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Science News Archive 2019


Page 110 of 486

Reef fish caring for their young are taken advantage of by other fish

Biologists have discovered that coral reef fish take advantage of parental care to raise their own young. Genetic tests revealed that many parents were caring for mixed broods of young from different species. The study found evidence of both adoption and brood parasitism, with unrelated young fish benefiting from parental protection.

Fresh insights could lead to new treatments for liver disease

Researchers at the University of Edinburgh have identified three new sub-types of cells involved in liver scarring, accelerating the disease progression. The discovery is expected to accelerate the development of new treatments for liver diseases, which affect one in five people in the UK.

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.

Study finds prehistoric humans ate bone marrow like canned soup 400,000 years ago

Scientists have found evidence of prehistoric humans storing and consuming animal bone marrow at Qesem Cave, dating back to around 400,000 years ago. The discovery suggests that early Paleolithic people had a sophisticated understanding of food preservation, allowing them to store bone marrow for up to nine weeks before feasting on it.

Study links sleep disturbances and Alzheimer's among Hispanics

A new study led by a University of Miami neurologist found that sleep disturbances among Hispanics may increase their risk of cognitive impairment and Alzheimer's disease. Insomnia and prolonged sleep duration were linked to declines in memory, executive function, and processing speed, which can precede the onset of dementia.

Women and black Americans more likely to face severe adult obesity

A multi-national study reveals that children of normal weight who later become severely obese are often girls or from black populations, highlighting the need for tailored monitoring and prevention efforts. The study provides a predictive tool for doctors to focus intervention on high-risk individuals.

No soil left behind: How a cost-effective technology can enrich poor fields

A new cost-effective technology, subsurface water retention technology (SWRT), has the potential to significantly improve harvests in sub-Saharan Africa's poor fields. SWRT increases water retention and organic material accumulation, making soils more fertile, resulting in higher maize yields and carbon sequestration.

Apple iPhone 17 Pro

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

Unique immune cell could help stop breast cancer

Researchers identified gamma delta T cells in breast tissue, which are associated with remission and higher survival rates. The study suggests that these cells may be used to develop new treatments for breast cancer.

Humans have salamander-like ability to regrow cartilage in joints

Researchers at Duke University Medical Center discovered a mechanism for cartilage repair similar to salamanders' limb regeneration. Cartilage age depends on joint location, with ankles being younger, knees middle-aged, and hips older. MicroRNAs regulate this process and may be developed into arthritis medicines.

How to make biocatalysts immortal

A research team from Bochum and Marseille has developed a self-defence mechanism in biocatalysts that shields them from oxygen, extending their service life up to 22,000 years. The new design uses tiny molecular spheres to create an extremely thin protective film that maintains efficiency.

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.

Mapping white clover heritage

Researchers in New Zealand have developed a comprehensive map of white clover heritage and genetic landscape, providing a valuable resource for breeders. The 'pedigree map' reveals the history of the species, including its origins and genetic makeup, enabling more informed breeding decisions.

Study examines timing of weight gain in children

A new study analyzed data from 2010 to 2015 and found that body mass index of Wisconsin children rose in the summer and decreased in the fall. The study suggests that school-based obesity prevention initiatives may benefit from additional weight management support delivered at the start of the school year.

Can being neighborly reduce depression in older adults?

A study of over 10,000 Chinese older adults found that living in neighborhoods with higher levels of social participation was associated with lower rates of depression. This increased social connection led to more physical activity and contact with neighbors and own children.

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.

WVU researchers tackle rising health care costs with artificial intelligence

Researchers at WVU are using artificial intelligence to develop more efficient and accurate diagnoses of cardiovascular diseases, potentially leading to cost savings and improved patient outcomes. The four-year project aims to address research challenges associated with AI in healthcare, including data analysis efficiency and privacy m...

New mechanism fueling brain metastasis discovered at Wistar

Scientists at The Wistar Institute have identified a novel mechanism by which astrocytes promote cancer cell growth and metastasis in the brain. The pro-metastatic effect is mediated through the activation of the PPAR-gamma pathway, providing a new lead for PPAR-gamma antagonists in cancer therapy.

Binghamton University professor wins Nobel Prize in Chemistry

M. Stanley Whittingham's work on lithium-ion batteries has revolutionized energy storage and utilization, enabling widespread use of portable electronics. His research has been instrumental in advancing the development of these batteries, paving the way for significant technological advancements.

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.

Electronic solid could reduce carbon emissions in fridges and air conditioners

Researchers from the University of Cambridge have identified a promising replacement for toxic greenhouse gases used in refrigerators and air conditioners. The device, based on layers of oxygen and metallic elements PST, displays the largest electrocaloric effects yet observed in a body large enough for cooling applications.

Chemical evolution -- One-pot wonder

Researchers propose a cascade of chemical reactions to produce RNA's four genetic building blocks, creating a pivotal step in chemical evolution. The process requires simple precursor molecules and can occur under homogeneous environmental conditions.

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.

Deep3DFly: the deep-learning way to design fly-like robots

Deep3DFly uses computer science and neuroscience to model fly movements and poses, enabling robots to climb challenging terrain. The system can automatically predict and correct errors in calculations, opening up new possibilities for robotics and medicine.

