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Science News for February 17, 2017


Is the human brain hardwired to appreciate poetry?

Researchers found that participants' brains responded positively to sentences conforming to traditional Welsh poetry rules, even when they couldn't explicitly identify the correct form. This suggests an innate appreciation for poetic structure in the human brain.

SourceFrontiers·JournalFrontiers in Psychology·DateFeb 17, 2017

Who benefits from praise?

A study published by University of Konstanz researchers found that praise from peers can motivate students to perform better, particularly those who are already high-achievers. However, this positive effect is limited for students whose grades fall just below the top threshold.

SourceUniversity of Konstanz·JournalJournal of Behavioral and Experimental Economics·DateFeb 17, 2017

Climate-driven permafrost thaw

Research reveals large-scale thaw-induced slope disturbances and mobilization of primary glacial sediments, leading to cascading effects on fluvial, lacustrine, and coastal systems. The study's findings have major implications for predicting northern landscape change and downstream impacts.

SourceGeological Society of America·JournalGeology·DateFeb 17, 2017

Designing new materials from 'small' data

A Northwestern University and Los Alamos National Laboratory team developed a novel workflow to design new materials with useful electronic properties. By combining machine learning and density functional theory calculations, they created design guidelines for ferroelectricity and piezoelectricity.

SourceNorthwestern University·JournalNature Communications·DateFeb 17, 2017

New life for 19th-century plants

Brown University researchers demonstrate the efficacy of using herbaceous plant specimens from the late 19th century to track changes in heavy metal concentrations over time. Despite challenges, including mercury contamination, they show significant reductions in lead concentrations and highlight broader trends in heavy metal accumulat...

SourceBotanical Society of America·JournalApplications in Plant Sciences·DateFeb 17, 2017

Wearing your brain on your sleeve

Rhoda Au's e-cognitive health initiative collects data from over 2,200 participants using wearable devices, smartphone apps, and in-home devices to detect subtle changes in daily behavior that may indicate cognitive decline. The goal is to identify early signs of Alzheimer's and dementia, improving diagnosis and treatment options.

System automatically detects cracks in nuclear power plants

A new automated system, called CRAQ, detects cracks in the steel components of nuclear power plants using an advanced algorithm and machine learning technique. The system outperformed two others under development, providing more robust results by processing multiple video frames and filtering out falsely detected cracks.

SourcePurdue University·JournalComputer-Aided Civil and Infrastructure Engineering·DateFeb 17, 2017

It's more than just climate change

A new study on environmental modeling reveals that climate change is only one of many inter-related threats to natural systems supporting human societies. The research argues that incorporating inequality, consumption, and population into climate models would provide a more realistic guide for policymaking and sustainable development.

SourceUniversity of Maryland·JournalNational Science Review·DateFeb 17, 2017

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.

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.

SourceWiley·JournalAngewandte Chemie International Edition·DateFeb 17, 2017

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.

SourceUniversity of Queensland·JournalNature Ecology & Evolution·DateFeb 17, 2017

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.

SourceUniversity of Warwick·JournalChemistry - A European Journal·DateFeb 17, 2017

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...

SourceNortheastern University·JournalProceedings of the National Academy of Sciences·DateFeb 17, 2017

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.

SourceUniversity of Konstanz·JournalScience·DateFeb 17, 2017