar axis.

The European Society of Cardiology launches Women at Heart

The European Society of Cardiology has launched a new initiative called Women at Heart to improve the handling of women with cardiovascular disease. The initiative aims to highlight the growing burden and under-appreciation of women's heart disease, and promote better understanding and treatment among medical professionals.

Elizabeth Blackburn and Janet Rowley awarded

Researchers Elizabeth Blackburn and Janet Rowley have been awarded the Landon-AACR Prizes for Basic and Translational Cancer Research. Their work has led to a deeper understanding of telomeres, enzymes that play a role in cancer growth.

Highlights of chemical society national meeting in San Diego, March 13-17

The American Chemical Society's national meeting showcased groundbreaking research on various topics, including an antioxidant mixture that may prevent skin cancer, genetically engineered bacteria for mass-producing antibiotics, and novel gene therapy vectors to combat chronic pain and brain cancer. Researchers also discovered a potent...

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.

Red wine protects the heart

Research suggests that moderate red wine consumption (2-3 ounces per day) may have beneficial cardiovascular effects due to its high content of polyphenols. Polyphenols are also found in berries, green tea, and chocolate and can help prevent cell deterioration, plaque buildup, and blood clotting.

Men with severe sleep breathing disorder have higher risk of heart problems

A large study found that untreated severe sleep breathing disorder, also known as obstructive sleep apnoea-hypopnoea, significantly increases the risk of fatal and non-fatal cardiovascular events in men. Effective treatment with CPAP reduces this risk. Simple snoring is not a significant cardiovascular risk factor.

Climate change inevitable in 21st century

A new study quantifies the committed climate change in the 21st century, predicting a half-degree Celsius global temperature rise and over 11 centimeters of sea level rise by 2100. The warming is driven by thermal inertia from oceans and existing greenhouse gases.

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.

Public policy should address the social factors behind ill health

The World Health Organization is launching an independent Commission on Social Determinants of Health to review evidence and recommend policies to improve health globally. The commission aims to address the social factors that contribute to ill health, including poverty, education, housing, and economics.

Diagnostic test for range of blood disorders on the horizon

A new diagnostic test is being developed to target a range of blood disorders by detecting a single point mutation in the JAK2 gene. The mutation was found in virtually all patients with polycythaemia vera, as well as half of those with essential thrombocythaemia and idiopathic myelofibrosis.

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.

Medically supervised drug injection facilities safer for users

A study of 431 injection drug users found that medically supervised safer injection facilities reduced syringe sharing, particularly among younger users and those who binge-drug. The findings suggest that such facilities can play a role in reducing harms caused by injecting drug use.

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.