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Science News Archive April 2021 - Page 43


Page 43 of 46

Humans were apex predators for two million years

Researchers at Tel Aviv University reconstructed the nutrition of stone age humans, finding they were specialized carnivores with a high-fat diet. The study used multiple lines of evidence, including genetics, metabolism, and archaeology, to conclude that humans evolved as apex predators for two million years.

SourceTel-Aviv University·JournalAmerican Journal of Physical Anthropology·DateApr 5, 2021

Amazing integration of technology and art: a 3D LotusMenu in your palm

A new interactive technology called LotusMenu uses rotational motion to control a 3D menu, reducing fatigue and increasing user efficiency. The study shows significant improvements in completion time and user experience compared to traditional linear menus.

SourceScience China Press·JournalScience China Information Sciences·DateApr 5, 2021

New IT system may help film scriptwriters achieve box-office success

Researchers from the University of Granada and the University of Cádiz have developed a computer system that can help film scriptwriters create successful storylines by analyzing common tropes in films. The system uses artificial intelligence to predict which narrative devices or plot twists are likely to work well with audiences.

SourceUniversity of Granada·JournalPLOS ONE·DateApr 5, 2021

Incidence of blood clots in adults tested for SARS-CoV-2

A large health system study found a significant association between SARS-CoV-2 testing and an increased incidence of outpatient and hospital-associated blood clots in adults. The 30-day risk was higher for women and individuals with certain underlying medical conditions.

SourceJAMA Network·JournalJAMA Internal Medicine·DateApr 5, 2021
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.

Researchers extend the life of a dipolar molecule

Harvard University researchers have extended the lifespan of a dipolar molecule, enabling stable qubits for quantum computing and simulation applications. The new method allows for controlled individual atom interactions, granting scientists a key resource for molecule-based quantum information processing.

SourceHarvard University·DateApr 5, 2021

Nonlinear wave mixing facilitates subwavelength imaging

A team of researchers from Shanghai Jiao Tong University has developed a new way to break the Abbe diffraction limit and realize subwavelength imaging in an all-optical manner. By utilizing nonlinear four-wave mixing, they create super-resolution through scattering of evanescent fields into the far field.

SourceSPIE--International Society for Optics and Photonics·JournalAdvanced Photonics·DateApr 5, 2021
Apple iPhone 17 Pro

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

A sun reflector for earth?

A team of experts, including Phoebe Zarnetske and Jessica Gurevitch, investigate the ecological impacts of reflecting sunlight to cool the planet. Their research highlights the complexity of cascading relationships between ecosystem function and climate under different scenarios.

SourceAdvanced Science Research Center, GC/CUNY·JournalProceedings of the National Academy of Sciences·DateApr 5, 2021

New batteries give jolt to renewables, energy storage

Researchers at Cornell University have developed a new type of battery that uses aluminum, offering up to 10,000 error-free cycles and potentially replacing lithium-ion batteries. This innovative technology could provide a safer and more sustainable alternative for energy storage, addressing the challenges of intermittent solar energy.

SourceCornell University·JournalNature Energy·DateApr 5, 2021

Overfishing of Atlantic cod likely did not cause genetic changes

A Rutgers University-led study finds that overfishing is unlikely to be the primary cause of genetic changes in Atlantic cod. Instead, researchers suggest that addressing environmental factors such as climate change and reducing fishing pressure may be more effective in allowing cod populations to recover.

SourceRutgers University·JournalProceedings of the National Academy of Sciences·DateApr 5, 2021
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Maddening itch of liver disease comes from a surprising source

Researchers found that liver disease primary biliary cholangitis triggers a signaling cascade in skin cells, leading to the formation of micro-RNA bubbles that signal itching. The discovery could lead to new treatments for severe itching and potential liver disease markers.

SourceDuke University·JournalGASTROENTEROLOGY·DateApr 5, 2021

Story tips: Mighty Mo material, fueling retooling, goods on the move, doubling concrete and more

Researchers at Oak Ridge National Laboratory have developed a refractory metal alloy that can withstand extreme temperatures and is viable for additive manufacturing. The team also created an electrocatalyst that enables the conversion of water and carbon dioxide into higher weight hydrocarbons, set to reduce fuel costs.

SourceDOE/Oak Ridge National Laboratory·JournalConstruction and Building Materials·DateApr 5, 2021

NIST demo adds key capability to atom-based radio communications

Researchers at NIST have developed an atom-based sensor that can determine the direction of incoming radio signals, a crucial component for atomic communication systems. The sensor uses Rydberg atoms to measure phase differences and calculate signal arrival angles, offering advantages in accuracy and universality.

