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Science News Archive March 2020


Page 36 of 41

A small step for atoms, a giant leap for microelectronics

Scientists at Rice University successfully grew atom-thick sheets of hexagonal boron nitride, a wide band gap semiconductor, to create perfectly ordered crystals for use in integrated circuits. The breakthrough enables the development of 2D layers with millions of transistors, potentially overcoming limitations in miniaturization.

New material could turn clothing into a health monitor

Researchers have developed a new material that can be woven into fabric to detect slight changes in body temperature, serving as an early warning system for injury or illness. The material, capable of maintaining a pliable disordered structure, can alert someone monitoring the change to potential need for intervention.

Apple iPhone 17 Pro

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

Cover crops can benefit hot, dry soils

Researchers found that cover crops can increase soil health in the Southern High Plains by retaining rainwater and reducing erosion. The study showed that biological activity improves soil structure and increases soil carbon storage, leading to reduced greenhouse gas emissions.

New measure for excessive buying problems

Researchers at Flinders University have developed a new measure for excessive buying problems, the Excessive Buying Rating Scale (EBRS), to assess severity and predict predictors of problematic buying. Strong beliefs about the benefits of buying were significant predictors, while gender and age also played a role.

Genome editing strategy could improve rice, other crops

Researchers developed a new genome editing strategy using CRISPR to precisely target genes for desirable traits, such as high beta-carotene levels and disease resistance. This approach reduces the need for marker genes and allows for more complex trait clusters.

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.

Lung diseases linked to higher rheumatoid arthritis risk

A recent study published in Arthritis & Rheumatology found that asthma and chronic obstructive pulmonary disease (COPD) are associated with a higher risk of developing rheumatoid arthritis. Women with asthma were 53% more likely to develop rheumatoid arthritis, while those with COPD were 89% more likely.

SAMSUNG T9 Portable SSD 2TB

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How a magnet could help boost understanding of superconductivity

Physicists at Rutgers University have discovered that applying a magnetic field can create a 'quantum critical point' in certain materials, leading to infinite quantum fluctuations and the formation of superconductors. This finding provides important clues for developing room temperature superconductors.

High-tech contact lenses correct color blindness

Scientists have created ultra-thin optical devices known as metasurfaces integrated into off-the-shelf contact lenses to correct deuteranomaly, a form of red-green color blindness. The new customizable contact lens can restore lost color contrast and improve color perception up to a factor of 10.

'It's like you have a hand again': An ultra-precise mind-controlled prosthetic

University of Michigan researchers create a way to tame temperamental nerve endings, separate thick nerve bundles into smaller fibers, and amplify signals to enable precise control. The approach involves tiny muscle grafts and machine learning algorithms, allowing for intuitive prosthetic control with no learning required.

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.

Diversity semantics shift higher ed inclusivity away from students of color

A study by University of Colorado Denver found that affirmative action's legal semantics have redefined diversity priorities to benefit white students. This shift is reflected in initiatives like 'Inclusive Excellence,' which treats students of color as responsible for diversity, rather than promoting true inclusivity.

Reducing problem behaviors for children with autism

A University of Missouri researcher has created a new approach to reducing problem behaviors in children with autism spectrum disorder. The flexible intervention technique emphasizes momentary check-ins, allowing parents and caregivers more flexibility to implement the strategy. This can help minimize self-inflicted harm and social sti...

Study examines potential link between partner bereavement and skin cancer

A recent study funded by the European Academy of Dermatology and Venereology found a potential link between partner bereavement and skin cancer. Researchers discovered that individuals who experienced the loss of a partner had a decreased risk of being diagnosed with melanoma, but an increased risk of dying after diagnosis.

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.

Sensitivity to low flow

A new method helps scientists determine how vulnerable rivers are to drought conditions by analyzing streamflow data, identifying faster and slower components of runoff and their impact on river sensitivity.

A joint venture at the nanoscale

Researchers at Argonne National Laboratory fabricate and test a superconducting nanowire device capable of detecting low-energy photons and operating in extreme magnetic fields. The device, made from niobium nitride, operates near absolute zero and has the potential to revolutionize nuclear physics experiments.

Five-year survival improves for certain cancers in adolescent and young adults

A recent study has found that the five-year survival rate for adolescents and young adults with certain types of cancer has improved substantially over the past three decades. Leukemia and non-Hodgkin lymphoma have seen significant declines in mortality rates, with improvements ranging from 20-30 percentage points between 1975 and 2005.

Fluke 87V Industrial Digital Multimeter

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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.

New telescope observations shed new light on black hole ejections

A team tracked a black hole's ejecting material using e-MERLIN and other telescopes over months, gaining insight into how black holes feed energy into their environment. The observations revealed ejections moving at near-light speed, with implications for understanding the role of black holes in galaxy growth.

