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Science News Archive February 2017


Page 15 of 37

One-of-a-kind? Or not. USU geneticist studies formation of new species

Researchers sequenced over 1,000 stick insect genomes to study early phases of speciation, finding that genetic differences across the genome are crucial for distinguishing between species. The study suggests that rapid reversals of speciation can occur when distinct species cross paths again.

New research examines patients' satisfaction with their radiologists

Most US radiologists receive favorable satisfaction scores from their patients, according to a new study published in the American Journal of Roentgenology. The study analyzed over 1,800 reviews and found that patients tend to have either strongly positive or strongly negative opinions about their radiologists.

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 dads bond with toddlers: Brain scans link oxytocin to paternal nurturing

A new study found that fathers' brain activity increases when viewing photos of their toddlers, suggesting a link between the hormone oxytocin and paternal nurturing. The research also suggests that oxytocin may be used to normalize deficits in paternal motivation, such as in men suffering from post-partum depression.

Atomic force imaging used to study nematodes

Researchers at KFU's bionanotechnology lab used atomic force microscopy (AFM) to create 3D images of nematode cuticles. The study revealed new insights into the surface anatomy of Caenorhabditis elegans, a widely used model organism in genetics and biology research.

Meta Quest 3 512GB

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

Digital fabrication in architecture

Digital fabrication in architecture promises substantial contributions to sustainability and productivity, enabling new forms of architectural expression. Researchers are developing interdisciplinary research connections to form a digital building culture, leveraging domain-specific robotic technology and advanced materials.

When ultrafast laser pulse meets magnetic materials

The study examines the impact of ultrafast laser pulses on ferromagnetic La0.67Sr0.33MnO3 thin films with epitaxial grown BiFeO3 coating layers. Researchers observe distinct oscillations in magnetization precession, which are attributed to the suppression of anisotropy by BFO coating layers and exchange interaction across the interface.

Peer milk-sharing participants generally keep it clean

A study by the University of Central Florida found that peer milk-sharing parents take precautions to keep their children safe, with 35.4% using all five safe practices and 40.6% using at least four. Despite this, researchers suggest more study is needed, particularly for online classifieds where milk is exchanged for money.

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.

In-mouse catalysis

Researchers have successfully delivered a gold catalyst to a target organ in a mouse, enabling in vivo metal-complex catalysis. This innovation paves the way for potential biomedical applications, including therapy and diagnostics.

Better explaining the world around us

A new framework developed by the University of Queensland has improved the accuracy of biodiversity models in ecology, conservation biology, and global change research. The framework assesses species interactions and detects higher-order interactions that were previously overlooked.

NIST quest for climate-friendly refrigerants finds complicated choices

The NIST study identified 27 low-GWP fluids, but all are at least slightly flammable, posing a challenge for replacing current refrigerants. The findings highlight the need for trade-offs in selecting replacement refrigerants, considering factors like safety codes and environmental impact.

Role of rogue protein PAK4 confirmed in pancreatic cancer cells

A new study confirms PAK4's role in enabling pancreatic cancer cells to grow and spread, highlighting potential new targets for therapy. Researchers found a close relationship between PAK4 and the phosphoinositide 3-kinase pathway, which could lead to combination therapies targeting both.

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.

The reasons for our left or right-handedness

A study published in eLife found that differences in gene activity between the left and right hemispheres are responsible for handedness. The researchers also discovered that environmental influences during pregnancy can affect the development of precursors to handedness.

Congo river fish evolution shaped by intense rapids

A genomic study in the lower Congo River finds that fishes are evolving into distinct species due to the intense hydraulics of the river's rapids and deep canyons. The researchers discovered that fishes living less than a mile away from their relatives are exchanging few genes, indicating strong genetic separation.

Stem cells collected from fat may have use in anti-aging treatments

Researchers found that stem cells collected directly from human fat (ASCs) can make more proteins, replicating and maintaining their stability. This discovery holds promise for new therapies against aging-related diseases, with the goal of understanding how ASCs maintain an open chromatin profile with aging.

Adaptable model recommends response strategies for Zika, other pandemics

A new model developed by Georgia Tech professor Eva Lee recommends response strategies for infectious diseases like Zika, with a focus on early intervention and containment methods. The model suggests that 20% compliance rate can reduce total infections by half in Brazil during the Zika outbreak.

Molecular phenomenon discovered by advanced NMR facility

Researchers at the University of Warwick have discovered a molecular phenomenon where a guanosine derivative changes its supramolecular structure upon transitioning from solution to solid state and vice versa. This defies chemical precedent, suggesting a complex interplay between molecular interactions in different environments.

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.

Developing a catalytic conveyor belt

Chemical engineers and chemists at Pitt and Penn State create a system that utilizes chemical reactions to drive fluid flow, enabling controllable transport of particles and cells. This breakthrough could lead to rapid and efficient chemical assays.

Efficient power converter for internet of things

Researchers at MIT have designed a power converter that maintains efficiency across a wide range of current levels, reducing resting power consumption by 50%. The converter uses a variable clock and advanced control circuitry to accommodate high-power transmissions, enabling new possibilities for energy-harvesting devices.

Local weather impacts melting of one of Antarctica's fastest-retreating glaciers

Researchers found that local atmospheric conditions and ocean circulation are the main drivers of ocean temperature changes in the critical depth range, leading to increased melting. The study used a five-year record to track the interactions between ocean and atmosphere, revealing an annual cycle in heat exchange that drives melting.

A new corpus of 'slips of the ear' in English

Researchers have identified 3207 consistent confusions in English listeners, revealing types of word misperceptions in noise. The corpus provides valuable insights into speech perception processes and their technical clinical applications.

