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Science News Archive June 2019


Page 22 of 41

A rapid, easy-to-use DNA amplification method at 37°C

Researchers have developed L-TEAM, a low-temperature DNA amplification method that works at body temperature, enabling highly sensitive nucleic acid detection. The method reduces non-specific amplification errors, making it suitable for disease diagnostics and biosensors.

UCPH researchers on hunt for sustainable super crop recipe

Researchers at the University of Copenhagen are working on a six-year collaborative project to develop more resilient crops using beneficial microorganisms. The goal is to create crops that can thrive in an environmentally friendly manner, reducing the need for pesticides and fertilizers.

Can we still have fun if the UK goes carbon neutral?

Researchers from the University of Surrey found that ideal leisure activities for happiness and carbon reduction include goal-oriented pastimes like sports, reading, and socializing. However, these activities can be done in low or high carbon ways, emphasizing the need for a two-pronged approach to address long-distance travel.

American football: The first quarter is crucial

Researchers found that NFL players are disproportionately born in January through March, suggesting a link between early birth and athletic success. The study highlights the importance of physiological factors beyond player control on athletic performance.

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.

Small cluster of neurons is off-on switch for mouse songs

Researchers at Duke University have identified a key cluster of neurons in the mouse brain responsible for producing ultrasonic 'songs.' By controlling these neurons, scientists can make a mouse sing or not on command. The discovery sheds light on the mechanisms that allow humans to form speech and communication sounds.

Study develops updated national birth weight reference

A new paper provides an updated national birth weight reference for the United States using the most recent, nationally representative birth data. The study aims to improve clinical indicator of morbidity and long-term health outcomes in children and their mothers by addressing previous limitations.

Scientists investigate climate and vegetation drivers of terrestrial carbon fluxes

A global dataset analysis revealed exponential increases in gross primary productivity (GPP) and ecosystem respiration (ER) with mean annual temperature (MAT), with maximum leaf area index (LAI) as a key factor determining carbon fluxes across all biomes. The model explained 53% of GPP variations and 48% of ER variations, highlighting ...

Noninvasive prenatal diagnosis for fetal sickle cell disease moves a step closer

A new non-invasive prenatal test has been developed to diagnose sickle cell disease in unborn babies. The test uses cell-free fetal DNA and has shown promising results, with successful diagnoses achieved in 21 out of 24 pregnancies. Further development and validation are needed before the test can be introduced into clinical practice.

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.

USC study finds e-cigarette cartoon ads may increase likelihood of vaping

A new USC study finds that exposure to cartoon-based advertisements for e-cigarettes may increase the likelihood of vaping among young adults. Cartoon images are being used by e-liquid companies and online vendors to market their products, and recognition of these images is associated with a greater potential for use.

Hubble sets sights on an explosive galaxy

The Hubble Space Telescope has observed multiple supernovae in the spiral galaxy NGC 4051, revealing Type Ic supernovae produced by massive star core collapse. These events are scattered throughout the center and spiral arms of the galaxy.

Apple iPhone 17 Pro

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

Dickkopf-related protein 3 (DKK3) predicts AKI

A new biomarker, urinary DKK3, has been identified as a predictor of acute kidney injury (AKI) in patients undergoing cardiac surgery. High preoperative levels of DKK3 are associated with lower kidney function and increased risk of AKI.

The challenges of North American specialty cut flowers

The study reveals that the main perceived production problem is insect management, followed by crop timing and disease management. The survey also highlighted common postharvest issues such as temperature management, hydration, and flower food management, with hydration and vase life being the top concerns.

Electron (or 'hole') pairs may survive effort to kill superconductivity

Researchers found that even after losing ability to carry electrical current with no energy loss, materials retain some conductivity and possibly electron pairs required for superconductivity. The discovery supports the role of 'charge stripes' in formation of charge-carrier pairs essential to resistance-free flow of electrical current.

Meta Quest 3 512GB

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

Discovery of new mutations may lead to better treatment

Researchers analyzed genomic data from over 31,000 parent-child trios and identified 307 significantly enriched genes, 49 of which are novel. The study explains about 51% of the DNM burden in their dataset, leaving half unexplained, providing clues for future discovery.

A shady spot may protect species against rapid climate warming

Researchers create mathematical framework to estimate cost-benefit trade-off of seeking shade in a warming world. The framework predicts that 17 insect species will experience 'behavioral rescue' and improve their fitness, while 19 are likely to be negatively impacted by rising temperatures.