Study homes in on possible cause of sudden cardiac deaths

Researchers identified a protein and signaling pathway that may contribute to sudden cardiac deaths in patients with Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC). The study found that loss of integrin β1D prevents proper calcium control, leading to arrhythmias.

Manipulating atoms to make better superconductors

Scientists have successfully manipulated individual atoms to exhibit collective behavior, a crucial step towards creating room-temperature superconductors. The study uses atomic manipulation to place cobalt atoms on copper surfaces in a perfectly ordered pattern, demonstrating the potential for higher temperatures.

Creality K1 Max 3D Printer

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US health care spending by payer, health conditions

This study estimated annual health care spending in the US by payer and health condition, including low back pain, diabetes, and ischemic heart disease. The analysis revealed significant variations in spending across different payers and health conditions.

The IKBFU scientists created the first diamond x-ray micro lens

The IKBFU scientists have developed a new method for producing diamond x-ray micro lenses, which can withstand high temperatures and radiation loads. The lenses are made using an electron-ion microscope and have exceeded expectations, enabling the study of nanostructures and protein crystals with greater detail.

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.

New approach to combat opioid crisis in rural Tennessee

The University of Tennessee Extension is launching a new effort to address the opioid crisis in rural Tennessee through the PROMPT TN program. The project aims to develop opioid-specific resources and train community members to prevent addiction, focusing on underlying causes and risk factors.

Starve a tumor, feed a cell: How cancers can resist drugs

Researchers at University of California, Irvine discovered that cancer cells use a process called macropinocytosis to obtain nutrients from dead cell material within tumors. This mechanism enables tumor cells to resist chemotherapy and other treatments, making it a promising target for new therapies.

How our brains create breathing rhythm is unique to every breath

Researchers found that brain cells generate a 'new song' with the same beat for each breath, adapting to changing rhythms throughout the day. The discovery could lead to new approaches to treating breathing disorders and may even help combat opioid-related deaths.

CalDigit TS4 Thunderbolt 4 Dock

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Dragonflies are efficient predators

A study by the University of Turku found that four damselfly species can catch and eat hundreds of thousands of insects during a summer, with chironomids being their favorite food. This has significant implications for understanding natural food web functions and the impact of predation on insect populations.

Changing the debate around obesity

A leading health psychologist argues that negative attitudes towards weight gain affect patient treatment quality. Research shows that obesity is a complex condition with multiple causes, and using positive language can help promote understanding.

Study explores sexual harassment at AADR conferences

A new AADR survey found that 79% of respondents did not experience sexual harassment at conferences, but women and frequent attendees were more likely to report incidents. The majority of reported harassment was of a non-sexual nature, such as put-downs or condescension.

Davis Instruments Vantage Pro2 Weather Station

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Blocking energy production in immune cells helps tumours escape treatment

A study published in eLife has identified two strategies used by cancer to survive treatment with immunotherapies, including one that disables energy production in cancer-killing T-cells. Researchers found that some human cancer cells release molecules that inhibit the activity of energy-producing mitochondria in T-cells.

We can make predictions about relationships - but is this necessary?

German and Canadian psychologists have developed a predictive model for relationship longevity, identifying key features that indicate a successful or unsuccessful partnership. Couples who start with similar needs and maintain individual independence tend to stay together longest, while those with differing happiness levels are more li...

Cancer survival rates improve for young adults

A new study found improvements in five-year survival rates for all cancers in young adults, with some cancer types showing little to no improvement since the 1970s. Treatment advances have led to steady improvements in estimated survival rates among adolescents and young adults.

New tiny 44-million-year-old bird fossil links Africa and Asia to Utah

A new species of quail-sized fossil bird from 44 million year old sediments in Utah has strong links with other extinct species from Namibia and Uzbekistan. The fossil fills a nearly 15 million-year gap in the galliform lineage in North America, revealing flexibility in the ecology and diet of early paraortygid birds.

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.

Caesarean birth has little impact on children developing allergies

A new study led by Murdoch Children's Research Institute found that caesarean delivery had a small link to asthma but no association with eczema or lung function. The research suggests parents need not worry about caesarean birth impacting their child's risk of allergies.

Plasma-driven biocatalysis

Researchers at Ruhr-University Bochum developed a process to protect enzymes from plasma treatment, allowing for stable biocatalytic reactions with precise hydrogen peroxide dosing. This method improves the efficiency of traditional enzyme catalysis by reducing energy consumption and waste.

Obesity promotes virulence of influenza

A new study finds that obesity promotes the virulence of the influenza virus by impairing interferon defense responses and allowing for viral diversity. This correlation may explain why yearly influenza vaccines are needed, as obese individuals shed more virus and have delayed antiviral responses.

Meta Quest 3 512GB

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Anti-evolution drug could stop antibiotic resistance

Researchers discovered 46 drugs that block bacterial competence, preventing the spread of antibiotic resistance in mice and human lung cells. These 'anti-evolution drugs' could be combined with antibiotics to extend their lifespan.