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Science News Archive March 2009


Page 11 of 26

Internet can warn of ecological changes

Researchers explore using web crawlers to mine informal web-based sources for ecosystem monitoring, providing early warnings of potential ecological disasters. The Internet may contain information on drivers of change, such as global seafood markets, which can help avoid abrupt ecosystem collapse.

Optimum running speed is stride toward understanding human body form

A new study published in the Journal of Human Evolution shows that human running efficiency changes with speed and has an optimal pace for covering distance with least effort. The most efficient running speed averaged around 8.3 miles per hour for males and 6.5 miles per hour for females.

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.

Naltrexone can help heavy social drinkers quit smoking

A new study found that naltrexone significantly decreases heavy drinking rates in smokers enrolled in smoking cessation, with the heaviest drinkers benefiting the most. The medication's potential benefits for co-use of nicotine and alcohol may provide a helpful addition to standard quitting programs.

Timing of children's vaccinations varies widely between and within countries

A study of nearly 218,000 children across 45 low-income and middle-income countries found significant delays in vaccination timing, with some countries experiencing delays of over 10 weeks for certain vaccines. The study highlights the need for improved vaccine coverage and timeliness to protect children from preventable diseases.

MIT: Blocked enzyme reverses schizophrenia-like symptoms

A study by MIT researchers found that inhibiting a key brain enzyme in mice reversed schizophrenia-like symptoms, offering potential new drug treatments. The discovery provides insight into the DISC1 gene's role in regulating GSK3B activity and its impact on neural stem cells.

Apple iPhone 17 Pro

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

Celestron NexStar 8SE Computerized Telescope

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

Epigenetic mark guides stem cells toward their destiny

Scientists at Rockefeller University have uncovered a gene control mechanism that guides epidermal skin stem cells in mouse embryos, tempering the development of the skin barrier. The findings provide insights into therapeutic advances for prematurely born infants with underdeveloped skin.

A paradigm shift in immune response regulation

Scientists at Goethe University report a paradigm shift in immune response regulation, revealing the crucial role of linear ubiquitin chains in nuclear factor kappa B activation. This finding may lead to structure-based drug design for targeting the NF-κB pathway in diseases such as cancer and inflammation.

Premature newborns lack 'death NET' to fight sepsis

Researchers discovered that premature newborns lack the ability to form a 'death NET', a crucial white blood cell trap that kills bacteria. This defect may contribute to severe infections like sepsis and pneumonia in preterm babies, highlighting the need for new treatments.

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.

Half of Utahns with autism lead fulfilling lives, follow-up study shows

A follow-up study published in the Journal of Autism Research found that 41 Utahns with autism had a higher social outcome than similar studies, with 24% having a very good social outcome. The study suggests that early intervention and strong social networks may play a role in determining social outcomes for individuals with autism.

When intestinal bacteria go surfing

Researchers at HZI have identified a molecular signal pathway that enables E. coli bacteria to adhere to host cells and form pedestals, allowing them to reproduce on the cell surface without being flushed from the intestine. The discovery sheds light on how pathogenic bacteria develop complex processes in the host.

No small measure: Origins of nanorod diameter discovered

A new study at Rensselaer Polytechnic Institute identifies the fundamental reasons behind nanorod diameter, demonstrating a diameter of approximately 100 nanometers. The researchers found that cooperation and competition among various atomic transport mechanisms hold the key to this size.

Gordon Brown must ensure G20 do not forget the world's poorest people

The Lancet Editorial calls on UK PM Gordon Brown to lead strong and just leadership at the G20 summit, ensuring poorer countries are not left out of global solutions. The Editorial suggests several proposals to aid Brown, including detailed IMF voting rights proposals and a plan to end illegal flight capital.

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.

Scots and Irish at greater risk of drink-related death, study shows

A study by the University of Edinburgh found that Scotland and Ireland have twice the rate of alcohol-related deaths compared to the rest of England and Wales. Men born in India showed similar rates of alcohol-related death as Scottish- and Irish-born people, highlighting cultural differences in drinking habits.

'Less is more' when it comes to treating high blood pressure

A new study published in Hypertension journal recommends a simplified method of treating hypertension using low doses of single pill combinations, which has shown to be more effective and easier for patients than traditional treatment methods. The 'Simplified Treatment Intervention to Control Hypertension' (STITCH) study found that pat...

Mice stay lean with high-carb diet

Researchers at UC Berkeley discovered a gene, DNA-PK, that plays a critical regulatory role in converting dietary carbohydrates to fat. The study found that disabling this gene in mice resulted in lower levels of body fat despite a high-carb diet.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

New material could help cut future energy losses

Scientists have developed a new material from carbon60 that can transmit electricity at high temperatures, reducing future energy losses. The discovery could lead to more efficient power transmission and storage, enabling widespread adoption of renewable energy sources.

Majority of fire and ambulance recruits overweight

A study found that more than 75% of fire and ambulance recruits in Massachusetts are either overweight or obese, compromising their ability to perform strenuous duties. The researchers associated excess weight with higher blood pressures, worse metabolic profiles, and lower exercise tolerance.

