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Science News Archive 2015


Page 33 of 402

Discovery of an embryonic switch for cancer stem cell generation

Researchers at UC San Diego School of Medicine discovered a specific group of proteins decrease, triggering changes in the cancer microenvironment and accelerating growth of therapy-resistant CSCs. A targeted monoclonal antibody treatment effectively impaired CSC regeneration and made them easier to target with existing therapies.

Robot adds new twist to NIST antenna measurements and calibrations

The NIST robot, CROMMA, measures antenna properties with high precision and configurability, enabling faster and more accurate measurements of antennas for advanced communications, remote sensing, and imaging systems. The system uses near-field scanning technology to determine antenna gain, polarization, and pattern at long distances.

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.

Liquid foam: Plastic, elastic and fluid

French physicists develop a novel understanding of foam flow in a wedge-shaped channel, identifying connections between plastic events and deformation rates. This study has implications for further research on liquid foam properties and their impact on mechanical energy absorption.

Drug-resistant bacteria carried by nursing home patients focus of study

Researchers identified highly resistant bacteria in 23 of 500 acute care hospital admissions from nursing homes, with a feeding tube associated with gastrointestinal carriage. This study emphasizes the importance of hospital and nursing home infection control measures to prevent the spread of antibiotic-resistant bacteria.

Imaging identifies cartilage regeneration in long-distance runners

A study published at the Radiological Society of North America meeting found that ultra-distance running causes significant degradation in knee and ankle cartilage, but also enables its regeneration. The researchers used a mobile MRI scanner to track 44 runners over 64 days, revealing no distance limit for joint cartilage damage.

900,000 Euros for memory research

A three-year project is launching to investigate neural network mechanisms of sequence generation in the hippocampus. The researchers aim to shed light upon the neuronal foundations of memory, a brain structure crucial for remembering personal experiences.

Brook trout study identifies top climate change pressure factor

A 15-year study found that high summer air temperatures have a significant impact on Eastern brook trout populations, particularly on the smallest fry and eggs. The researchers predict that if climate warming proceeds as projected, these fish could become extinct in 15 years unless they evolve to adapt.

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.

Procreation trumps survival -- even on a cellular level

A newly discovered mechanism in worms suggests that mothers sacrifice their health for future generations, fueling egg cell development with fats. This phenomenon raises the possibility of a similar trait in humans, potentially impacting reproductive success and lifespan.

Black women less likely to benefit from early chemotherapy, study shows

A recent Yale University study found that black women with stage I-III cancer are less responsive to neoadjuvant chemotherapy compared to other racial groups. Despite presenting with more advanced-stage and aggressive tumors, the findings suggest biologic differences or disparities in treatment may be contributing factors.

TGen and Barrow identify genes linked to stress-triggered heart disease

TGen and Barrow researchers identified rare genetic changes associated with stress-triggered heart disease, a condition previously referred to as 'broken heart syndrome.' The study's findings may help guide care and treatment before and after patients experience a life-threatening stressor.

Meta Quest 3 512GB

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

Looking back 3.8 billion years into the root of the 'Tree of Life'

Researchers at Georgia Tech use ribosomal RNA to trace life's evolution, finding molecular structures and events near the biochemical origins of life. By analyzing variations in ribosomal RNA, they uncover secrets of creation and answer foundational questions about life's origins.

Global warming may affect pesticide effectiveness

A recent study found that global warming can reduce the effectiveness of permethrin in killing yellowfever mosquitoes. As temperatures increase, permethrin's efficacy decreases, highlighting the need for temperature consideration when choosing a pest-control product.

Apple iPhone 17 Pro

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

Researchers grow retinal nerve cells in the lab

Johns Hopkins researchers have developed a method to efficiently turn human stem cells into retinal ganglion cells, a type of nerve cell that transmits visual signals. The breakthrough could lead to the development of cell transplant therapies for glaucoma and multiple sclerosis patients.

Telepathology consultations benefit patients in China

A study by UPMC and KingMed Diagnostics researchers found that international telepathology consultations significantly improved patient care in China, altering treatment plans for over half of cases. The consultation service expanded access to pathology expertise, facilitating the diagnosis of rare malignancies.

UofL scientists identify critical pathway to improve muscle repair

Researchers at UofL discovered a mechanism involved in skeletal muscle repair that may enable clinicians to boost the effectiveness of adult stem cell therapies. TRAF6 ensures the vitality of stem cells, which regenerate muscle tissue, and its removal depletes Pax7, resulting in reduced muscle regeneration.

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.

A better way to grow bone cells

Researchers at Harvard developed a new technique to control stem cell differentiation into bone cells, mimicking the viscoelasticity of living tissue. The method increased osteogenic differentiation and allowed cells to grow into bone cells weeks after initial differentiation.

Novel insights into genetic cause of autoimmune diseases

Researchers have developed a new technique that maps genomic contact points to shed light on the parts of the genome involved in autoimmune diseases. This approach identified novel candidate genes relating to the risk of developing conditions like rheumatoid arthritis and type 1 diabetes.

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.

Red clover genome to help restore sustainable farming

The red clover genome provides a valuable tool for improving the beneficial traits of this important forage crop, including its ability to fix atmospheric nitrogen and provide protein-rich livestock feed. The genome assembly will pave the way towards genomics-assisted breeding methods for forage legumes.

