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Science News Archive November 2009


Page 13 of 24

In touch with molecules

A team of European researchers has achieved the first experiment to study the electrical behavior of only two C60 molecules touching each other. The investigation revealed that the conductance between the two molecules is significantly lower than expected, with a controlable leakage current between neighboring circuits.

Apple iPhone 17 Pro

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

Faithful mothers have healthier babies

A study of over 2500 pregnant women found that those in long-term relationships with their biological fathers were less likely to develop pre-eclampsia and have undersized babies. Prolonged exposure to paternal antigens may induce tolerance in the maternal immune system, reducing the risk of these conditions.

Celestron NexStar 8SE Computerized Telescope

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

Ida now a coastal low assaulting the Mid-Atlantic

Ida has reformed as a powerful coastal low pressure system bringing heavy rainfall, strong winds, coastal erosion and tidal flooding to the Mid-Atlantic region. The system will continue to affect areas from North Carolina to New Jersey with significant flooding and high water expected

Hoping for a fluorescent basket case

A team of researchers has discovered the process by which new HIV virus particles are assembled at the membrane of infected cells and released to attack healthy cells nearby. The study, published in PLoS Pathogens, provides important insights into a crucial step in person-to-person transmission.

Nanotech in space: Rensselaer experiment to weather the trials of orbit

Researchers from Rensselaer Polytechnic Institute and the University of Florida have launched novel nanomaterials into space to test their wear resistance and conductivity. The materials, developed using advanced manufacturing techniques, are designed to perform better in extreme conditions, such as high temperatures and radiation.

New insights into the physiology of cockroaches

A study by scientists from the University of Valencia has shown that cockroaches eliminate excess nitrogen by excreting ammonia, unlike most terrestrial insects. The research suggests an evolutionary convergence between cockroaches and ants, arriving at similar metabolic solutions through their associations with endosymbionts.

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.

Cornell researchers identify a weak link in cancer cell armor

Researchers at Cornell University College of Veterinary Medicine have discovered that inactivating the Hus1 gene efficiently kills cells lacking p53, a gene mutated in most human cancers. The study provides an important new understanding of cancer cells and their weaknesses.

Doctors' tests often miss high blood pressure in kids with kidney disease

A study found that one-third of children with CKD have masked hypertension, which increases the risk of left ventricular hypertrophy and heart disease. Children with masked hypertension are four times more likely to develop LVH, highlighting the need for regular blood pressure monitoring outside the clinic.

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.

Doctors look after patients, but who is looking after doctors?

Emerging research highlights the link between poor doctor health and subpar patient care, with doctors often neglecting their own wellness. To address this issue, authors propose routinely measuring physician wellness as an indicator of healthcare system quality.

Dopamine enhances expectation of pleasure in humans

A new study from University College London finds that dopamine plays a significant role in shaping human expectations of pleasure, particularly when considering alternative options. The research suggests that dopamine signals the expected pleasure from future events, guiding decision-making.

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.

Funny, you don't look related

Researchers have solved the puzzle of how the Falkland Islands wolf, an extinct species, got to the islands. DNA analysis reveals that the closest relative is a South American dog species called the maned wolf and the bush dog.

Despite some benefit, drug ads can be harmful to your health

Researchers propose new guidelines for improved prescription drug ads, emphasizing clearer warnings about risks and accurate information about potential benefits. The study highlights the need for regulation of direct-to-consumer advertising to reduce harm and promote informed health choices.

New explanation for nature's hardiest life form

Researchers have made a breakthrough in understanding the molecular characteristics of bacterial spores, discovering that they have entirely different properties than previously thought. The findings suggest that changes in the physical properties of spore water may be crucial to their heat resistance.

Teens' mental health affects how long they stay in school, new study shows

A new study by Queen's and Yale researchers finds that poor mental health in children and teenagers is linked to shorter schooling duration. The findings suggest targeting inattentive symptoms like ADHD and depression for policy design and potentially large benefits from childhood and adolescent health interventions.

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.

More pain means real gain in complex regional pain syndrome treatment

A new study published in Clinical Rehabilitation found that patients with Complex Regional Pain Syndrome (CRPS) who underwent painful physiotherapy experienced significant improvements in physical function, while those who avoided painful treatment saw further loss of function. The study suggests a 'full on' approach to physiotherapy m...

LA BioMed to launch study of testosterone in older men

A large national study on testosterone's effectiveness will be conducted at LA BioMed, focusing on its impact on anemia, cardiovascular disease, and other health conditions in older men with low testosterone levels. The Testosterone Trial will involve 800 men across 12 sites, including LA BioMed, to evaluate the treatment's benefits.