New study supports nervous system's role in age-related weakness

Researchers found that older adults experience physical weakness due to impairments in brain and nerve function, rather than muscle changes. The study suggests that addressing the nervous system's role could improve quality of life for older adults with age-related strength loss.

Human gut microbes could make processed foods healthier

Researchers at WashU Medicine discovered that certain strains of gut microbes can break down harmful compounds in processed foods and produce beneficial nutrients. These microbes could potentially make unhealthy snacks healthier when added to their composition.

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.

Helping conservation initiatives turn contagious

A study published in Nature Sustainability found that most conservation initiatives follow a slow-fast-slow model, where initial adoption is slow but grows quickly as more adopters connect with potential adopters. This understanding can help policymakers design and promote effective conservation programs.

Highly virulent listeriosis pathogen discovered

Researchers identified a new, highly virulent form of Listeria monocytogenes that causes severe diseases in animals and humans. The strain was discovered in China and combines the virulence characteristics of various highly pathogenic Listeria species into a single isolate.

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.

Rest may help reduce PTSD symptoms, UCL study finds

A new UCL study has found that a period of rest following a traumatic event can reduce the development of involuntary 'memory intrusions' in post-traumatic stress disorder (PTSD). The study suggests that increasing memory consolidation, which involves storing and contextualizing memories, may help prevent these disturbances.

Blood test could help to accelerate brain cancer diagnosis

A new blood test has been developed to accelerate brain cancer diagnosis, distinguishing patients with brain cancer from healthy individuals correctly 87% of the time. The technology uses infrared light and artificial intelligence to identify the signs of cancer in a blood sample.

Scientists find gender-distinct circuit for depression

Research found a single circuit in mice that activates during stress, controlled by testosterone, driving different behaviors in males and females. In female brains, the circuit is active under stress but quietens with testosterone introduction, making them resistant to depression-like behaviors.

How chromosomes change their shape during cell differentiation

The study observed changes in A/B compartments of mouse embryonic stem cells, correlating with gene expression and replication timing changes. Chromosome conformation changes preceded gene expression changes, suggesting a physical mechanism for transcriptional regulation.

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.

Physicists couple key components of quantum technologies

Researchers at the University of Münster have created an interface that couples light sources with nanophotonic networks, enabling the integration of quantum optical circuits on chips. The interface uses photonic crystals to enhance a specific wavelength range and can be replicated using established nanofabrication processes.

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.

Threshold-dependent gene drives in wild populations

Threshold-dependent gene drives offer a potential solution to controlling the spread of gene drives in wild populations, increasing control and reducing the risk of unchecked spread. The authors discuss this concept in detail, highlighting its potential benefits and challenges.

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.

Finding upends theory about the cerebellum's role in reading and dyslexia

A new study published in Human Brain Mapping found that the cerebellum is not engaged during reading in both typical readers and children with dyslexia. The research suggests that difficulties in phonological processing, a key feature of dyslexia, are more closely related to brain regions in the left cortex.

Bad behavior between moms driven by stereotypes, judgment

A study published in the Journal of Family Communication reveals that mothers' negative experiences with others can lead to anxiety, depression, and isolation. The research highlights the importance of common ground and shared interests in building positive relationships among mothers.

Use of tape strips in early onset pediatric atopic dermatitis

A new study uses tape strips to analyze skin lesions and non-lesional skin in infants and young children with early-onset eczema, identifying biomarkers for immune and barrier abnormalities. The technique provides a non-invasive alternative to skin biopsies, which are often difficult to perform in children.

Late third trimester ultrasound may detect missed fetal abnormalities

A study of over 50,000 pregnancies reveals that late third trimester ultrasounds can identify previously undetected fetal abnormalities in 0.5% of cases. This benefit highlights the importance of these scans for detecting abnormalities that were missed in earlier first and/or second trimester exams.

5G wireless to connect robots on the ground to AI in the cloud

The research team aims to design algorithms that optimally distribute computation between robots and the cloud for guaranteed safe robotic operation. 5G systems offer higher data rates but pose challenges due to limited bandwidth and high latency, requiring new control algorithms that can exploit high-rate links when available.

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.

Long-term dupilumab benefits adolescents with eczema

A phase IIa trial and a subsequent extension trial show dupilumab's long-term safety and efficacy in treating moderate-to-severe atopic dermatitis in adolescents. The medication works by blocking specific substances that cause eczema symptoms, providing substantial clinical benefit with an acceptable safety profile.

Tennessee selected for dairy business innovation grant from USDA

Tennessee has been selected for a $454,000 Dairy Business Innovation Initiative grant from the USDA to help the state's dairy industry diversify product markets and improve farm income. The project aims to assist Tennessee dairy farmers in developing higher-value uses for dairy products through processing and marketing specialty products.

Graphene substrate improves the conductivity of carbon nanotube network

Scientists at Aalto University and the University of Vienna create hybrid material combining graphene and single-walled carbon nanotubes, achieving higher conductivity than either component alone. The van der Waals interaction between graphene and nanotubes enhances charge-tunneling, leading to improved electrical properties.