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Science News Archive March 2020


Page 27 of 41

Low-dose chest CT leaves DNA intact

A study found that low-dose chest CT scans used for lung cancer screening do not cause significant DNA damage or chromosome aberrations. The results suggest that the risks of low-dose CT are minimal, and it can be used for lung cancer screening.

Apple iPhone 17 Pro

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

Slime mold simulations used to map dark matter holding universe together

Researchers have successfully mapped the cosmic web's filamentary structure using a slime mold-inspired algorithm, providing insights into dark matter's role in shaping the universe. The study revealed that denser regions of intergalactic gas are organized into filaments that stretch over 10 million light-years from galaxies.

Poor sleep in infancy linked to behavioral and emotional problems in toddlers

Researchers at the University of Birmingham found a clear relationship between infant sleep problems and emotional and behavioral problems in toddlers. Infants who experienced frequent night wakings, short sleep duration, or difficulty falling asleep were more likely to show emotional and behavioral problems by 24 months.

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.

A novel biofuel system for hydrogen production from biomass

A novel biofuel system has been developed for hydrogen production from biomass, improving efficiency and reducing energy consumption. The system uses lignin as an electron donor to produce high-value-added compounds and extract electrons for hydrogen production.

Planet's largest ecosystems collapse faster than previously forecast

Research reveals large ecosystems like Amazon forests can collapse in 49 years and Caribbean coral reefs in just 15 years. This accelerated rate of transformation is attributed to the modular structure of larger ecosystems, which initially provides resilience but ultimately accelerates unraveling when a threshold is passed.

Making more MXene

Researchers at Drexel University have developed a lab-scale reactor system that can produce large quantities of MXene in bulk, preserving its unique properties. The system uses a computerized process to refine the material and ensures consistency, a critical step towards achieving manufacturing standards.

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.

New study confirms value of family meals

A new study published in the Journal of Nutrition Education and Behavior confirms that frequent family meals are associated with better dietary outcomes and improved family functioning. The research found a positive relationship between family meal frequency and increased fruit and vegetable consumption, as well as measures of family c...

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.

Chemists create new artificial enzyme

Chemists at the University of Miami have created an artificial enzyme with improved catalytic abilities. The new molecule is designed to tackle chemical reactions in industrial settings and could lead to the development of more efficient biofuel production, drug creation, and other applications.

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.

Injection strategies are crucial for geothermal projects

A new study analyzed temporal evolution of seismicity and growth of maximum observed moment magnitudes in various stimulation projects. The results show a clear linear relation between injected fluid volume and cumulative seismic moments for most projects, indicating that seismicity can be managed by changes in injection strategy.

Intel processors are still vulnerable to attack

Researchers at KU Leuven exposed a security flaw in Intel processors, revealing a vulnerability in SGX enclaves that can be exploited for sensitive information. The 'Load Value Injection' attack allows attackers to inject data into software programs, compromising passwords and other personal data.

Fatal overproduction of antibodies

Researchers identified a mutation responsible for destabilizing light chains, leading to the formation of deadly amyloid fibrils. The study provides new insights into the disease and potential diagnostic methods.

Pain researchers get a common language to describe pain

A new classification system for orofacial pain has been developed by international researchers, providing a common language for medical doctors and dentists to diagnose patients accurately. The system is expected to improve treatment outcomes for individuals suffering from chronic pain in the mouth, jaws, and face.

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.

Patient-friendly brain imager gets green light toward first prototype

Sandia National Laboratories has received funding to develop a patient-friendly brain imager that uses quantum sensors for more accurate and accessible measurements. The new system aims to enable people with chronic pain and motor disorders to participate in MEG scans, improving the accuracy of diagnoses.

Study shows CRISPR effectiveness against colitis pathogen

Researchers used CRISPR-Cas system to effectively target and eliminate specific gut bacteria, including Clostridioides difficile, the pathogen that causes colitis. The study demonstrates the potential of this approach in preventing disease and promoting human gut health.

Fluke 87V Industrial Digital Multimeter

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

Novel error-correction scheme developed for quantum computers

Researchers have developed a novel error-correction scheme that takes advantage of bosonic symmetry to encode information efficiently. This approach could reduce the number of physical qubits required, enabling the scaling up of experimental quantum computers.

Leaf-inspired surface prevents frost formation

Researchers at Northwestern University discovered a new way to reduce frost formation on any surface using a leaf-inspired design. The study found that the optimized surface structure reduces frost by up to 60% and can be defrosted with considerably less energy.

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.

