Add BrightSurf on Google Email

Science News Archive January 2021 - Page 18


Page 18 of 40

Bonobos, chimpanzees, and oxytocin

A new study from Kyoto University found that oxytocin influences eye contact in bonobos and chimpanzees differently, promoting species-specific behaviors. The hormone shifted attention more to eyes in images for bonobos, while chimps focused on mouths.

SourceKyoto University·JournalPsychoneuroendocrinology·DateJan 20, 2021

Breakthrough in understanding 'tummy bug' bacteria

Researchers at the University of Exeter have identified a population of dormant Vibrio parahaemolyticus bacteria that are better equipped to revive when conditions improve. The study also discovered an enzyme involved in this process, which breaks down lactic acid into pyruvate, allowing the bacteria to survive for extended periods.

SourceUniversity of Exeter·JournalPLOS Pathogens·DateJan 20, 2021

Researchers improve data readout by using 'quantum entanglement'

The study demonstrates how to harness quantum entanglement to reduce energy fluctuations and enhance the readout of information from digital memories. This breakthrough has potential applications in large databases, next-generation computers, spectroscopy, and bio-imaging.

SourceUniversity of York·JournalScience Advances·DateJan 20, 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.

Squid-inspired robot swims with nature's most efficient marine animals

A flexible underwater robot developed by University of Southampton and University of Edinburgh can swim as quickly and efficiently as squid and jellyfish, thanks to resonance technology. The robot's soft exterior and lightweight design make it ideal for operating near sensitive environments.

SourceUniversity of Southampton·JournalScience Robotics·DateJan 20, 2021

California harbor porpoises rebound after coastal gillnetting stopped

A new study reveals that California's coastal gillnet fisheries took a greater toll on harbor porpoises than previously thought, with the population recovering dramatically since their ban. The Morro Bay stock has rebounded by seven-fold, from an estimated 570 animals in 1991 to approximately 4,200 porpoises today.

SourceNOAA Fisheries West Coast Region·JournalMarine Mammal Science·DateJan 20, 2021

Antidepressants largely ineffective for back pain and osteoarthritis

A systematic review of antidepressant effectiveness for back and osteoarthritis pain found small, insignificant benefits for some patients. The evidence suggests that antidepressants may not be a worthwhile treatment option for chronic pain, highlighting the need for large-scale, industry-free trials.

SourceBMJ Group·JournalThe BMJ·DateJan 20, 2021
Apple iPhone 17 Pro

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

Two-photon polymerization of PEGda hydrogel microstructure with low threshold power with green laser

A team of scientists has developed a novel hydrogel formula based on PEGda and HMPP for 3D direct laser writing (DLW) with low threshold power using a green laser. The new formula enables the fabrication of precise microstructures with high resolution and mechanical stability, suitable for biomedical engineering applications such as wo...

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateJan 20, 2021

Message in a bottle: Info-rich bubbles respond to antibiotics

Researchers found that membrane vesicles, which carry biological information between bacteria and cells, produce more info-rich bubbles in response to antibiotics. This may lead to the transmission of warning signals to neighboring cells and potentially foster antibiotic resistance.

SourceArizona State University·JournalScience Advances·DateJan 20, 2021

The physics behind tumor growth

Researchers at Duke University developed a predictive theory for tumor growth that approaches the subject from a new point of view, using thermodynamics and physical space. The results demonstrate how a tumor's growth is directly tied to its need to create greater access to flowing nutrients and conduits for removing refuse.

SourceDuke University·JournalBiosystems·DateJan 20, 2021

Balancing brain cell activity

Brain cells produce brief electrical impulses triggered from highly specialized regions that adapt to sensory experiences. The study found that these trigger sites shrink with increased experiences and grow larger with reduced input.

SourceNetherlands Institute for Neuroscience - KNAW·JournalNature Communications·DateJan 20, 2021
Meta Quest 3 512GB

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

Getting shapes into numbers

A new approach to describing shapes uses a network representation called visibility graph, allowing for comparison and reassembly of complex shapes. The tool, GraVis, accurately quantifies shape parameters such as lobe length and cell area.

SourceMax-Planck-Gesellschaft·JournalNature Communications·DateJan 20, 2021

Researchers study what happens to your body during tailgating

Researchers studied 18 men's livers after a day of eating and drinking, finding some responded by increasing fat storage while others reduced it. The study suggests that high carbohydrate consumption may protect the liver, contradicting typical associations with alcohol.

SourceUniversity of Missouri-Columbia·JournalAlcohol·DateJan 20, 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.

Innovations through hair-thin optical fibres

Researchers at the University of Bonn have created miniaturized optical fiber filters that are color-tunable and extremely compact. These filters have promising applications in quantum technology and sensor development, enabling efficient storage and manipulation of light energy.

SourceUniversity of Bonn·JournalOptics Express·DateJan 20, 2021

Tiny high-tech probes reveal how information flows across the brain

Researchers used 'Neuropixels' probes to capture electrical signals from hundreds of neurons, revealing how visual information flows across the brain. The study found a hierarchy of neural activity, with lower areas representing simpler concepts and higher levels capturing complex ideas.

