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Science News Archive June 2008


Page 16 of 21

Climate change hastens extinction in Madagascar's reptiles and amphibians

Research from the American Museum of Natural History shows that global warming is causing species in Madagascar's mountainous north to move up tropical mountains as their habitats shift upward. The study found an average shift of 19-51 meters over a decade, linked to temperature increases of 0.1°C to 0.37°C.

Prejudice or perception? New U of T research

Researchers found that individuals who expect to be treated with prejudice are more likely to perceive rejection and contempt on faces expressing similar emotions. This study highlights the importance of considering both sides' expectations and perceptions in improving communications between diverse populations.

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.

Elsevier launches Bioscience Hypotheses

Bioscience Hypotheses is a new journal focused on stimulating innovation through radical hypotheses. The journal aims to publish papers that deliver new insight into biology and provide testable conclusions.

Apple iPhone 17 Pro

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

New catfish species named for museum mail supervisor

A new species of catfish, Rhinodoras gallagheri, has been named in honor of Frank Gallagher, a retired Academy of Natural Sciences mailroom supervisor. The Orinoco thicklip catfish was discovered in the Academy's collection and is found in the Orinoco basin in Venezuela and Colombia.

Potential biomarkers for pancreatic cancer identified

Researchers from Fred Hutchinson Cancer Research Center identified five proteins that may be useful tools in detecting early-stage pancreatic tumors. The panel of proteins discriminated between pancreatic cancer cases and controls in blood specimens, suggesting a potential role in early detection.

Prevent a bone break, drink milk to boost calcium

A four-year study found that adults who took a daily calcium supplement experienced significantly fewer bone fractures than those who received a placebo. Maintaining calcium intake is crucial to sustain benefits, but the effects disappeared after four years.

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.

'Report cards' don't reflect preventable bypass deaths

A review of heart bypass patients in Ontario hospitals found that 111 deaths (32%) might have been prevented with better care. Many preventable deaths were related to lapses in established procedures, highlighting the need for quality improvement initiatives.

Arsenic and new rice

Researchers have discovered a family of transporters called NIPs that can move arsenite across plant cell membranes, reducing toxic arsenic content. The findings suggest that some NIPs can even clear cells of toxic arsenite, potentially enabling plant detoxification.

Children with depressive, anxiety disorders have more sleep problems

Research reveals that children with depressive and anxiety disorders are more likely to suffer from sleep problems, including difficulty falling asleep, insomnia, and fragmented sleep patterns. The study highlights the importance of addressing sleep patterns in conjunction with emotional disorders for effective care and treatment.

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.

TB treatment for the elderly likely requires a boost to immune response

Researchers suggest that increasing white blood cell count or enhancing infected cells' interaction with the immune system could be effective strategies for developing vaccines or treatments specifically for elderly TB patients. Aging affects the immune response, leading to a slower and less effective fight against the infection.

Microenvironment a main driver of aggressive multi-lineage leukemia disease type

Scientists at Cincinnati Children's Hospital Medical Center have discovered that the microenvironment of blood-forming tissues plays a critical role in promoting leukemia progression and determining disease type in mixed lineage leukemias (MLL). The study, which used human-based MLL models in mice, suggests that disrupting the protein ...

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.

Stem cell discovery sheds light on placenta development

Scientists have uncovered a cellular signaling mechanism that determines whether an embryo develops into an embryo or a placenta. By manipulating a specific gene, they were able to cause embryonic stem cells to differentiate into trophoblastic stem cells, which give rise to the placenta.

USC study shows belly fat may affect liver function

A study by the University of Southern California suggests that abdominal fat releases lipids directly to the liver at night, leading to insulin resistance and increasing the risk of type 2 diabetes. The findings highlight the importance of abdominal obesity in the pathogenesis of the disease.

Study finds Chinese food good for your heart

A multicenter, randomized, double-blind study found that Chinese red yeast rice reduced the risk of repeat heart attacks and cardiovascular mortality by one-third. The study showed a significant reduction in cancer mortality as well.

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.

Video game technology may help surgeons operate on beating hearts

Pediatric cardiac surgeons used stereoscopic glasses to visualize the heart in real-time during surgeries, resulting in improved accuracy and speed. The new technique showed a 44% reduction in time spent on anchor placement compared to traditional 3D ultrasound guidance.

Excessive mobile phone use affects sleep in teens

Teenagers who excessively use their cell phones are more prone to disrupted sleep, restlessness, stress, and fatigue. The study found that young people with excessive mobile phone use behave like larks rather than owls, suggesting a delayed biological clock. It is recommended that adolescents get nine hours of nightly sleep.