SourceNational Institute of Standards and Technology (NIST)·JournalApplied Physics Letters·DateApr 5, 2021

Yuck! Art historian leans in to notion of discomfort food

Kessler explores the psychological impact of food on art, revealing how paintings like Vollon's 'Mound of Butter' and Manet's 'Fish (Still Life)' evoke anxiety and discomfort. Her research sheds new light on the cultural significance of food in 19th-century France.

SourceUniversity of Kansas·DateApr 5, 2021
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.

End-of-life care remains aggressive for people with ovarian cancer

A recent study found that end-of-life care for people with ovarian cancer has not improved significantly since 2007, with Black patients experiencing higher rates of emergency department visits and intensive treatment. Palliative care recommendations have been included in guidelines, but its adoption remains limited.

SourceMichigan Medicine - University of Michigan·JournalCancer·DateApr 5, 2021

For 80% of Americans with resolved drug problem, significant personal achievements

A recent study published in Psychology of Addictive Behaviors found that 80% of Americans with resolved drug problems report significant personal achievements, including self-improvement, family engagement, and civic participation. These achievements accumulate over time and are associated with greater happiness and quality of life.

SourceMassachusetts General Hospital·JournalPsychology of Addictive Behaviors·DateApr 5, 2021
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.

This hydrogen fuel machine could be the ultimate guide to self-improvement

Scientists at Berkeley Lab have discovered a self-improving property in Si/GaN that enables it to become more efficient and stable as an artificial photosynthesis device. The material, made of silicon and gallium nitride, can harness sunlight into carbon-free hydrogen with twice the efficiency and stability of previous technologies.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Materials·DateApr 5, 2021

Scientists scour genes of 53,000+ people to better battle dangerous diseases

The study provides valuable insights into heart, lung, blood and sleep disorders, shedding light on human evolution and genetic mutation. The analysis identified 400 million genetic variants, with over 78% never described before, offering potential for new treatments and prevention strategies tailored to individual patients.

SourceUniversity of Virginia Health System·JournalNature·DateApr 5, 2021
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.

COVID-19 news from Annals of Internal Medicine

Case report describes two patients who underwent a successful second dose of the Moderna vaccine using a graded dosing protocol after experiencing immediate hypersensitivity reactions. Both patients responded well and developed IgG antibodies, suggesting effective vaccination despite the modified dosing schedule.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateApr 5, 2021

Prenatal cytokine exposure and midlife stress response

A study of 80 people shows that prenatal exposure to proinflammatory cytokines is associated with different responses to stressful stimuli in adults. Women prenatally exposed to cytokines have altered brain activity and connectivity compared to men.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateApr 5, 2021

New 'quantum' approach helps solve an old problem in materials science

Scientists develop a quantum annealing framework to solve the long-standing problem of ion diffusion in solids. The approach shows promising results, especially when compared to other computational techniques, and could expand materials science.

SourceJapan Advanced Institute of Science and Technology·JournalScientific Reports·DateApr 5, 2021
Celestron NexStar 8SE Computerized Telescope

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

How can remote workers best manage work-home conflict?

Remote workers can benefit from setting clear boundaries between their personal and professional lives, according to Rensselaer Polytechnic Institute professor Timothy D. Golden. Effective communication with family members and managers is crucial for maintaining a healthy work-life balance while working from home.

SourceRensselaer Polytechnic Institute·JournalOrganizational Dynamics·DateApr 5, 2021

Surprising disconnect between physical characteristics and genetic ancestry in certain

A Stanford University study reveals that traits like skin pigmentation reveal little about genetic ancestry over time, regardless of mating scenarios. The researchers used a mathematical model to understand the decoupling of ancestry and traits, with implications for understanding social meaning of physical traits.

SourceStanford University·JournalAmerican Journal of Physical Anthropology·DateApr 5, 2021

Understanding how cancer can relapse

Researchers discovered a cell-to-cell communication network that instructs tumor cells in tissues to regrow after genotoxic therapy. The study found that elevated p53 levels and release of interleukin-6 signal cells to activate growth signals, leading to tumor regrowth.

SourceUniversity of Missouri-Columbia·JournalCommunications Biology·DateApr 5, 2021

Doping by athletes could become tougher to hide with new detection method

Researchers have developed a new method using ion mobility-mass spectrometry to detect existing and emerging dopants in urine samples. This approach aims to characterize and identify banned substances, including steroids and glucocorticoids, and potentially predict the structure of newly created illicit steroids.