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.

Stanford study improves insights into Parkinson's disease and possible treatments

A Stanford study found that stimulating neural wires rather than cells in the subthalamic nucleus can improve Parkinson's symptoms, offering new insights into the disease and possible treatments. The researchers used optogenetics to activate specific types of cells in rodents, revealing a key role for axons in transmitting signals.

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.

Genetic irregularities linked to higher risk of COPD among smokers

Scientists at Duke University Medical Center have discovered two genetic markers that significantly increase the risk of developing chronic obstructive pulmonary disease (COPD) in smokers. These variants, located near a nicotine receptor, may be reduced by quitting smoking before COPD symptoms appear.

Genetic clues hold key to schizophrenia treatment

A study by the University of Edinburgh found a gene called DISC1 may control how patients respond to psychiatric medication, offering a potential breakthrough in treating mental illnesses. The research identified seven proteins important to mental illness development, aiming to create new medicines targeting these proteins.

Yeast biology yields insights into human knowledge expansion

Researchers analyzed three decades of yeast studies to find exponential growth in scientific understanding and productivity trends. They discovered that scientists tend to focus on familiar genes and study important genes before less influential 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.

TB vaccine developed at McMaster University in Canada

Researchers at McMaster University are launching Canada's first tuberculosis (TB) vaccine clinical trial with a vaccine designed, manufactured and tested within the university. The phase 1 clinical trial will evaluate the safety of the new vaccine and assess immune responses in healthy volunteers.

Fetal alcohol syndrome testing expands

A Queen's University study has expanded eye-movement tests to identify children with Fetal Alcohol Spectrum Disorder (FASD) in community settings, with over 200 children tested across Ontario and Alberta. The breakthrough will add eye movement testing to standard clinical assessment protocols.

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.

Scientists trial device to treat chemotherapy-related nausea

A national study of over 700 patients will measure the cost and clinical effectiveness of acupressure wrist bands in reducing chemotherapy-related nausea. The device aims to provide a drug-free alternative for a debilitating symptom that affects quality of life, social life, and mental health.

Pitt vaccine to prevent colon cancer being tested in patients

A new vaccine is being tested to prevent colon cancer by stimulating an immune response against the MUC1 protein in precancerous growths. The vaccine has shown promise in generating an immune response despite weakened immune systems, suggesting it may stop polyps from transforming into malignant tumors.

New study finds hospital practices strongly impact breastfeeding rates

A new study by Boston University researchers found that hospital practices significantly influence the success of exclusive breastfeeding among mothers. Among first-time mothers, only 50% achieved their intention to exclusively breastfeed within one week, with supplementation being a major barrier. The study emphasizes the importance o...

Compound is key coordinator of clock and metabolism

A study by Northwestern University researchers discovered the circadian clock genes strongly regulate NAD production, a critical cofactor involved in energy utilization. This discovery sheds light on how aging, metabolism, and the circadian clock are interconnected.

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.

Earth's crust melts easier than previously thought

Researchers at the University of Missouri found that rocks become better insulators and poorer conductors as they heat up, triggering crustal melting. This finding provides new insights into how magmas are formed and will lead to more accurate models of continental collision and mountain belt formation.

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.

Scientists closer to understanding how to control high blood sugar

Researchers at the University of Michigan discovered that protein TBC1D1 plays a crucial role in glucose transport into muscle cells after exercise. This finding could lead to new drug therapies or more effective exercise protocols for preventing Type 2 diabetes and other health problems associated with high blood sugar.

Changing the price of foods may significantly affect Americans' weight

Research suggests that pricing interventions, such as taxes on unhealthy foods and subsidies for healthy options, can lead to lower body weights and reduced obesity rates. These policies are most effective in reducing weight disparities among vulnerable populations, including children, adolescents, and low-income individuals.

West Antarctic ice comes and goes, rapidly

Researchers modeled West Antarctic ice sheet's past movements and found it collapsed and regrew multiple times due to ocean warming. The study uses deep sea oxygen isotope ratios to deduce Antarctic temperature changes and suggests the ice sheet may collapse if ocean temperatures warm sufficiently.

Particle oddball surprises CDF physicists at Fermilab

Scientists at Fermilab's CDF experiment have found evidence of a new, unusual particle called Y(4140), which challenges our understanding of quark combinations. The particle decays into J/psi and phi particles, suggesting a possible composition of charm and anticharm quarks.

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.

Study finds how brain remembers single events

A recent study by UC Irvine researchers found that brief experiences activate neurons and genes associated with memory as effectively as repetitive activities. This discovery can help scientists design better therapies for diseases such as Alzheimer's, which impair the ability to form memories.

Symposium to look at genetic basis of exercise

Researchers studying the genetics of exercise have identified about 200 genes that play a role in adapting to physical activity. These genes may hold the key to understanding muscle diseases such as muscular dystrophy, and could lead to new treatments for individuals with limited genetic ability to adapt.