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Breaking AIs to make them better

A team of researchers led by Danilo Vasconcellos Vargas has developed a new method called 'Raw Zero-Shot' to evaluate the robustness of artificial neural networks in image recognition. The study found that Capsule Networks produced the densest clusters, indicating improved transferability and potential solutions for improving AI robust...

SourceKyushu University·JournalPLOS ONE·TypeComputational simulation/modeling·DateJun 30, 2022

Topology and machine learning reveal hidden relationship in amorphous silicon

Researchers used topological mathematics and machine learning to identify a hidden relationship between nano-scale structures and thermal conductivity in amorphous silicon. They found that the persistent homology diagram can be used as a descriptor for machine learning, achieving accurate predictions about thermal conductivities.

SourceNational Institutes of Natural Sciences·JournalThe Journal of Chemical Physics·TypeComputational simulation/modeling·DateJun 24, 2022

Let machines do the work: Automating semiconductor research with machine learning

Researchers use machine learning to automatically analyze Reflection High-Energy Electron Diffraction (RHEED) data, enabling faster and more efficient discovery of new materials. The study focused on surface superstructures in thin-film silicon surfaces and identified optimal synthesis conditions using non-negative matrix factorization.

SourceTokyo University of Science·JournalScience and Technology of Advanced Materials Methods·TypeExperimental study·DateJun 16, 2022

Calculating the "fingerprints" of molecules with artificial intelligence

Researchers have developed an AI-powered approach to calculate molecular spectra using Graph Neural Networks (GNNs), significantly reducing computation time and improving accuracy. The SchNet model achieved a 20% increase in accuracy while reducing computational time, enabling the analysis of complex molecules like quantum dots.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalJournal of Chemical Theory and Computation·TypeComputational simulation/modeling·DateJun 14, 2022

More data in chemistry

A recent study published in Angewandte Chemie found that AI models struggle to predict reaction yields due to biased data, mainly caused by a lack of reported failed experiments. The researchers attribute this failure to three possible causes: experimental error, personal bias, and underreporting of negative results.

SourceWiley·JournalAngewandte Chemie International Edition·TypeData/statistical analysis·DateJun 13, 2022

AI identifies cancer cells

A new machine learning algorithm called 'ikarus' has found a gene signature characteristic of tumors, distinguishing between healthy and tumor cells in various types of cancer. The algorithm was trained on single-cell sequencing data sets and demonstrated an extraordinarily high success rate in distinguishing between different cell types.

SourceMax Delbrück Center for Molecular Medicine in the Helmholtz Association·JournalGenome Biology·TypeData/statistical analysis·DateJun 10, 2022

The gut microbiome as a health compass

Researchers developed a machine learning model to predict NAFLD development based on gut microbiome data, showing 90% of subjects who developed the disease had subtle differences in their samples. The model combines easily measurable information from blood and microbiome data with high accuracy.

SourceLeibniz Institute for Natural Product Research and Infection Biology - Hans Knöll Institute -·JournalScience Translational Medicine·TypeComputational simulation/modeling·DateJun 9, 2022

New insights on infant word learning reported in study

A new study published in the Proceedings of the National Academy of Sciences offers fresh insights into infant word learning. Researchers found that infants between 7 and 11 months old learn words by building up memory representations over time, rather than through repeated connections between words and objects.

SourceIndiana University·JournalProceedings of the National Academy of Sciences·DateJun 7, 2022

In bias we trust?

Researchers at MIT found that explanation methods used to aid human decision-makers in high-stakes situations often have lower accuracy for minoritized subgroups. The fidelity of these explanations varies dramatically between subgroups, with the quality often significantly lower for women and Black people.

Scientists use AI to update data vegetation maps for improved wildfire forecasts

A new AI-powered technique updates fuel inventories to better predict fire behavior and spread. The method, developed at NCAR, uses satellite imagery to account for pine beetle damage and was tested on the 2020 East Troublesome Fire in Colorado.

SourceNational Center for Atmospheric Research/University Corporation for Atmospheric Research·JournalRemote Sensing·TypeComputational simulation/modeling·DateMay 31, 2022

Quest for elusive monolayers just got a lot simpler

Researchers at the University of Rochester have created an automated scanning device that detects monolayers with high accuracy, reducing processing time and costs. The system utilizes AI-powered image processing to analyze images of materials, identifying monolayers with near 100% accuracy in just nine minutes.