SourceAmerican Chemical Society·DateApr 5, 2021
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.

Making the case for adjusting quality measures for social risk factors

A new analysis by researchers led by Dr. David Nerenz of Henry Ford Health System suggests that accounting for social risk factors like poverty, housing instability and transportation insecurity can have a meaningful impact on healthcare quality measures without compromising quality of care. The study makes the case for using social ri...

SourceHenry Ford Health·JournalHealth Affairs·DateApr 5, 2021

Association of sociodemographic factors, blood type with risk of COVID-19

Researchers investigated the association of sociodemographic factors, including age, sex, ethnicity, and socioeconomic status, with the risk of SARS-CoV-2 infection. The study found a significant link between certain blood types and increased risk of severe COVID-19. Participants with type O negative blood were more likely to experienc...

SourceJAMA Network·JournalJAMA Network Open·DateApr 5, 2021
Fluke 87V Industrial Digital Multimeter

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

CNIC scientists identify mutations acquired by blood cells that accelerate heart failure progression

A study published in JACC reveals that clonal hematopoiesis, a phenomenon where acquired DNA mutations accelerate heart failure progression, is an independent risk factor. The presence of specific mutant clones, including those with TET2 and DNMT3A mutations, increases the risk of hospitalization and death from heart failure.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalJournal of the American College of Cardiology·DateApr 5, 2021

Unique mini-microscope provides insight into complex brain functions

A unique head-mounted mini-microscope device has enabled researchers to image complex brain functions of freely moving mice in real time over a period of more than 300 days. The device, known as the mini-MScope, allows holistic imaging of much of the mouse brain surface and captures connections between regions across the cortex.

SourceUniversity of Minnesota·JournalNature Methods·DateApr 5, 2021
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.

Streamlining the process of materials discovery

Researchers at KAIST develop M3I3 Initiative to speed up materials development using multiscale/multimodal imaging and machine learning. The team creates a quantitative model using machine learning and presents a future outlook for advancements in materials science.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalACS Nano·DateApr 4, 2021

Less sugar, please! New studies show low glucose levels might assist muscle repair

Researchers found that skeletal muscle satellite cells proliferate better in low glucose environments, contrary to conventional wisdom. This discovery could lead to significant breakthroughs in biomedical research and the development of new treatments for muscle loss associated with diabetes.

SourceTokyo Metropolitan University·JournalFrontiers in Cell and Developmental Biology·DateApr 3, 2021
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.

Scientists developed a safe and cheap technology of disinfection of the packed eggs

Researchers developed a safe and cheap technology to disinfect packed eggs with an electron beam. The technology kills bacteria without affecting the quality of meat or eggshell composition. Healthy chickens emerge from disinfected eggs, leading to improved immunity against diseases like Newcastle disease.

SourceUral Federal University·JournalFood and Bioproducts Processing·DateApr 2, 2021

Announcing the launch of Global Africa, a new African academic journal

Global Africa aims to report on various issues in Africa and worldwide, fostering international-level evaluation standards. The journal's launch is part of a program that includes training courses, pop-up seminars, and conferences to cultivate African research production and dissemination ecosystem.

SourceInstitut de recherche pour le développement·DateApr 2, 2021

Science snapshots from Berkeley Lab -- April 1, 2021

Researchers used X-ray microscopy to analyze lithium batteries and employed machine learning to speed up the learning curve about process that shortens battery life. Infrared microscopy also goes off-grid with new technique, enabling time-sensitive experiments and broadening biological spectromicroscopy scope.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Materials·DateApr 2, 2021
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.

Realtime imaging of female gamete formation in plants

Researchers from Nagoya University successfully capture images of female gamete formation in Arabidopsis thaliana, revealing how cell fate is determined and providing insights into plant adaptation. The study's findings have significant implications for understanding fertilization rates and environmental resistance in plants.

SourceInstitute of Transformative Bio-Molecules (ITbM), Nagoya University·JournalPLOS Biology·DateApr 2, 2021

Science has not kept pace with aquaculture

A new analysis found that only 84 of the 408 farmed species had available scientific studies on their welfare, while the majority lacked information. The researchers warn that aquaculture's expansion poses great risks to individual animal lives due to insufficient knowledge.

SourceNew York University·JournalScience Advances·DateApr 2, 2021