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Science News Archive 2019


Page 75 of 486

NASA provides an infrared analysis of typhoon Halong

Typhoon Halong strengthened in the Northwestern Pacific Ocean with NASA's Terra satellite analysis, showing strong storms with extremely cold cloud top temperatures. The storm is expected to move northwest and strengthen further over open waters.

Emergency department admissions of children for sexual abuse

This study analyzed emergency department admissions of children for sexual abuse between 2010 and 2016, providing insights into the scope of the issue. The findings highlight the need for increased support services and resources for affected children and families.

Apple iPhone 17 Pro

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

New tornado casualty analysis will improve future predictions

Tyler Fricker's study analyzed nationwide tornado casualty data to identify high-risk regions and community-level factors influencing casualties. The results suggest that regional susceptibility to high-casualty events is more complex than previously thought, with factors beyond mobile home ownership and low income contributing to high...

Scientists discover how potent bacterial toxin kills MRSA bacteria

Researchers at the University of Sheffield have discovered that a bacterial toxin, lysostaphin, targets and breaks down MRSA cell walls, making it effective against antibiotic-resistant superbugs. This finding could lead to the development of new treatments targeting the same mechanism.

Daylight Saving Time has long-term effects on health

Daylight Saving Time transitions can have lasting impacts on health, causing biologic clocks to become desynchronized and increasing the risk of heart attacks and ischemic strokes. Average sleep duration shrinks by 15-20 minutes during DST, potentially leading to fatal accidents.

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.

Cynical social media voices can erode trust in news media

A Rutgers study found that cynical online views are the most influential on a person's trust in news media, while face-to-face interactions with like-minded people have a stronger impact. The study suggests that social media can make it harder to separate opinion from fact and bias from well-reasoned arguments.

Whether direct or indirect, parental alienation harms families

A new study by Colorado State University researcher Jennifer Harman found that mothers use more indirect alienating strategies, while fathers use a mix of direct and indirect tactics. This can lead to children's ultimate rejection of parents for false reasons, creating an 'enmeshed identity' with the alienator.

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.

Cognitive ability, grit, and success

A study analyzing data from over 10,000 cadets found that noncognitive attributes like grit were better predictors of graduation than cognitive ability. Cognitive ability was strongly linked to academic and military grades, while physical ability predicted physical grades.

The fetal brain possesses adult-like networks

Research published in JNeurosci found that fetal brains possess adult-like networks by 20-40 weeks gestation. The study discovered a 61% overlap in motor, visual, auditory, and cognitive functions between fetal and adult connectomes.

Is physical activity always good for the heart?

Research finds high-intensity sporting physical activity improves neural baroreflex, while physical activity at work is associated with abnormal neural baroreflex and greater arterial stiffness. Chronic, strenuous activity at work may pose a risk to cardiovascular health.

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.

Study reveals how brain injury can lead to post-traumatic stress disorder

Researchers at UCLA have discovered that a traumatic brain injury causes changes in the amygdala, leading to increased fear responses and PTSD symptoms. The study found that rats with brain injuries exhibited abnormal neural activity in the amygdala and thalamus, suggesting potential new targets for treating PTSD.

Study decodes gene function that protects against type 2 diabetes

A recent study has identified the gene function that protects against type 2 diabetes, revealing a zinc transporter's role in insulin secretion. The research found that individuals with a specific mutation in the SLC30A8 gene have enhanced glucose-stimulated insulin secretion and reduced blood sugar levels.

Gene variant may help protect against Alzheimer's disease

A new study identified a gene variant that may delay or prevent Alzheimer's disease. Carrying two copies of the APOE3ch variant may limit tau pathology and neurodegeneration, allowing individuals to age with fewer cognitive impairments. Researchers hope this finding can lead to new treatment strategies for Alzheimer's disease.

Overexpression of maize gene improves yield

Increasing maize gene zmm28 expression improves grain yield, nitrogen uptake, and photosynthetic activity in field tests, according to researchers. Altering a single gene's expression can lead to significant yield improvements, suggesting new avenues for genetic engineering approaches.

