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Science News Archive November 2015


Page 35 of 35

Molecular 'brake' stifles human lung cancer

Scientists at the Salk Institute have discovered a molecule called EphA2 that stifles aggressive growth of common and deadly type of lung cancer in humans. The enzyme normally polices tissue growth but when mutated, cellular systems can run amok, leading to tumors.

Scientists map source of Northwest's next big quake

A team of scientists has mapped the mantle under the Juan de Fuca plate, a key step in understanding the forces behind large earthquakes and tsunamis. The map reveals segmentation of the subduction zone, which could help explain why Pacific Northwest megaquakes don't always break along the entire length.

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.

Breast cancer: Research IDs obstacles to care in Appalachia

Researchers used a new method to evaluate health-care access in Appalachia, finding that insurance and geospatial access played crucial roles in late-stage diagnosis and adjuvant hormone therapy. The study suggests traditional metrics like travel times may not accurately capture the barriers faced by patients.

Death rates, health problems, rise among middle-aged white Americans

A study published in the Proceedings of the National Academy of Sciences found that deaths among middle-aged white Americans increased significantly between 1999 and 2013. The top causes of death were suicide, drug and alcohol poisoning, and chronic liver diseases and cirrhosis.

Breeding higher yielding crops by increasing sugar import into seeds

A team of scientists has discovered a gene called SWEET4 that plays a crucial role in increasing seed size and yield by importing sugars into seeds. This breakthrough discovery could lead to the development of new crop varieties with improved nutritional value and resistance to pathogens.

Celestron NexStar 8SE Computerized Telescope

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

Early contact with dogs linked to lower risk of asthma

A Swedish study found that children growing up with dogs have a lower risk of developing asthma, with a 15% reduction compared to those without dogs. The study analyzed over one million children and controlled for confounding factors.

Do you buy local? Your consumer ethnocentrism may be showing

A new study in the Journal of International Marketing identifies five distinct dimensions of consumer ethnocentrism: prosociality, cognition, insecurity, reflexiveness, and habituation. The study introduces a new scale to measure consumer ethnocentrism, which better predicts preferences for domestic brands.

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.

Living alone can dent healthy diets

Research by Queensland University of Technology found that people living alone are more likely to have poor dieting habits due to inadequate cooking skills and lack of motivation. The study also found a gender disparity in healthy eating practices, with men living alone having poorer diets than women.

Uncovering the secrets of ice that burns

Researchers found that grain size determines methane hydrate behavior under stress, with maximum capacity at 15-20 nm. This discovery has implications for predicting and preventing hydrate failure and exploring their use as a future energy source.

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.

Teen sex talks with parents, especially moms, associated with safer sex

Research suggests that parent-adolescent communication is positively linked to safer sex behavior. The study found a small but significant association between parent communication and contraceptive use, which was stronger for girls than boys. Open communication about sex can help delay sexual debut and reduce the risk of sexually trans...

Researchers build nanoscale autonomous walking machine from DNA

Researchers at UT Austin developed a nanoscale machine made of DNA that can autonomously walk in any direction, opening doors for cancer detection and therapeutic delivery. The DNA walker, with two legs connected by a torso, moves randomly and avoids re-tracing its steps, demonstrating a new level of complexity.

SAMSUNG T9 Portable SSD 2TB

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New research opens door to understanding human tonsil cancer

Researchers have developed a groundbreaking method to identify and separate human tonsil cancer stem cells, providing new insights into the disease. The study shows that these stem cells are key players in the development of tonsil cancer, with HPV infection being a major risk factor.

Dartmouth, NSF aim to turn America's rural libraries into STEM centers

A new NSF-funded project aims to develop rural libraries and librarians into informal STEM learning centers, providing access to science education for small towns and rural areas. The initiative builds on a previous Dartmouth-led project that reached over 100 libraries and aims to involve another 110.

Study: Blood vessels store, secrete key blood-clotting protein

A study by Rice University researchers has solved a long-standing mystery about the storage and secretion of blood-clotting factor VIII. The protein is both stored and secreted from a specialized organelle in endothelial cells, which line the walls of blood vessels.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

University of the Pacific researchers give peptides a longer life

Researchers at University of the Pacific have developed a method to significantly extend the lifespan of peptides. By tagging peptides with a compound, they enable it to survive in the bloodstream longer and avoid degradation. This breakthrough technology has the potential to improve peptide therapies for cancer and other diseases.

Engineers design magnetic cell sensors

Researchers have created genetically encoded magnetic protein nanoparticles that can be produced within cells, allowing for non-invasive tracking and monitoring of cell signals. This technology has the potential to observe communication between neurons, activation of immune cells, and stem cell differentiation, among other phenomena.

Adjusting to less food availability can impact kids negatively

A new study by Rice University sociologists finds that adjusting to less food availability can negatively impact kids, resulting in behavioral problems and poorer health. The study looked at transitions in food insecurity among kindergarteners and first-graders between 2011 and 2012.

Chemo-resistant tumors targeted by BU School of Medicine researcher

A BU School of Medicine researcher has identified a small molecule that selectively kills ALT-positive cancer cells, offering a potential therapeutic approach to deadly forms of human cancer. The discovery targets the ALT pathway, frequently reactivated in aggressive cancers such as osteosarcoma and glioblastoma.

