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Science News Archive January 2021


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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

Rocks show Mars once felt like Iceland

Researchers used data from Curiosity rover and Earth comparisons to determine temperature impact on Martian rocks, finding it was the biggest factor in weathering sediments.

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.

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.

Meta Quest 3 512GB

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

Astronomers estimate Titan's largest sea is 1,000-feet deep

Cornell University researchers estimated the depth of Kraken Mare on Saturn's moon Titan to be at least 1,000 feet, using data from the Cassini mission. The sea is also massive, covering an area nearly as large as all five Great Lakes combined.

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.

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.

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.

Fluke 87V Industrial Digital Multimeter

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

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.

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.

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...

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.

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.

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.

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.

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.

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.

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.

Celestron NexStar 8SE Computerized Telescope

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

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.

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.

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.

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.