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Science News Archive April 2010


Page 1 of 24

Thuricin CD tested as specific antibiotic for Clostridium difficile

A naturally occurring micro-organism has been found to directly target the bacteria that causes a sometimes deadly intestinal disease. Thuricin CD, produced by Bacillus thuringiensis, is a promising specific antibiotic treatment for Clostridium difficile in both in vitro and animal studies.

First symptoms of psychosis evident in 12-year-olds

A study of British 12-year-olds found nearly 6 percent exhibiting at least one symptom of psychosis, including hallucinations and delusions. The children shared similar risk factors with adult schizophrenia, such as genetic and social risks.

MSU students gain research experience through plant genomics program

The National Science Foundation has awarded Michigan State University a $282,606 grant to fund a 10-week summer research program in plant genomics. Undergraduate students will participate in research projects alongside internationally respected scientists, gaining hands-on experience and developing research skills.

Apple iPhone 17 Pro

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

Blood test may identify lung cancer patients likely to respond to erlotinib

A new blood test has been found to identify patients with advanced non-small-cell lung cancer who are more likely to respond to erlotinib treatment. The test, which analyzes specific 'fingerprints' of a protein called EGFR, showed a significant response rate in patients with good proteomic profiles compared to those with poor profiles.

Global glaciation snowballed into giant change in carbon cycle

Researchers found a large shift in the carbon cycle during the Cryogenian period, which may have been triggered by the Sturtian glaciation. The disturbance could have led to the accumulation of organic carbon in the ocean and had far-reaching effects on Earth's climate.

Biochemist unlocks gene's role in breast-tumor growth

Dr. William Muller's research reveals how a particular gene regulates epithelial cells, leading to the loss of polarity and contributing to breast tumor formation. Reintroducing the gene into tumors shows promise in restoring polarity, suggesting new avenues for cancer treatment.

Self-help -- tumors promote their own metastasis

Researchers found that tumor-secreted exosomes increase myeloid-derived suppressor cells, inhibiting immune activation and accelerating tumor metastasis. The study identified the role of MyD88 in this process, suggesting potential strategies to develop immune-stimulating tumor vaccines.

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.

Adult mortality trends reveal massive rise in global inequalities

The study reveals a significant increase in inequality in adult mortality, with men in Swaziland facing a nine-fold higher probability of premature death than Cyprus. The United States has fallen behind other countries in reducing deaths, ranking 49th for women and 45th for men by 2010.

Protein: A critical component of overall health

Research presented at Experimental Biology 2010 highlights the importance of high-quality protein foods for promoting health throughout life. Experts recommend consuming 25-30 grams of protein per meal to maintain muscle function and prevent diseases such as obesity, heart disease, and type 2 diabetes.

Celestron NexStar 8SE Computerized Telescope

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

ARS scientists study effects of grazing on grouse habitat

Agricultural Research Service scientists studied cattle grazing patterns to understand its effect on sagebrush communities and grouse habitats. They found that monitoring the rate of interspace tussock consumption can help preserve grouse habitat by allowing ranchers to move their grazing lands when 40% of these tussocks are consumed.

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.

Water-related conflicts set to escalate

The world's waters are facing increasing pressure due to population growth, urbanization, and pollution, threatening food production and water resources. The Mekong River Basin is a prime example of water-related conflicts escalating over access to hydropower production and its impact on local livelihoods.

Satellites, DNA and dolphins

Researchers used genetic data and oceanographic information from satellites to find two distinct populations of franciscanas in Argentina's coastal waters. The findings suggest that environmental factors, such as water temperature and turbidity, play a significant role in shaping population structure in marine animals.

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.

May 2010 Geology highlights

This study examines the correlation between end-Triassic mass extinction and flood basalt volcanism, as well as the effects of water depth on pumice formation in submarine domes. It also investigates the relationship between climatic conditions and soil erosion during the last glacial cycle.

Study: Roller coasters linked to common ear injury

A new study links roller coaster-induced acceleration to a common ear injury called barotrauma. The researchers recommend passengers remain facing forward during the ride to minimize exposure to pressure changes. Ear barotrauma can cause temporary hearing loss, dizziness, and discomfort.

European innovation tackles power cuts

A new Power Distribution Network Automation System (DINAS) has been developed to automatically locate and diagnose faults in distribution networks, restoring power supply instantly. The system uses advanced technology and algorithms to detect and isolate faults, reducing costs and response times for power companies.

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.

ASU mathematics educator receives NSF Career Award

Luis Saldanha, an ASU mathematics educator, has been awarded a $638,805 NSF Career Award to investigate the role of variability in teaching statistical thinking among middle school students. The research aims to improve instruction and make students more aware of statistics' importance in daily life.