SourceAllen Institute·JournalNature·DateJan 20, 2021

Improving long-term climate calculations

Researchers have developed a new method to improve estimations of ultimate global warming from complex climate models, relevant for accurate projections of future climate change. By adding another observable on top of traditional ones, the method reduces uncertainties in long-term calculations.

SourceUniversity of Copenhagen - Faculty of Science·JournalGeophysical Research Letters·DateJan 19, 2021
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.

Online courses reinforce inequalities

A study by Université de Genève found that online courses deepen inequalities between high-potential and struggling students by 5%. The research suggests that different behaviour patterns, such as preferring face-to-face classes or streaming, contribute to these disparities.

SourceUniversité de Genève·JournalJournal of the European Economic Association·DateJan 19, 2021

Do children view punishment as rehabilitative? A new study takes a look

A new study by Columbia University researchers found that children but not adults report 'mean' individuals becoming nicer after severe punishment. Adults, however, believe that 'nice' individuals become less nice following incarceration. The study suggests that with age, people in the US become increasingly pessimistic about punishmen...

SourceSociety for Research in Child Development·JournalChild Development·DateJan 19, 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.

Dinosaur-era sea lizard had teeth like a shark

A new species of mosasaur with shark-like cutting teeth has been discovered in Morocco, highlighting the diverse range of predators that thrived in ancient seas. The discovery suggests that marine reptiles were expanding their diversity before they went extinct, contradicting previous assumptions about ecosystem decline.

SourceUniversity of Bath·JournalCretaceous Research·DateJan 19, 2021

With a little help from their friends, older birds breed successfully

A study by University of Groningen researchers found that older female Seychelles warblers benefit from having helpers when raising their young. The data show that social behaviour increases reproductive success for older females, compensating for age-related declines in parental care.

SourceUniversity of Groningen·JournalEvolution Letters·DateJan 19, 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.

Constructing termite turrets without a blueprint

Scientists have created a mathematical framework to understand how termites construct intricate mounds without a plan. By analyzing the spacing and arrangement of floors and ramps, researchers have made predictions for the spontaneous formation of linear and helical ramps, shedding light on swarm intelligence.

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalProceedings of the National Academy of Sciences·DateJan 19, 2021

Fastener with microscopic mushroom design holds promise

Researchers have developed a Velcro-like fastener with a microscopic mushroom design that uses softer materials and still provides strong interlocking force. This design has potential for quiet operation and can be used in various applications such as diapers, soft robotics, and grippers for robots.

SourceAmerican Institute of Physics·JournalBiointerphases·DateJan 19, 2021

All-purpose dinosaur opening reconstructed for first time

Researchers have reconstructed a small Psittacosaurus dinosaur's all-purpose opening for the first time, comparing it to modern vertebrates. The cloaca displays pigmentation and features reminiscent of crocodilians and baboons, potentially indicating display and signaling functions.

SourceUniversity of Bristol·JournalCurrent Biology·DateJan 19, 2021
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.

Teachers having to work harder than any other professionals, says study

A recent study published in the Oxford Review of Education found that teachers are working harder than any other occupation, with nine out of ten saying their job demands a very high level of input. The study also reveals declining job quality, including decreased influence over tasks and work-related well-being.

SourceTaylor & Francis Group·JournalOxford Review of Education·DateJan 19, 2021

Well-built muscles underlie athletic performance in birds

Researchers studied seabirds' flight performance and found that birds with larger muscle fibers flew faster despite beating their wings less frequently. They also discovered that birds with a higher number of nuclei in their muscle cells could activate more muscle fibers to power flight.

SourceMcGill University·JournalJournal of Experimental Biology·DateJan 19, 2021

Fatty acid may help combat multiple sclerosis

A new Yale University study finds that a lack of oleic acid in fat tissue can trigger an abnormal immune response in multiple sclerosis. Introducing oleic acids into fatty tissue increased regulatory T cells, which can help combat the disease.

SourceYale University·JournalJournal of Clinical Investigation·DateJan 19, 2021

Brain cell network supplies neurons with energy

Oligodendrocytes form a key part of the brain's energy supply network, working alongside astrocytes to transport energy-rich compounds to synapses. Without this network, neurons can't communicate effectively.

SourceUniversity of Bonn·JournalCell Reports·DateJan 19, 2021
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

How short circuits in lithium metal batteries can be prevented

Researchers from Chalmers University of Technology have developed concrete guidelines for charging and operating lithium metal batteries to minimize the risk of short circuits. By optimizing charge parameters, the team aims to create safer and more efficient batteries with higher energy density.

SourceChalmers University of Technology·JournalAdvanced Science·DateJan 19, 2021

New clues help explain why PFAS chemicals resist remediation

Researchers from the University of Houston and Oregon State University have discovered that water-in-oil microemulsions formed by firefighting foam can retain high levels of PFAS in soil, making remediation difficult. This new understanding may help identify contamination sources and develop new clean-up methods.

