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Science News Archive 2019


Page 4 of 486

Threshold for Greenland ice sheet collapse

Researchers found that temperatures exceeding present levels longer than during past interglacials suggest the Greenland Ice Sheet's fate is influenced by duration of warming. The study suggests a possible threshold for significant GIS retreat may be less than 1 °C above current levels.

Apple iPhone 17 Pro

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

Locomotion in late Miocene hominoid

The Oreopithecus bambolii skeleton reveals that this late Miocene hominoid was not optimized for efficient 2-leg walking or climbing like living great apes. The species lacked key adaptations, such as pelvic stabilization and trunk stability during bipedal gait.

Chimpanzees more likely to share tools, teach skills when task is complex

A new study shows that chimpanzees using complex tools to gather termites are more likely to share tools with novices and teach them skills. This behavior has implications for the evolution of human cultural abilities, suggesting a greater role for social learning in transferring complex tool traditions.

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.

Capturing CO2 from trucks and reducing their emissions by 90%

Researchers at EPFL have developed a system to capture CO2 directly in trucks' exhaust systems, liquefy it, and convert it into conventional fuel using renewable energy. The process recovers most of the energy available onboard, with only 10% of emissions left unrecycled, which can be offset by biomass.

A fast and inexpensive device to capture and identify viruses

A fast and inexpensive device to capture and identify various strains of virus has been developed by researchers at Penn State and New York University. The VIRRION device uses arrays of nanotubes engineered to be comparable in size to a wide range of viruses, enabling rapid detection through Raman spectroscopy.

The birds and the bees and the bearded dragons

A new analytical method has been developed to address the limitations of estimating evolutionary history of various sex-determination systems. The method, based on male mutation bias, reveals that some species share an XY system for several million years before it is lost, as recently as 20-60 million years ago in some lineages.

Gone fishin' -- for proteins

Researchers used a new microscopic 'fishing' technique to snag thousands of proteins key to the cell skeleton. The team identified hundreds of individual proteins with yet-to-be-defined roles, including a protein called SLK that forges the link between RhoA and ERM.

Fluke 87V Industrial Digital Multimeter

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

Cultural evolution and animal range in China

A study on megafauna species distributions across eastern China over the last 2,000 years revealed strong declines for all five taxa. The expansion and intensification of agriculture, along with other cultural changes, were found to be key drivers of these declines.

Measuring mutations in sperm may reveal risk for autism in future children

A team of scientists has developed a way to quantify disease-causing mutations found only in the sperm of fathers, providing a more accurate assessment of autism spectrum disorder (ASD) risk in future children. The method uses deep whole genome sequencing and reveals that up to 15% of fathers' sperm cells contain such mutations.

New treatment Strategy may thwart deadly brain tumors

Researchers at Massachusetts General Hospital and the University of Florida have identified a promising strategy to make glioblastoma susceptible to immune checkpoint inhibitors. The approach targets chemokine receptors that allow myeloid-derived suppressor cells to infiltrate tumors, leading to immunosuppression and treatment resistance.

On-skin, passive-cooling electronics

Researchers created on-skin electronic devices with passive-cooling capabilities using a multiscale porous elastomer substrate. The devices demonstrated comparable performance to conventional electronics while being breathable, waterproof, and recyclable.

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.

'Tweezer clock' may help tell time more precisely

Researchers have developed a new optical atomic clock called the 'tweezer clock' that uses laser tweezers to manipulate individual atoms. This design combines the advantages of two existing approaches, offering improved accuracy and precision, and paving the way for advances in fundamental physics research and new technologies.

Electronics at the speed of light

Researchers at the University of Konstanz have successfully controlled ultrafast motion of electrons in a metallic nanocircuit using light manipulation. The new method could speed up electronic switching in devices, enabling faster processing and higher performance.

Tool sharing in wild chimpanzees

Researchers studied tool-sharing behaviors in wild chimpanzee populations, finding that mothers and females were more successful in acquiring tools. The study suggests a significant role for social learning in the context of complex tool use, potentially sharing an evolutionary origin with humans.

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.

2D materials: arrangement of atoms measured in silicene

Researchers quantify tiny height differences and detect different atom arrangements in silicene using low-temperature atomic force microscopy. The unevenness, known as buckling, influences the material's electronic properties, unlike graphene.

Science snapshots from Berkeley Lab

Researchers at Berkeley Lab have made significant strides in developing a novel cancer drug that targets KRAS gene mutations, as well as chelating heavy metals with artificial proteins. Additionally, scientists have discovered a natural mechanism in human tooth enamel that prevents cracks from forming, allowing teeth to last a lifetime.

EMBL co-develops new method that could facilitate cancer diagnosis

The scTRIP method allows for the study of genetic variations within a single cell and measures genetic changes directly as they form in new cells. Researchers found four times more variants in patient-derived leukaemia cells using scTRIP compared to standard clinical diagnostics.

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.

How to tell if a brain is awake

Researchers used rats to demonstrate that EEG doesn't always track with being awake, raising questions about interpreting EEG data in medical decisions. The study suggests certain EEG features may not accurately capture consciousness levels, but still have value in detecting unconsciousness.

Here's how public dissemination of biology is going wrong

The book Rethinking Biology highlights how biology is often oversimplified, leading to a false public understanding of biological processes. The authors study children and adults' perceptions, journalists' writing, legal contexts, and religious world views to shed light on this issue.

Time-to-death of Roman emperors followed distinct pattern

A statistical analysis of Roman emperors' deaths reveals a distinct pattern, with high risk in the first year and a bathtub-like curve indicating stabilization by the eighth year. The study suggests underlying processes governing the length of each rule until death, similar to reliability engineering.