A glimpse at the Earth's crust deep below the Atlantic

Oceanic core complexes are large elevated massifs formed along slow-spreading mid-ocean ridges. Research by Dr. Bram Murton and colleagues found that these complexes form during periods of reduced magma supply from volcanism, leading to suppressed or absent volcanism.

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.

Alberta's hidden valleys offer both resources and danger

Researchers have discovered hidden glacial valleys in Alberta that contain valuable resources, including loose rock and natural gas, posing risks of accidents and environmental damage. The valleys were found using a combination of seismic and electrical mapping data, highlighting the importance of advanced underground mapping practices.

Record high temperatures far outpace record lows across US

New research shows daily record high temperatures occurred twice as often as record lows over the last decade across the continental US. The study predicts that if emissions continue to climb, the U.S. ratio of daily record high to record low temperatures will increase dramatically.

Fluke 87V Industrial Digital Multimeter

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

Sweet as can be: How E. coli gets ahead

Researchers discovered that E. coli has a protein that recognizes the rarer furanose form of galactose, allowing it to exploit this additional nutrient source. This adaptation enables E. coli to grow faster and persist in the gut at the expense of other species.

Underground mine ventilation subject of study

A five-year NIOSH grant will fund a study on the effects of roof falls, bumps, or explosions on underground mine ventilation systems. The project aims to develop a method for remote characterization of ventilation controls using multiple tracer gases.

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.

No-entry zones for AIDS virus

Researchers at German Cancer Research Center find that HIV virus rarely integrates into genes with high transcription activity. This discovery could lead to the development of specific AIDS drugs targeting these 'cold spots', potentially offering a new approach to combat the virus.

Too much selenium can increase your cholesterol

A new study from the University of Warwick found that high levels of selenium are associated with increased cholesterol levels. The research team discovered a 10% increase in non-HDL cholesterol levels and an 8% total cholesterol level increase, which can lead to heart disease. The study highlights the importance of moderate selenium i...

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

The narrow line between love and jealousy

A new study at the University of Haifa found that oxytocin hormone boosts positive feelings but also increases envy and gloating in individuals with a negative association, highlighting the narrow line between love and jealousy.

The use of stem cells in regenerative medicine may also be detrimental for health

Researchers from the University of Granada and University of León found that human mononuclear cells isolated from umbilical cord blood exerted a deleterious effect on rats with liver cirrhosis, inducing hepatorenal syndrome instead of improving health. The study highlights the need for further research in hepatic regenerative medicine.

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.

New paper describes connections between Circadian and metabolic systems

Researchers discovered a gene called ID2 that regulates output from the master circadian clock in the brain and helps generate rhythms in various biological processes. The study found that ID2 plays a key role in modulating both the Circadian and metabolic systems, with implications for understanding shift work's impact on health.

Coffee break: Compound brewing new research in colon, breast cancer

Research finds that coffee's trigonelline compound may be beneficial in preventing colon cancer development but potentially linked to breast cancer. The compound can act like a hormone, but its impact on human health is still unclear due to complex interactions with other compounds in coffee.

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.

Greenland ice cap melting faster than ever

A new study confirms the Greenland ice sheet is losing mass at an accelerating rate, primarily driven by accelerated iceberg production and increased surface meltwater. The research suggests this trend is likely to continue in the near future, with significant implications for global sea level rise.

Gene knockout may cheer up mice

Researchers discovered that removing the PKCI/HINT1 gene from mice results in anti-depressant and anxiolytic-like behaviors, suggesting its potential role in mood regulation. The study's findings could lead to the development of new diagnostic or therapeutic agents for depression, bipolar disorders, and schizophrenia.

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.

Fertility procedures need not delay breast cancer treatment for younger women

A new study published in the Journal of the American College of Surgeons shows that younger women with breast cancer can safely delay treatment for up to 71 days after undergoing fertility preservation. The study found no significant delay in cancer treatment when fertility preservation is coordinated in a timely fashion.

New water management tool may help ease effects of drought

A new water management framework developed by NC State University researchers can help plan for droughts or excess rain, making efficient use of water resources. By using climate forecasts, water managers can reduce vulnerability to drought and increase benefits for poor farming communities.

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.

Mouse gene suppresses Alzheimer's plaques and tangles

A new mouse gene, Rps23r1, has been identified as a potential therapeutic target for reducing amyloid beta and tau levels in the brain. The gene triggers a signaling pathway that inhibits GSK-3, regulating protein generation and tangle formation. This finding offers new hope for treating Alzheimer's disease.