Beyond Traditional Borders sends more Rice U. undergrads to Africa

Beyond Traditional Borders, a global health program at Rice University, is sending 17 students to Africa, the Caribbean, and Central America to tackle health issues such as HIV/AIDS. The interns will work in schools, clinics, hospitals, and town councils using education and technology to solve problems.

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.

Tell me by the way I walk

Researchers in India have developed a comprehensive framework for gait recognition by computer, using statistical analysis and height measurements to classify individuals. The system can identify threats from a considerable distance, giving personnel more time to react before a suspect becomes a real threat.

UVA researchers make pivotal breakthrough in alcohol addiction treatment

Topiramate effectively decreases heavy drinking and associated physical and psychosocial harm, including lower blood pressure and improved liver function. The medication also shows promise in reducing the risk of heart disease and improving overall quality of life for alcohol-dependent individuals.

News tips from ACS Nano

New research from ACS Nano explores innovative applications of nanotechnology, such as increasing power conversion efficiencies in solar cells and targeting nanoparticles for gene delivery. The journal also discusses rapid toxicity evaluation methods and the use of nanotubes with nanomotors to enhance speed.

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.

Socioeconomic factors predict CPAP adherence

A study found that higher neighborhood socioeconomic factors and social support are associated with better continuous positive airway pressure (CPAP) adherence. Patients from disadvantaged neighborhoods spent less time using their CPAP machines, highlighting the need to address challenges in accessing effective treatment.

Good dental hygiene may help prevent heart infection

A study of 290 dental patients found bacteria in the blood after tooth brushing and extractions, but with lower incidence than expected. The researchers suggest that good oral hygiene can reduce the risk of heart valve infection by reducing gingival disease and bacterial species associated with IE.

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.

Gene variation linked to earlier onset of Alzheimer's symptoms

Researchers identified a genetic variation associated with an earlier age of onset in Alzheimer's disease, which affects the brain's tau protein levels. The study suggests that these variations lead to higher tau levels in cerebrospinal fluid and earlier cognitive problems once amyloid plaques form.

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.

Novel therapeutic strategy for colon cancer treatment

Researchers at A*STAR have discovered a novel approach to kill colon cancer cells using a genetic regulator called DACT3. The team developed a pharmacological strategy to restore DACT3 expression, leading to effective inhibition of Wnt/β-catenin signaling and massive death of colon cancer cells.

Poor sleep a problem in long-term breast cancer survivors

A study of 246 long-term breast cancer survivors found that poor sleep is a significant problem for many women, with hot flashes, physical functioning, and depressive symptoms being key predictors. The American Academy of Sleep Medicine recommends getting between seven and eight hours of nightly sleep to enhance overall quality of life.

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.

Study identifies brain pathway that shuts down seizures

Researchers at the University of Iowa have identified a brain pathway that reacts to low pH levels, shutting down seizure activity. The study reveals that an acid-activated ion channel, ASIC1a, plays a crucial role in terminating seizures, providing new insights into the condition and potential therapeutic approaches.

Caution on stem cell therapy

Researchers discover at least one or two additional types of adult stem cells beyond Bmi1-expressing cells, found primarily in the upper third of the intestine. This finding complicates stem cell therapy for diseases such as Parkinson's and heart disease, requiring recognition of organ-specific stem cell complexity.

Surprising graphene

Researchers measured graphene's properties with unprecedented accuracy, confirming its unusual features and revealing significant departures from theoretical predictions. The results point to novel practical applications in nanoscale electronics.

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.

Origins of the brain

New research explores the evolutionary origins of the brain, shedding light on how complex synapse structures drove brain evolution. The study finds that sophisticated molecular processing of nerve impulses was key to developing animals with more complex behaviors.

Diet prior to pregnancy determines sheep's gender

Research shows that ewes fed a diet enriched with polyunsaturated fats have a significantly higher chance of giving birth to male offspring. This finding suggests that dietary composition around conception can influence sex ratio in farm species.

AcademyHealth honors leading health services researchers

The four award winners – David Blumenthal, Ashish Jha, Ming Tai-Seale, and J. Michael McWilliams – have made groundbreaking research in areas such as health information technology, quality management, and access to healthcare services. AcademyHealth's awards promote the sharing of perspectives and strengthening of working relationships...

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 pathogen from pigs' stomach ulcers

Scientists have isolated a new bacterium, Helicobacter suis, in pigs' stomachs using a pioneering technique. The bacterium is associated with stomach ulcers in pigs, which may cause sudden death, and has been linked to an increased risk of infection in humans who are close to the animals.