SourceUniversity of Rochester·JournalOptical Materials Express·TypeExperimental study·DateMay 31, 2022

Multi-spin flips and a pathway to efficient ising machines

A team of researchers from Waseda University developed a novel solution to efficiently solve complex optimization problems using Ising machines. Their hybrid algorithm reduces residual energy and reaches more optimal results in shorter time, increasing the machine's applicability across industries and sustainability practices.

SourceWaseda University·JournalIEEE Transactions on Computers·TypeComputational simulation/modeling·DateMay 31, 2022

Seeing how odor is processed in the brain

Researchers at University of Tokyo used machine learning-based analysis of scalp-recorded EEG to see when and where odors are processed in the brain. Unpleasant odors were found to be processed earlier than pleasant ones, suggesting potential early warning system against dangers.

SourceUniversity of Tokyo·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateMay 27, 2022

AI learns coral reef 'song'

A new AI method can distinguish between the overall sounds of healthy and unhealthy coral reefs, making it a valuable tool for monitoring reef health. The technique uses machine learning to analyze sound recordings and track the progress of reef restoration projects.

SourceUniversity of Exeter·JournalEcological Indicators·TypeData/statistical analysis·DateMay 27, 2022

Not individual genes but the “mutational signatures” of many genes hold the key to better cancer therapies

Researchers have found that mutational signatures, which reflect a collection of mutations across the genome, can accurately predict drug response in cancer cells. The study suggests that these signatures may hold the key to better cancer therapies and could be used to predict treatment response.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalNature Communications·TypeComputational simulation/modeling·DateMay 26, 2022

Women are making strides in artificial intelligence but are still underrepresented, according to new Concordia research

A Concordia study analyzed gender patterns in AI over two decades, finding women are making strides despite underrepresentation. Notably, female-male collaboration has increased, while core positions held by women remain scarce, tied to factors like family obligations and male-dominated environments.

SourceConcordia University·JournalJournal of Informetrics·TypeContent analysis·DateMay 25, 2022

Component for brain-inspired computing

Researchers at ETH Zurich have developed a novel memristor design that can switch between two operation modes, enabling greater efficiency in machine learning applications. This breakthrough component is made of halide perovskite nanocrystals and simulates complex neural networks with high accuracy.

SourceETH Zurich·JournalNature Communications·DateMay 18, 2022

Accelerating the pace of machine learning

A new distributed learning technique, GD-SEC, reduces communication requirements in wireless architecture, improving efficiency and reducing computational cost. The method employs data compression to transmit only meaningful, usable data, enhancing the impact of machine learning while minimizing its limitations.

SourceLehigh University·JournalIEEE Journal of Selected Topics in Signal Processing·DateMay 18, 2022

Teaching physics to AI makes the student a master

Researchers at Duke University have developed a machine learning algorithm that incorporates known physics into neural networks, allowing for new insights into material properties and more efficient predictions. The approach helps the algorithm attain transparency and accuracy, even with limited training data.

SourceDuke University·JournalAdvanced Optical Materials·TypeExperimental study·DateMay 17, 2022

Data-driven robotic experiments accelerate discovery of multi-component electrolyte

Researchers developed a data-driven robotic experiment system to identify electrolyte materials with desirable properties. They discovered a multi-component electrolyte that enhances the cycle life of lithium–air batteries, accelerating the development of next-generation rechargeable batteries.

SourceNational Institute for Materials Science, Japan·JournalCell Reports Physical Science·TypeExperimental study·DateMay 12, 2022

Strange dreams might help your brain learn better, according to research by HBP scientists

A study by HBP scientists found that wakefulness, non-REM sleep, and REM sleep have complementary functions for learning: experiencing stimuli, solidifying experiences, and discovering semantic concepts. This research suggests that unusual dreams, simulated using Generative Adversarial Networks, can improve brain learning by introducin...

SourceHuman Brain Project·JournaleLife·TypeComputational simulation/modeling·DateMay 12, 2022

Artificial intelligence model can predict whether Crohn disease will recur after surgery

An artificial intelligence model trained on histological images of surgical specimens accurately classified patients with and without Crohn disease recurrence. The model revealed previously unrecognized differences in adipose cells and mast cell infiltration, enabling stratification by prognosis for postoperative Crohn disease patients.

SourceElsevier·JournalAmerican Journal Of Pathology·TypeExperimental study·DateMay 10, 2022