UW researchers estimate poverty and wealth from cell phone metadata

Researchers used metadata from calls and texts to estimate wealth and poverty in Rwanda, finding patterns such as varied pre-paid time purchases and daily calling rhythms. The study suggests an alternative to traditional censuses for governments to estimate wealth distribution, costing around $10,000.

Advanced new camera can measure greenhouse gases

A new hyperspectral infrared camera can photograph and film methane in the air, addressing uncertainty around its sources and sinks. The camera measures emissions from environments such as sewage sludge deposits, combustion processes, animal husbandry, and lakes.

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.

MRI reveals weight loss protects knees

A new MRI study reveals that substantial weight loss can protect against knee cartilage degeneration and reduce the risk of osteoarthritis. The study found that patients who lost more than 10% of their body weight showed slower cartilage degeneration compared to those who did not lose weight.

Dead-easy test to tackle parasites

A new test, xWORM, uses the xCELLigence E-Plate to measure parasite motility, reducing time-consuming microscope checks and costs, offering a promising solution for treating parasitic worm diseases. The technology has potential applications in global health, particularly in tropical regions where such parasites infect millions of peopl...

Unveiling the turbulent times of a dying star

A team of international researchers employed powerful computer simulations to study the creation of jets in dying stars. Their work sheds light on an explosive chain reaction that helps form the structure of the universe. The simulations revealed a highly turbulent place, where magnetorotational instability drives the formation of jets.

New study reveals what's behind a tarantula's blue hue

A recent study reveals that tiny nanostructures in the exoskeletons of blue-haired tarantulas are responsible for their vibrant color. The researchers believe this discovery could lead to new ways to improve computer and TV screens using biomimicry.

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.

New report outlines benefits and trade-offs of low-carbon energy

The report reveals that renewable energy improves the environment and protects human health by reducing greenhouse gas emissions and pollution. However, it also highlights challenges such as material scarcity, recycling issues, and energy penalties from carbon capture and storage systems.

Shining light on microbial growth and death inside our guts

Researchers develop novel method to track microbial populations, revealing key role of initial cell death in long-term survival and adaptation to gut environment. This advancement could help identify novel therapies for treating conditions like irritable bowel syndrome, obesity, and cancer.

Fluke 87V Industrial Digital Multimeter

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

Tiny octopods catalyze bright ideas

Researchers at Rice University have created nanoparticles that can function as both catalysts and plasmonic sensors. These tiny octopods, composed of gold and palladium, enhance chemical reactions while retaining their optical properties. This breakthrough may lead to more efficient industrial processes and sun-driven chemical reactions.

Giant waste bins

Scientists have unraveled the abilities of multinucleated giant cells, which help the body deal with bulky items that obstruct physiological processes. The treatment for systemic amyloidosis has been found to be effective due to the complement system's role in marking and destroying protein deposits.

Assessing impact of asthma and eczema on children's lives

A new Northwestern Medicine project aims to better understand the effects of asthma and eczema on children's quality of life. The study will use PROMIS tools to measure the impact of these conditions, providing researchers and clinicians with more accurate assessments.

Waters are more polluted than tests say

Researchers found that pesticides can have lasting impacts on aquatic ecosystems, affecting populations of small crustaceans and zooplankton. The study's results suggest that standard toxicity tests may not capture the full extent of pollution in waters.

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.

Aspirin targets key protein in neurodegenerative diseases

A study found that aspirin's breakdown product salicylic acid blocks cell death associated with Alzheimer's, Parkinson's and Huntington's disease by inhibiting the GAPDH enzyme. Derivatives of salicylic acid may hold promise for treating multiple neurodegenerative diseases.

New in the Hastings Center Report

The November-December issue of the Hastings Center Report explores the ethics of neural devices, including deep brain stimulation and brain-computer interfaces. The issue also examines the use of e-cigarettes in health care organizations, where controversy surrounds their safety and effectiveness.

Parental absence affects brain development in children

Researchers found that children left without direct parental care for extended periods show larger gray matter volumes in the brain. The study also revealed a negative correlation between gray matter volume and IQ scores in left-behind children, suggesting delayed brain development.

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.

Three food grade colorants identified for citrus

Researchers have identified three food-grade colorants that can replace Citrus Red No.2 (CR2) in citrus fruit treatment. Annatto extract was found to be the most successful replacement, producing a stable 'dark orange' color in treated peels.

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.

Very large volcanic eruptions could lead to ice sheet instability

A new study from Durham University found links between massive volcanic eruptions and polar temperatures during the last Ice Age. The research indicates that Southern Hemisphere eruptions may have triggered abrupt warming in Greenland, while Northern Hemisphere eruptions caused Antarctic warming.

SSA honors Fan-Chi Lin with 2015 Charles F. Richter Early Career Award

Lin has published 26 papers on using ambient seismic noise to reconstruct internal structures of the Earth and map out structures in the crust and upper mantle with unprecedented accuracy. His method has been used to create detailed images of the Earth's inner core and a vast magma plumbing system below Yellowstone National Park.

Medicaid expansion improves breast cancer screening for low-income women

A study presented at the Radiological Society of North America meeting found that Medicaid expansion improved breast cancer screening rates among low-income women in US states. The analysis showed a significant increase in breast cancer screening adherence after implementation of Medicaid expansion programs in early adopter states.

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.

Researchers find new phase of carbon, make diamond at room temperature

Researchers from North Carolina State University have discovered a new phase of solid carbon, called Q-carbon, which has unusual characteristics such as ferromagnetism. They have developed a technique for creating diamond-related structures at room temperature and ambient atmospheric pressure using Q-carbon.