SourceUniversity of Houston·JournalEnvironmental Science & Technology Letters·DateJan 19, 2021

ALS study reveals a unique population

Researchers have discovered that Maltese patients with ALS do not have flaws in the C9orf72, SOD1, TARDBP, and FUS genes, which are common in European ALS cases. Instead, a higher percentage of Maltese patients without a family history of ALS have harmful DNA mutations in rarely damaged genes.

SourceUniversity of Malta·JournalEuropean Journal of Human Genetics·DateJan 19, 2021

BU researcher awarded NIH grant for brain imaging study

Researchers at Boston University School of Medicine are developing a novel brain imaging technique to detect chronic traumatic encephalopathy (CTE) in living patients. A two-year study involving former NFL players and controls aims to identify the tau protein associated with CTE using a second-generation tau PET tracer.

SourceBoston University School of Medicine·DateJan 19, 2021

Research finds tiny bubbles tell tales of big volcanic eruptions

Researchers have discovered that tiny bubbles in erupted lava can tell tales of big volcanic eruptions, and magnetite crystals may explain the staggering number of bubbles. Scientists used numerical models to reconcile differences between predicted and actual bubble amounts, leading to improved volcanic forecasts.

SourceRice University·JournalNature Communications·DateJan 19, 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.

Loneliness hits young people harder during lockdown

A study of 200,000 Europeans found that young people and those with preexisting mental health issues were disproportionately affected by lockdowns. The researchers emphasize the need for tailored public-health interventions to prevent long-term negative effects.

SourceUniversity of Copenhagen - The Faculty of Health and Medical Sciences·JournalThe Lancet Regional Health - Europe·DateJan 19, 2021

Drinking during COVID-19 up among people with anxiety and depression

A new study by NYU School of Global Public Health finds that people with anxiety and depression are more likely to report an increase in drinking during the COVID-19 pandemic. Drinking behaviors vary by age group, with younger adults under 40 being the most likely to report increased alcohol use.

SourceNew York University·JournalPreventive Medicine·DateJan 19, 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.

Butterfly anti-aphrodisiac and floral scent

A novel family of enzymes in butterflies produces (E)-beta-ocimene as an anti-aphrodisiac pheromone, similar to a floral attractant found in many flower scents. This independent evolutionary process highlights the convergent evolution of chemical signals across kingdoms.

SourcePLOS·JournalPLOS Biology·DateJan 19, 2021

Clocking electron movements inside an atom

A team of researchers has developed a method to synchronize X-ray and laser pulses, enabling precise measurements of Auger decay in neon gas. This breakthrough could help evade radiation damage in experiments studying exotic states of matter.

SourceTechnical University of Munich (TUM)·JournalNature Physics·DateJan 19, 2021

Loss of smell is the best sign of COVID-19

Researchers confirm COVID-19 is the primary cause of lost sense of smell in patients with respiratory infections. The disease also affects taste and other senses in the mouth, leading to prolonged discomfort for patients.

SourceAarhus University·JournalChemical Senses·DateJan 19, 2021

Fishing out the bad apples: Novel quantitative method to assess the safety of food

Researchers at Chung-Ang University have created a novel quantitative method to assess the safety of food, particularly for fish samples. By using fluorescent carbon nanoparticles and a protein that binds strongly to histamine, the team can accurately quantify histamine levels in fish samples with high sensitivity and specificity.

SourceChung Ang University·JournalBiosensors and Bioelectronics·DateJan 19, 2021
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.

Gene-editing 'scissor' tool may also be a 'dimmer switch'

Researchers at Johns Hopkins Medicine discovered that the gene-cutting system CRISPR-Cas9 can be used as a genetic dimmer switch, allowing scientists to develop new ways to genetically engineer cells. The long form of tracrRNA was found to repress CRISPR-related genes and protect bacteria from excessive activity.

SourceJohns Hopkins Medicine·JournalCell·DateJan 19, 2021

New approach emerges to better classify, treat brain tumors

Researchers developed a new method to classify brain tumors using RNA analysis, achieving high accuracy rates compared to traditional methods. The study found that this approach can identify patients with a worse prognosis and detect secondary glioblastomas not detected by other methods.

SourceMedical College of Georgia at Augusta University·JournalScientific Reports·DateJan 19, 2021

Different types of neurons interact to make reaching-and-grasping tasks possible

Researchers discovered that D1 and D2 neurons work together to perform reaching-and-grasping tasks, with D1 providing the early movement phase and D2 providing the final approach. This study sheds light on the complex mechanisms underlying motor function in the basal ganglia.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalCell Reports·DateJan 19, 2021
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.

Rush researchers demonstrate success with new therapy for COVID-19

Researchers at Rush University Medical Center have successfully tested a new peptide therapy that reduces fever, protects the lungs, improves heart function, and reverses cytokine storm in mouse models with COVID-19. The treatment also prevents disease progression and has potential as a post-vaccine measure to manage severe symptoms.

SourceRush University Medical Center·JournalJournal of Neuroimmune Pharmacology·DateJan 19, 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.