Apple iPhone 17 Pro

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

Gene drives: Science, ethics, and public engagement

Gene drives have the potential to address persistent problems like eradicating mosquito-borne diseases and conserving endangered species. However, they also pose risks to entire ecosystems, highlighting the need for careful public engagement and regulatory policies.

Yeast found in babies' guts increases risk of asthma

Researchers at the University of British Columbia have discovered a strong link between yeast in babies' guts and an increased risk of developing asthma. The presence of Pichia, a microscopic fungus or yeast, was more strongly linked to asthma than previously identified gut bacteria.

Researchers use big-brother tech to spy on bumblebees

A team of UA researchers used RFID tags to study bumblebee behavior, discovering that individual workers specialize on one food source per day. The results show vast variations in foraging activity among bees, with the most active foragers making 40 times more trips than less active workers.

Celestron NexStar 8SE Computerized Telescope

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

Panel to discuss deep-sea mining at AAAS Meeting

A panel of experts will examine the pros and cons of seafloor mining, its engineering feasibility, and legal and societal implications at the AAAS meeting. Current exploration contracts have been signed by 27 countries, with the first project set to begin in 2019.

New research helps organizations deliver stronger diversity training

A new study found that diversity training programs can have immediate positive effects on participants' knowledge, attitudes, and behaviors, but long-term results are often inconsistent. The research suggests that training is most effective when it is mandatory, delivered over time, and combined with other initiatives.

Egg-free surrogate chickens produced in bid to save rare breeds

Researchers at the University of Edinburgh's Roslin Institute have successfully developed egg-free surrogate chickens using gene-editing techniques. These genetically modified hens can carry and deliver eggs from other breeds, aiming to boost breeding of endangered birds and improve commercial chicken production.

Liquid metal nano printing set to revolutionize electronics

Researchers at RMIT University have developed a new technique using liquid metals to create ultra-thin electronic chips, paving the way for the next generation of electronics. The process enables the production of large wafers just 1.5 nanometres in depth, increasing processing power and reducing costs.

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.

What the ability to 'get the gist' says about your brain

A new study from the Center for BrainHealth at UT Dallas reveals that a gist reasoning test is more sensitive than traditional tests in identifying cognitive deficits in TBI patients. The test, which requires participants to summarize complex texts, accurately identified 84.7% of chronic TBI cases.

International science collaboration growing at astonishing rate

A new study found that international collaboration in scientific research has grown dramatically, with more than doubling of cross-border studies between 1990 and 2015. The fields of soil science and virology saw the highest growth rates, with a 550% increase in collaborating partners in soil science.

How humans bond: The brain chemistry revealed

A new study by Northeastern University psychologist Lisa Feldman Barrett found that the neurotransmitter dopamine plays a crucial role in human bonding. The research, which used a novel technology to scan mothers' brains while interacting with their infants, showed that strong social relationships can improve outcomes for individuals w...

Breakthrough with a chain of gold atoms

An international team of physicists has made a breakthrough in understanding heat transport at the nanoscale by studying a chain of gold atoms. The study confirms the validity of the Wiedemann-Franz law, which describes the relationship between electric and thermal conductance.

'Complexity' of exports is a good predictor of income inequality

A new study by MIT Professor César Hidalgo and colleagues found that the complexity of a country's exports is a strong predictor of its level of economic equality. The researchers analyzed data from 1996 to 2008 and found that countries with more diverse export portfolios and higher technological infrastructure tend to have greater inc...

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.

LemurFaceID: Using facial recognition software to identify lemurs

A new facial recognition system, LemurFaceID, can correctly identify individual lemurs using photos of their faces, offering a non-invasive alternative to traditional methods. The system shows high accuracy in identifying lemurs across different species, with potential applications for conservation and research.

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.

Genome surgery with CRISPR-Cas9 to prevent blindness

Scientists successfully delivered CRISPR-Cas9 to the eyes of mice with wet AMD, modifying the VEGF gene and reducing choroidal neovascularization (CNV) by 58%. This breakthrough could lead to a new therapeutic modality for non-hereditary degenerative diseases.

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.

Social exclusion leads to conspiratorial thinking, study finds

A Princeton University study found that social exclusion leads to superstitious beliefs and conspiracy theories, suggesting a cycle of exclusion that can entrench beliefs. The researchers propose that addressing social exclusion could help counteract these theories.

Seagrasses greatly reduce bacteria, benefiting humans and marine life

A new study reveals that seagrass meadows can reduce bacteria pathogenic to humans and marine life by up to 50%. The presence of seagrasses also reduces the prevalence of disease in corals located nearby, with field surveys showing a 2-fold decrease in disease compared to coral without seagrass neighbors.

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.

Mothers and infants connect through song

Research from UM Frost School of Music found that infant-directed singing fosters a strong bond between mothers and infants. Engaging infants through song stimulates their attention, while also benefiting the mother by providing a distraction from negative emotions and thoughts associated with postpartum depression.

Underwater seagrass beds dial back polluted seawater

New research reveals that seagrass meadows can combat bacteria in water, reducing disease associated with marine organisms. The study found lower levels of disease on reefs with adjacent seagrass beds than those without nearby grasses.

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.

Smokers’ memories could help them quit

A Michigan State University study found that smokers who viewed a nostalgic public service announcement showed greater emotional engagement and stronger negative attitudes towards smoking. The researchers argue that nostalgia-themed messages could be an effective way to promote healthy behaviors.

By the numbers: What are the most attractive female lips?

A new study published in JAMA Facial Plastic Surgery found that the most attractive female lips have a 53.5% increase in surface area and an ideal upper to lower lip ratio of 1:2. This guideline aims to help achieve optimal outcomes in lip augmentation procedures.