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.

Apps help with breastfeeding -- at a cost

A study by Flinders University found that mobile apps support breastfeeding decisions but can also overwhelm mothers with information. The apps provide a modern way of tracking baby care aspects, but some may not be tailored to individual needs.

Flexible thinking on silicon solar cells

KAUST researchers have devised a way to turn rigid silicon into solar cells that can be stretched by up to 95 percent while retaining a high solar energy capture efficiency of 19 percent. This breakthrough overcomes the rigidity limitation of silicon, allowing for flexible wearable electronics and robots.

NUS researchers uncover how fish get their shape

Researchers found that physical forces, including friction and stress, play a crucial role in shaping the chevron patterns in fish muscle. The team identified specific mechanisms, such as cell elongation and orientated cell rearrangements, that contribute to the formation of these patterns.

Compliance with ID rules in recreational cannabis stores

A study found that recreational cannabis stores in Colorado and Washington showed high compliance with ID rules, refusing buyers in 73.6% of visits at the entrance. The results suggest room for improvement in some states, particularly in how store personnel check IDs at entry.

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.

Super-resolution at all scales with active thermal detection

The study introduces a universal detection method utilizing thermal radiation's intrinsic super-linearity for high-resolution imaging of objects at all scales. This technique enables arbitrarily cranked-up super-resolution factor and applications in various fields such as thermal imaging, self-driving cars, and stealth object detection.

Cheers! Scientists take big step towards making the perfect head of beer

Researchers have made significant progress in understanding foam film stability by studying the behavior of liquids containing multiple additives. This breakthrough has potential applications in improving the creamy topping on flat whites, making beer heads last longer, and developing more effective fire-fighting foams.

Gazing into crystal balls to advance understanding of crystal formation

Researchers found that hydrodynamic interactions do not explain the large discrepancy between experimental and simulated nucleation rates in hard-sphere colloids. Their simulations using a reliable model showed that neglecting these interactions led to similar nucleation rates as with hydrodynamic interactions.

SLAS Discovery releases first issue of 2020

The National Cancer Institute's Plated Compound Sets provide a convenient and cost-effective way to screen compounds manually. However, some collections contain pan assay interfering and nonspecific compounds that can generate false hits.

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.

It's a small (coal-polluted) world, after all

A study in Environmental Toxicology and Chemistry reveals that coal-burning activities in the Asia-Pacific region have contaminated sediment layers in the US Pacific Northwest, with mercury deposition increasing by 400-fold. Global cooperation is essential to mitigate these environmental consequences.

Genes as early warning systems: Stroke research

A recent study found that genetic data can accurately predict stroke risk, identifying individuals with a three-fold higher risk of ischemic stroke. This method is more precise than existing estimates based on clinical risk factors and can help pinpoint modifiable risk factors to mitigate the risk.

Body cells spy out bacteria

Researchers discovered that the human body uses a receptor to detect bacterial quorum sensing molecules, enabling it to react to differing stages of an infection. This allows the body to save energy by not reacting prematurely and prevents collateral damage caused by the immune system's response.

Electron pulser for ultrafast electron microscopy wins 2019 R&D 100 award

The Affordable Laser-Free Retrofittable Stroboscopic Solution for Ultrafast Electron Microscopy has been recognized as one of the top innovations of 2019 by R&D World magazine. This device can be retrofit into conventional transmission electron microscopes to image dynamic behaviors of materials over very short timescales.

Celestron NexStar 8SE Computerized Telescope

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

Gender-tailored treatment could ease opioid epidemic

A new study suggests that gender-tailored methods can ease the opioid crisis by integrating child care and supportive environments to address stigma and shame. Women with opioid use disorder are more likely to have mood and anxiety disorders, and internalize trauma's effects.

How plant metabolites affect the ecosystem

Researchers explore chemodiversity in plants to understand its impact on ecosystems, including foodwebs and biodiversity. The new Research Unit will analyze chemodiversity within individual plants, between populations, and across species.

New research uncovers improvements in vaccines against meningitis

A new study has identified key mutations that affect Factor H binding protein (FHbp) on the surface of the meningococcus bacterium, which could lead to improved vaccines. The findings have major implications for current meningococcal group B vaccines, Trumenba and Bexsero.

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.

Artificial intelligence as behavioral analyst

Researchers used high-speed cameras and computer algorithms to analyze the movements of larval zebrafish, identifying three distinct components of their prey capture behavior: orientation, approach, and capture. The study provides new insights into how the brain generates complex behaviors.

NIST study suggests universal method for measuring light power

The NIST study suggests a new definition for the optical watt based on radiation force and speed, offering a more precise, less expensive and more portable method for measuring light power. The proposed approach also simplifies calculations of mass and force, making it simpler as a primary standard.

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.

Artificial intelligence tracks down leukemia

Researchers used AI to analyze gene activity in blood cells from over 12,000 samples, achieving a hit rate of above 99% for AML diagnosis. This approach could support conventional diagnostics and potentially accelerate therapy initiation, while also reducing costs.

Organic crop practices affect long-term soil health

The study found that specific components of soil health, such as the abundance and activity of soil animals, affect crop productivity. Measurements of soil invertebrates can inform assessments of soil health. The researchers also discovered that optimizing biotic processes in soil can optimize crop production.

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.

Freestanding emergency departments may increase out-of-pocket spending for patients

A new study suggests freestanding emergency departments can lead to increased health-care costs and out-of-pocket spending for patients. Researchers analyzed insurance claims data from four states and found that entry of a freestanding emergency department was associated with a 3.6% increase in estimated out-of-pocket payments for emer...