Astroparticle physics Research update Neutron stars may contain free quarks Quark-matter cores likely in the most massive stars, say researchers Read article: Neutron stars may contain free quarks
Diagnostic imaging Research update AI-reconstructed medical images can’t be trusted Medical image reconstruction algorithms based on artificial intelligence and deep learning may lead to false positives and false negatives Read article: AI-reconstructed medical images can’t be trusted
Biomaterials Research update Cyanobacteria and nanomaterials give solar cell a boost Photosynthesizing micro-organisms are at the heart of a new biophotovoltaic cell Read article: Cyanobacteria and nanomaterials give solar cell a boost
Pollution Research update Ammonia emissions can drive urban smog formation CLOUD experiment at CERN highlights the importance of controlling ammonia emissions in urban environments Read article: Ammonia emissions can drive urban smog formation
Neural engineering Research update Dynamic stimulation of visual cortex lets blind people ‘see’ shapes Using electrical stimulation to dynamically trace letters directly on patients' brains enabled them to 'see' the intended letter shapes Read article: Dynamic stimulation of visual cortex lets blind people ‘see’ shapes
Biofabrication Research update Bio-bots with spinal cords have natural walking rhythm Researchers have developed miniature biological robots that move naturally when a spinal cord is added Read article: Bio-bots with spinal cords have natural walking rhythm
Optics and photonics Research update Microwave timing signals get hundredfold boost in stability Optical-clock performance is accessible to electronic devices Read article: Microwave timing signals get hundredfold boost in stability
Topological matter Research update Topological insulators enter the fourth dimension Physicists see conduction on the surface of 4D electrical circuits Read article: Topological insulators enter the fourth dimension
Materials Research update High-quality graphene foams are made from organic waste Process is cheap and more environmentally friendly, say researchers Read article: High-quality graphene foams are made from organic waste
Topological matter Research update Randomized measurements reveal topological quantum states Researchers develop "recipe" for identifying topological invariants in the laboratory Read article: Randomized measurements reveal topological quantum states