Further evidence shows clinical viability of natural tooth repair method

Scientists at King's College London have found positive evidence that a natural tooth repair method has the potential to be translated into a clinical approach. The study discovered that reparative dentine produced is sufficient to repair cavities in human teeth, and the drug can activate repair up to ten times larger.

The axion solves three mysteries of the universe

Researchers propose axion as solution to three mysteries: matter-antimatter asymmetry, dark matter, and the strong CP problem. The axion's rotation creates a tiny excess of matter over antimatter, explaining why we exist.

The Lancet HIV: Study suggests a second patient has been cured of HIV

A study of a second HIV patient to undergo successful stem cell transplantation from donors with a HIV-resistant gene finds that there was no active viral infection in the patient's blood 30 months after they stopped anti-retroviral therapy. The patient had a healthy CD4 cell count, suggesting they have recovered well from the transplant.

Baboon mothers carry their dead infant up to 10 days

Researchers found that baboon mothers in the wild carry dead infants for varying lengths of time, with an average duration of three to four days. The mother's age, infant cause of death, and climate conditions may influence the length of time a mother carries her dead infant.

Immune cells against Alzheimer's?

Scientists have identified a specific antibody that binds to brain immune cells and triggers processes that enhance microglia activity. This stimulates the immune cells to detect and degrade abnormal protein deposits, known as plaques, more effectively, potentially providing better protection against Alzheimer's disease.

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.

Noncitizens are undertreated for heart attack, stroke risk factors

A new study published in Circulation found that noncitizens in the US are less likely to receive treatment for cardiovascular disease risk factors due to lack of insurance coverage and a usual source of care. The disparities were significant, with only 16.5% of noncitizens receiving treatment for high cholesterol.

Solved: The mystery of the expansion of the universe

A UNIGE researcher has solved a scientific controversy about the speed of the universe's expansion by proposing that it may not be homogeneous on a large scale. This approach eliminates a divergence between two independent calculation methods, which previously yielded conflicting values for the Hubble constant.

Chip for liquid biopsy will help to detect prostate cancer

Researchers developed a microfluidics device that isolates cancer cells from urine, achieving high detection rates of up to 85% and 86% for localized cancer cases. The new method provides an alternative to invasive tissue biopsies and blood tests with false positive results.

Celestron NexStar 8SE Computerized Telescope

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

Novel blood test points to risk of weight gain and diabetes

Researchers developed a computer program analyzing molecules in blood plasma to identify individuals at risk of becoming overweight and developing obesity-related diseases. The test is 90% accurate in detecting whether the subject will gain weight without intervention, also predicting diabetes and other health risks.

New branded PrEP not worth the high cost compared with generic formulation

A new branded HIV pre-exposure prophylaxis (PrEP) drug, emtricitabine/tenofovir alafenamide (F/TAF), has been approved but found not to be cost-effective compared to generic formulation F/TDF. The study suggests that the high cost of F/TAF may undermine efforts to expand access to PrEP for the most vulnerable populations.

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.

New study on COVID-19 estimates 5.1 days for incubation period

A new study by Johns Hopkins Bloomberg School of Public Health estimates the median disease incubation period for COVID-19 at 5.1 days, affirming earlier estimates and supporting the CDC's current 14-day quarantine period. This estimate suggests that about 97.5% of people develop symptoms within 11.5 days of exposure.

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.

How new data can make ecological forecasts as good as weather forecasts

A new study reveals that analyzing large-scale ecological patterns can help predict changes in ecosystems. Ecologists are using decades of weather data to forecast bird migrations and wildlife population fluctuations, which can inform conservation measures. The research aims to improve understanding of the climate-ecology link, enablin...

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.

Clotting problem

A team of researchers led by University of Delaware Professor Velia M. Fowler has made a groundbreaking discovery about MYH9-related disorders, a condition affecting 1 in 25,000 people. The study found that mutations in the MYH9 gene disrupt platelet formation and movement, leading to unstable clots and various health issues.

Aging and mitochondrial depolarization

Researchers found that mild mitochondrial depolarization minimizes damage from reactive oxygen species and serves an anti-aging function in naked mole rats and bats. This process involves the shuttle of ATP and ADP through the mitochondrial membrane to certain kinase metabolic sites.

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.

What is best time to deliver twins?

Researchers identified the optimal gestation week for twin births associated with the lowest risk of perinatal death and special education needs. Twins born between 32-34 weeks had the best outcomes.

Mathematical model could lead to better treatment for diabetes

Researchers developed a mathematical model to predict the behavior of glucose-responsive insulins in humans and rodents. The model identified optimal designs that could work well in both species, with about 13% predicted to be effective in both, and 14% in humans alone.