What drives Yellowstone's massive elk migrations?

A new study led by University of California, Berkeley researchers found that elk primarily rely on environmental cues, such as a retreating snowline and greening grasses, to decide when to migrate. The study used GPS tracking data from over 400 animals and satellite imagery to create a comprehensive model of the migrations.

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.

Snack peppers find acceptance with reduced seed count

A recent study investigated the desirability and practicality of producing snack peppers with low seed count. The findings revealed that true breeding pepper lines with reduced fruit seed count exhibited significantly reduced seed count, making them more suitable for specialty markets.

How Sweden went from 'least democratic' to welfare state

A new study by Lund University economist Erik Bengtsson challenges the myth that Sweden became a social democracy due to a tradition of independent farmers and a lack of nobility. Instead, he argues that the temperance movement's organisational culture and free churches played a crucial role in shaping the Swedish welfare state.

Better prognosticating for dogs with mammary tumors

Researchers develop a bio-scoring system to improve prognostication for dogs with mammary tumors, identifying those at higher risk of metastasis. The system uses tumor stage, grade, and histological type to provide a clearer picture of treatment options.

Using waves to move droplets

Scientists have developed a method to transport individual droplets using transverse surface waves, enabling more efficient applications in lab-on-a-chip systems and self-cleaning surfaces. This technology also opens up possibilities for harvesting moisture from the air and improving blood tests.

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.

One class in all languages

Researchers at NAIST created a deep learning-based system to transcribe Japanese lecture speech and translate it into English with near-realtime accuracy. The system uses archived lecture videos with subtitles in both languages, achieving better translations than traditional live translation methods.

NASA finds Tropical Cyclone's Vayu getting stretched

Tropical Cyclone Vayu is weakening due to increasing vertical wind shear, causing it to elongate and potentially intensify into a hurricane. The Joint Typhoon Warning Center predicts landfall near the India/Pakistan border by June 17.

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.

WVU researcher studies new treatment for pancreatic cancer

Researchers found that FOLFIRINOX prolonged patients' lives by an average of 22.2 months, increasing the chances of complete tumor removal through surgery. More than two-thirds of cancers responded well to treatment, allowing for surgical removal.

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.

Breaking the code: How is a mother's immunity transferred to her baby?

Researchers identified factors contributing to placental transfer of antibodies, including a preference for NK-activating antibodies that activate natural killer cells. This knowledge can be used to develop more effective maternal vaccines and deliver them during pregnancy to protect newborns from serious diseases like polio.

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.

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.

New assay detects patients' resistance to antimalarial drugs from a drop of blood

A new assay has been developed to detect patients' resistance to antimalarial drugs using whole blood, providing critical information quickly and efficiently in resource-limited settings. The technique eliminates DNA extraction steps, allowing for faster and more accurate assessment of genetic data associated with drug resistance.

New 'king' of fossils discovered in Australia

A new species of trilobite, Redlichia rex, has been found in Australia, providing insights into the Cambrian 'explosion' and the evolution of defence mechanisms. The discovery reveals a giant size and formidable legs, suggesting an 'arms race' with predators.

Researchers identify hidden brain signals behind working memory

A new study has found that artificial manipulation of brain signals can improve working memory in rats, with extended ripples capturing more information when learning a new place. The findings offer insights into the mammalian brain's mechanisms and may guide future treatments for memory disorders.

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.

Genetic inequity towards endocrine disruptors

Researchers at UNIGE identified genetic causes of susceptibility to phthalates, a common endocrine disruptor, which affects fertility and sperm quality. The study revealed that epigenetic changes caused by phthalate exposure can be passed down to future generations.

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.

Bitcoin causing CO2 emissions comparable to Hamburg

A recent study by Technical University of Munich analyzed hardware manufacturers' IPO filings and Bitcoin mining IP addresses to calculate the cryptocurrency's carbon footprint. The research team found that the energy consumption associated with Bitcoin use is real and comparable to cities like Hamburg and Las Vegas.

New application can detect Twitter bots in any language

Researchers at the University of Eastern Finland developed a machine learning-based application to detect Twitter bots across languages. The tool achieved high accuracy, classifying 15,000 tweets from Finnish, Swedish, and English, and can quickly process vast amounts of data.

Celestron NexStar 8SE Computerized Telescope

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