Does cheering affect the outcome of college hockey games?

A study conducted by a University of Nebraska student found that cheering crowd noise levels in college hockey stadiums have no strong correlation with goals scored. The study measured noise levels during four games and found the loudest sections to be around 95 decibels, which is equivalent to hearing a jackhammer from 50 feet away.

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.

How to convince people to wash their hands during flu season

Researchers found that praising with an assertive tone and scolding with a non-assertive tone were the most effective ways to persuade people to wash their hands during flu season. The study, published in the Journal of Marketing Research, suggests that using an assertive tone can intensify the message and promote desired behavior.

Internet too slow? You may be paying too much to save a few seconds

A new study in the Journal of Marketing Research found that consumers often misjudge the benefits of increased productivity, leading to wasted spending. Researchers Bart de Langhe and Stefano Puntoni discovered that consumers tend to overestimate time savings at high-productivity levels compared to low-level increases.

Apple iPhone 17 Pro

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

How the Ebola scare stigmatized African immigrants in the US

The study found that African immigrants experienced discrimination and stigma linked to the Ebola virus, leading to stress and hardships. The researchers emphasize the need for research on infectious diseases affecting immigrant communities in the US.

Eavesdropping on Bering Strait marine mammals

A team of researchers is using 'passive acoustic monitoring' to document the use of the Bering Strait by species previously excluded by sea ice. They are eavesdropping on marine mammals within the Arctic to monitor their presence year-round and study the impacts of climate change on the ecosystem.

Learning more about the link between PCOS and mental health

Researchers at Karolinska Institutet identified a hormonal mechanism explaining why women with PCOS are more likely to develop mental health issues. The study found that excessive testosterone exposure during fetal development can lead to anxiety-like behavior in both male and female offspring.

The innate immune system modulates the severity of multiple sclerosis

Researchers discovered that macrophages and monocytes actively participate in multiple sclerosis progression, exacerbating disease severity through stress signals. The study highlights the significance of the crosstalk between the peripheral immune system and brain, opening new avenues for potential therapies.

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.

Calcium-48's 'neutron skin' thinner than previously thought

Researchers used America's most powerful supercomputer, Titan, to compute the neutron distribution of calcium-48, finding a smaller difference between neutron and proton distributions. This calculation impacts the size of neutron stars, connecting objects with a 18-order magnitude size difference.

Risk assessment, for the birds

Researchers studied three species of songbirds crossing the Gulf of Mexico, finding they use weather and body fat to assess migration risk. The findings can help protect migrating birds by identifying high-quality habitats along their routes.

New study suggests fair division of chores leads to better sex life

A new study from the University of Alberta suggests that men's fair contribution to housework is linked to more frequent and satisfying sex in their relationships. The research found no correlation between the amount of housework completed and sexual functioning, contradicting previous studies.

Off-label prescription drug use and adverse drug events

A study of Canadian patients found that off-label prescription drug use was associated with a higher incidence of adverse drug events (ADEs), particularly when the use lacked strong scientific evidence. The study also found that patients using multiple medications had a significantly increased risk for ADEs.

First evaluation of new fingerprinting methods for ivory

Scientists developed new techniques to retrieve fingerprints from ivory, overcoming its porous nature and achieving clearer prints with reduced-size powders. This breakthrough enhances forensic tool use in regions with high levels of ivory-related crime.

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.

Hunting down hidden dangers and health benefits of urban fruit

A study by Wellesley College and the League of Urban Canners found that urban fruits like apples and peaches have lower levels of lead and arsenic, but higher concentrations of micronutrients. The researchers also found that eating urban fruit is not a significant source of lead exposure.

'Water on the knee' could be early sign of Lyme disease

A literature review suggests that spontaneous knee effusion, also known as 'water on the knee,' can be an early symptom of Lyme disease, which can progress to more severe symptoms if left untreated. Early diagnosis and antibiotic treatment are crucial in preventing long-term damage.

Skin cancer-causing fusion gene identified

A novel fusion gene NUP160-SLC43A3 has been identified in skin cancer cells, leading to rapid tumor progression and a significantly shorter duration between symptoms onset and hospital visit. This discovery has potential implications for new diagnostic and therapeutic approaches for angiosarcoma.

Earthquakes recorded through fossils

Researchers found stratigraphic evidence of subsidence during large earthquakes beneath salt marshes in California's Humboldt Bay. Microfossil data analysis enabled more accurate estimates of subsidence, refining earthquake models that match observed measurements. New plant macrofossils provide tighter constraints on past earthquake ti...

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.

Signs of acid fog found on Mars

Planetary scientist Shoshanna Cole discovered signs of acid fog on Mars, which formed when acidic vapors dissolved minerals and created gel-like cement. The phenomenon was observed in the Watchtower Class outcrops on Husband Hill, indicating a change in the environment billions of years ago.

Soybean foods may protect menopausal women against osteoporosis

A preliminary study found that soy protein and isoflavones can slow down bone loss and lower the risk of osteoporosis in early menopause. The study suggests that incorporating soy foods into a diet could be an effective option for improving bone health in women during this period.

Fluke 87V Industrial Digital Multimeter

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