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A physical model for efficient ranking in networks
Science Magazine We present a physically inspired model and an efficient algorithm to infer hierarchical rankings of nodes in directed networks. It assigns real-valued ranks to nodes rather than simply ordinal ranks, and it... 19 hours
A turtle—or a rifle? Hackers easily fool AIs into seeing the wrong thing
Science Magazine Adversarial attacks highlight lack of security in machine learning algorithms 2 days
AI-equipped robots develop situational awareness in Earth's most uncertain environment
PHYS.ORG Waves, winds, currents, wakes from passing boats and eddies swirling around structures make water one of the most complex environments for experienced boat captains, let alone robots. Now,... 2 days
World-first program to stop hacking by supercomputers
PHYS.ORG IT experts at Monash University have devised the world's leading post-quantum secure privacy-preserving algorithm – so powerful it can thwart attacks from supercomputers of the future. 2 days
The equation of motion for supershear frictional rupture fronts
Science Magazine The rupture fronts that mediate the onset of frictional sliding may propagate at speeds below the Rayleigh wave speed or may surpass the shear wave speed and approach the longitudinal... 3 days
A new approach for narrowing down huge calculations by focusing on a single, predictive parameter
PHYS.ORG A team that includes nuclear physicists, a machine-learning researcher and an NC State mathematician has created a new... 3 days
Machine learning predicted a superhard and high-energy-density tungsten nitride
PHYS.ORG Although machine learning has been successful in many aspects, its application in crystal structure predictions and materials design is still under development. Recently, Prof. Jian Sun's group at the Department... 3 days
Algorithm identifies patients best suited for antidepressants
SCIENCE DAILY Results of a new study bring us closer to identifying individuals likely to benefit from antidepressants. 4 days
The scent of coffee appears to boost performance in math
SCIENCE DAILY Research reveals that the scent of coffee alone may help people perform better on the analytical portion of the Graduate Management Aptitude Test, or GMAT, a computer adaptive... 4 days
Researcher develops algorithm to improve information security tools
PHYS.ORG Cryptography is a science of data encryption providing its confidentiality and integrity. After cryptographic transformations (the basis of encryption algorithms) are applied, only users that possess a relevant key can have access... 5 days
New algorithm limits bias in machine learning
PHYS.ORG Machine learning—a form of artificial intelligence based on the idea that computers can learn from data and make determinations with little help from humans—has the potential to improve our lives in countless ways. From... 5 days
Solving problems by computer just got a lot faster
SCIENCE-NEWS A new computer program sifts through all possible solutions to find the best answer to a given problem far faster than other algorithms. 5 days
Heat Making You Lethargic? Research Shows It Can Slow Your Brain, Too
NPR Hot weather can influence cognitive performance, according to new research. Young adults living in non-air-conditioned dorms during a heat wave performed worse on math... 5 days
Fake news: algorithms in the dock
PHYS.ORG At the heart of the spread of fake news are the algorithms used by search engines, websites and social media which are often accused of pushing false or manipulated information regardless of the consequences. 1 week
Geometry Helps Solve the Mystery of Mars' Water
SPACE.COM Studying the angles of river features on Mars helped a trio of scientists determine that the water fell from the air rather than seeping up from the ground. 1 week
Adsorbate-driven reactive interfacial Pt-NiO1-x nanostructure formation on the Pt3Ni(111) alloy surface
Science Magazine The origin of the synergistic catalytic effect between metal catalysts and reducible oxides has been debated for decades. Clarification of this effect, namely, the strong metal-support... 1 week
Theorists publish highest-precision prediction of muon magnetic anomaly
PHYS.ORG Theoretical physicists at the U.S. Department of Energy's (DOE's) Brookhaven National Laboratory and their collaborators have just released the most precise prediction of how subatomic particles called muons—heavy cousins of electrons—"wobble" off... 1 week
Theorists publish highest-precision prediction of muon magnetic anomaly