Vitamin E effective for 'silent' liver disease

A new study published in the New England Journal of Medicine found that vitamin E improved features of nonalcoholic steatohepatitis (NASH), an obesity-related chronic liver disease. After 96 weeks of treatment, 43% of those treated with vitamin E met the primary endpoint compared to 19% of those who received a placebo.

Unmasking anthrax for immune destruction

Scientists have engineered Bacillus anthracis to produce higher-than-normal amounts of capsule depolymerase, releasing the protective capsule and leaving the bacterium vulnerable to detection and destruction by the immune system.

Fluke 87V Industrial Digital Multimeter

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

NASA satellite imagery keeping eye on the Gulf oil spill

NASA's Terra and Aqua satellites provide critical satellite images of the Gulf oil spill to NOAA, helping track its extent. The MODIS instrument on these satellites captured the spill's dimensions on April 26, showing a 600-square-mile area affected.

K-State scientist to receive $1 million CAREER award

Anna Whitfield, a Kansas State University plant pathologist, will receive a $1 million CAREER Award to study how viruses affect insect vectors. Her research may shed light on viruses that infect vertebrate animals as well as plants.

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.

Cochlear implants benefit elderly patients

A new study found that cochlear implants improve hearing for older adults with age-related hearing loss. However, the effectiveness of implants decreases with increasing age, highlighting the need to reassess implant criteria for elderly patients.

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.

Migratory behavior affects the size of brains in birds

Researchers found that migratory birds have smaller brains than resident birds, contrary to the protective brain theory. The study suggests that migrating reduces energetic and cognitive costs, making brain size an adaptation for survival.

Fluorescent compounds make tumors glow

Researchers have developed fluorescent compounds that can light up tumors as they begin to form, signaling their transition to aggressive cancers. These compounds, called fluorocoxibs, could be used for early tumor detection, monitoring cancer progression, and defining tumor margins during surgery.

Cancer risk for kidney transplant

A significant study found that no single immunosuppressive drug regimen increases the risk of cancer among kidney transplant patients. However, factors such as age and smoking history contribute to increased cancer risk.

Meta Quest 3 512GB

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

Embryonic stem cells reveal oncogene's secret growth formula

A new study in embryonic stem cells uncovered a transcription control mechanism that regulates expression of 80% of mammalian genes. The cancer-causing gene c-Myc plays a significant role in releasing transcriptional pausing, leading to hyper-proliferation characteristic of cancer cells.

China's busy blogosphere no harbinger of political freedom, open speech

A study by researchers at the University at Buffalo confirms that China's cyberculture is not conducive to political freedom and open speech. The growth of the Chinese blogosphere has actually facilitated the government's surveillance of its citizens, as it provides a vast amount of information on human behavior and preferences.

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 method reveals how individual nerve cells process visual input

Researchers have developed a novel microscopy method that allows for the observation of individual synapses and nerve contact sites in living mammalian brains. The study found that individual neurons integrate inputs from multiple synapses to produce a single output signal, making decisions by a single nerve cell.

Survey reports latest honey bee losses

A recent survey found that managed honey bee colonies nationwide experienced a 33.8% loss rate from October 2009 to April 2010, with starvation, poor weather, and weak colonies being the top reasons for mortality. The continued high losses pose an economic challenge for commercial beekeepers.

British Academy Wiley prize in psychology

Dr Essi Viding, a UK-based developmental psychologist, has been named the winner of the 2010 British Academy Wiley Prize. She was recognized for her outstanding contributions to the field of psychology, specifically her research on the causes of violent antisocial behaviour in children and adolescents.

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.

New HIV model suggests killer T cell for vaccine

A new HIV modeling system developed by Chinese researchers suggests that CD8+ T cells could be useful in developing an AIDS vaccine. The model incorporates random patterns in the virus' mutation and immune response, mirroring real-life clinical behavior.

Protein loss in the urine harmful for people with high blood pressure

Patients with hypertension who excrete slightly increased amounts of protein in the urine, known as microalbuminuria, have an elevated risk of developing heart and kidney problems. Microalbuminuria is associated with a higher risk of chronic kidney disease and cardiovascular complications in non-diabetic patients with hypertension.

How important is geographical isolation in speciation?

A genetic study of island lizards reveals they freely exchange genes, contradicting the prediction that geographical isolation would lead to separate species. The findings suggest ecological speciation due to differences in environmental conditions may play a crucial role in speciation.

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.

Genome sequence marks big leap forward for frog researchers

The Xenopus tropicalis genome has been nearly completely sequenced, providing a powerful model to study gene organization, regulation and function. The findings hold significant promise for improving human health by shedding light on the basic mechanisms of genetics.

Refined tools help pinpoint disease-causing genes

A new approach detects rare but powerful causal gene variants, accounting for significant proportions of the 'missing heritability' problem in common diseases. The technique may identify individual patients with specific mutations, enabling more meaningful diagnostic results and potential treatments.