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.

Elusive cancer-related protein captured in flight

Researchers at Linköping University have successfully captured the instantaneous image of the MYC protein bound to TBP, shedding light on its role in cancer. The study reveals that MYC's adaptability and dynamic structure enable it to interact with over 300 proteins, making it a promising target for new cancer therapies.

Complex society discovered in birds

Researchers found multilevel societies in a population of over 400 adult birds, with stable membership and associations between groups based on preference. This discovery raises questions about the evolution of complex societies and provides clues about the mechanisms underlying social behavior.

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.

Microbiologist Karen Lloyd awarded $2.5M grant for permafrost research

Karen Lloyd's research focuses on the effects of thawing permafrost on the environment, examining microbial processes that break down soil organic carbon and release greenhouse gases. By understanding these processes, future predictions can be made about the impact of microbial communities' activities on changes in released gases.

Evaluating mind-body therapies for opioid-treated pain

A comprehensive review of mind-body therapies found associations with lower opioid use and better pain outcomes. The study combined data from multiple studies, providing evidence for the effectiveness of these interventions in managing chronic pain among adults on opioids.

Scientists spy unstable semiconductors

Researchers from Cardiff University have discovered metastability in gallium arsenide compound semiconductor material, a phenomenon that could affect device stability. The findings could lead to improved materials and structures for electronic devices, such as smartphones, GPS, and satellites.

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.

From cone snail venom to pain relief

Researchers have discovered a class of analgesics in conotoxin peptides, which are found in the venom of marine cone snails. These peptides show exceptional potency and selectivity for ion channels involved in pain transmission, offering new avenues for pain therapy.

Single discrimination events alter college students' daily behavior

Researchers analyzed data from Fitbit Flex 2 devices and phone apps to understand the impact of individual discrimination events on college students' daily lives. On average, students who experienced unfair treatment were more physically active, interacted with their phones more, and spent less time in bed.

Solid condensation in Solar protoplanetary disk

Large light silicon isotope enrichments suggest rapid solid formation during local temperature fluctuations within the disk. The discovery challenges conventional understanding of planetary disk evolution and formation of first solids.

Voyager 2 reaches interstellar space

Researchers confirm Voyager 2's entry into interstellar space with a plasma density jump detected by an Iowa-led instrument. The spacecraft crossed into the ISM at a distance of over 11 billion miles from the sun, providing valuable clues to the structure of the heliosphere.

Celestron NexStar 8SE Computerized Telescope

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

Stressed to the max? Deep sleep can rewire the anxious brain

A new study published in Nature Human Behaviour found that deep sleep can calm the anxious brain by reorganizing connections. Participants who got more nighttime deep sleep experienced lower anxiety levels the next day, suggesting a strong causal connection between sleep and anxiety.

Mercury in fish from Lake Michigan

A study found declining mercury concentrations in lake trout from Lake Michigan, likely due to domestic emissions reductions. However, changes in fish diets and growth rates due to zebra mussel invasions slowed these declines.

Commemorating 30 years of optical vortices: A comprehensive review

The development of optical vortices has been divided into three stages: fundamental theories, application development, and technology breakthrough. The recent stage has seen significant advancements in metasurface and OAM-multiplexing, enabling high-capacity optical communication and novel nonlinear phenomena.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Better teleoperations with a less complicated system

A team of international researchers has developed a new control algorithm that reduces the complexity of bilateral teleoperation systems while maintaining their performance. The proposed composited stated convergence scheme achieves this by reducing communication channels, resulting in better transient performance.

Fish oil supplements have no effect on anxiety and depression

A systematic review of 31 trials found that omega-3 supplements offered no benefit in preventing depression or anxiety symptoms. The research team analyzed data from over 41,470 participants and concluded that the supplements should not be encouraged as a treatment for these conditions.