SCIENCE DAILY Latest calculation based on how subatomic muons interact with all known particles comes out just in time for comparison with precision measurements at new 'Muon g-2' experiment. 1 week
When teachers think differently about themselves as math learners, students benefit
PHYS.ORG Study shows improvement in students' attitudes and test scores after teachers change their own mindset—and instruction—around math. 1 week
Response to Comments on "Designing river flows to improve food security futures in the Lower Mekong Basin"
Science Magazine Sabo et al. presented an empirically derived algorithm defining the socioecological response of the... 1 week
Brain function partly replicated by nanomaterials
SCIENCE DAILY Researchers have created extremely dense, random SWNT/POM network molecular neuromorphic devices, generating spontaneous spikes similar to nerve impulses of neurons. They conducted simulation calculations of the random molecular network model complexed with POM molecules, which are... 1 week
Study suggests database analysis better predicts toxicity of chemicals than animal testing
NEWS MEDICAL Advanced algorithms working from large chemical databases can predict a new chemical's toxicity better than standard animal tests, suggests a study led by scientists... 1 week
Computer-based approach can predict new chemical's toxicity better than standard animal tests
NEWS MEDICAL Advanced algorithms working from large chemical databases can predict a new chemical's toxicity better than standard animal tests, suggests a study led by scientists... 1 week
Children with better coordination more likely to achieve at school
SCIENCE DAILY Young children with better eye-to-hand coordination were more likely to achieve higher scores for reading, writing and math according to new research -- raising the possibility schools could... 1 week
Database analysis more reliable than animal testing for toxic chemicals
SCIENCE DAILY Advanced algorithms working from large chemical databases can predict a new chemical's toxicity better than standard animal tests, suggests a new study. 1 week
Challenging the conventional wisdom on calculus
SCIENCE DAILY Contrary to widely-held opinion, taking high school calculus isn't necessary for success later in college calculus -- what's more important is mastering the prerequisites, algebra, geometry, and trigonometry -- that lead to calculus. That's according to... 1 week
Multi-face tracking to help AI follow the action
PHYS.ORG VIDEO At the recent 2018 Conference on Computer Vision and Pattern Recognition, I presented a new algorithm for multi-face tracking, an essential component in understanding video. To understand visual sequences involving people, AI... 1 week
Improving disaster response through Twitter data
PHYS.ORG Twitter data could give disaster relief teams real-time information to provide aid and save lives, thanks to a new algorithm developed by an international team of researchers. 1 week
Researchers confine mature cells to turn them into stem cells
SCIENCE DAILY Recent research has revealed that mature cells can be reprogrammed into re-deployable stem cells without direct genetic modification -- by confining them to a defined geometric space for... 2 weeks
How well-meaning statements can spread stereotypes unintentionally
PHYS.ORG While saying "girls are as good as boys at math" is meant as encouragement, it can unfortunately backfire. 2 weeks
Scientists show how energy landscape algorithm details DNA's interphase dynamics
PHYS.ORG VIDEO The nuclei of cells are never static, even when the chromosomes they contain appear to be at rest. Theorists at Rice University have detailed the combination of forces... 2 weeks
Insectivorous birds consume annually as much energy as the city of New York
PHYS.ORG Insectivorous birds, represented by more than 6,000 species, are found across the world in all major land ecosystems. The fact that they... 2 weeks
Project to elucidate the structure of atomic nuclei at the femtoscale
PHYS.ORG The Argonne Leadership Computing Facility (ALCF), a U.S. Department of Energy (DOE) Office of Science User Facility, has selected 10 data science and machine learning projects... 2 weeks
Training AI systems with simulated X-rays
NEWS MEDICAL Artificial intelligence holds real potential for improving both the speed and accuracy of medical diagnostics. But before clinicians can harness the power of AI to identify conditions in images such as X-rays, they have to 'teach'... 2 weeks
Multi-face tracking to help AI follow the action
Scientists show how energy landscape algorithm details DNA's interphase dynamics