30-day death rates after emergency department visits

Researchers analyzed 30-day mortality rates following ED visits, finding a significant increase in deaths among elderly patients. The study used Medicare data from 2009 to 2016 and found that the 30-day death rate for emergency department visits increased significantly during this period.

In classical and quantum secure communication practical randomness is incomplete

A new study reveals that true random bit sequences are impossible to generate, even in classical and quantum secure communication. The researchers demonstrated a method of classified secure communication where information is concealed from hackers. They also showed that long sequences certified by NIST are far from being truly random.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Study highlights fluid sexual orientation in many teens

A study of 744 rural high school students found that at least 19% reported changes in their self-labeled sexual identity over a three-year period. Notable differences were seen between male and female students, with girls reporting more changes than boys.

How much do we lie when we have sex on the brain?

A study published in the Journal of Experimental Social Psychology found that people are more likely to change their attitudes and engage in deceptive self-presentation when they are sexually primed. Participants who were exposed to sexual stimuli were more likely to express agreement with a contrary opinion and conform to a stranger's...

Ramping up to divide: An unstable protein is the master switch for cell division

Scientists at the University of Groningen discovered that an unstable protein, Cln3, triggers cell division in budding yeast by assessing environmental conditions favorability for protein production. The concentration of Cln3 peaks before initiating division, indicating a decoupling between protein synthesis and metabolic processes.

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.

Study finds teen vaping probably doesn't lead to smoking

A new study suggests that adolescent e-cigarette users are more similar to conventional cigarette smokers than non-tobacco users. E-cigarette use is not associated with an increased risk of current smoking among teens, but its prevalence has risen significantly among youth in recent years.

End of life carers should have six months paid leave, say experts

A new guide published by University of Sheffield researchers suggests that end-of-life carers should be entitled to up to six months paid time off work and job safeguards. The study highlights the economic benefits of supporting working carers, who can provide valuable services to society while reducing the burden on the NHS.

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.

Adhesive which debonds in magnetic field could reduce landfill waste

Researchers at the University of Sussex have developed an adhesive that can unstick when exposed to a magnetic field, allowing for easy disassembly and recycling of products. The adhesive works with various materials, including plastic, wood, glass, and metal, and is comparable in strength to industry-standard adhesives.

Too good to be true?

A new study from Harvard Medical School suggests that an overall decline in hospital admissions may have driven the observed drop in readmissions, rather than the pay-for-performance program. The findings contradict prevailing interpretations and call into question the program's effectiveness.

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.

Discriminating diets of meat-eating dinosaurs

A new study by University of Bristol scientists reveals that meat-eating theropod dinosaurs had broadened their food base. The researchers analyzed the jaws and teeth of 83 theropod dinosaurs, including giants and small ones, to describe every possible jaw shape and tooth shape in terms of about 80 measurements.

New way to date rocks

University of Queensland scientists have identified a new reference material and used a state-of-the-art instrument to better date rock formations in central Asia. This new method could help establish the relationship between historical episodes of magma activity and mineral accumulation.

New database enhances genomics research collaboration

The MaveDB database was developed to facilitate the sharing of complex functional genomic data sets, enabling researchers to access and interpret complex data more efficiently. This will accelerate research into gene function, disease mechanisms, and protein engineering.

Satellites are key to monitoring ocean carbon

Satellites are now essential for monitoring ocean carbon levels, which helps slow climate change. The new study highlights the potential of increased satellite exploitation to fill critical knowledge gaps in ocean monitoring.

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.

Simple blood test for early detection of breast cancer

Researchers have developed a simple blood test that detects breast cancer up to five years before clinical signs appear, identifying tumor-associated antigens and autoantibodies. The test shows promising accuracy in detecting breast cancer with reasonable accuracy, especially when using panels of multiple antigens.

Dietary fiber effectively purifies carbon nanotubes

A new method uses isomaltodextrin, a cheap and widely available polysaccharide, to separate semiconducting from metallic single-wall carbon nanotubes. The purified semiconducting SWCNTs were found to improve the performance of thin-film transistors in LCD displays.