Silver nanoparticles produced by fungus could be used to prevent and treat COVID-19 / Silver nanoparticles in packaging can contaminate dry foods, testing shows / Silver nanoparticles trapped within a polymer matrix allow for precise color control in anti-counterfeiting technology / Silver nanoparticles and a new sensing method can fight back against antibiotic-resistant biofilms / Nanoscale silver exhibits intrinsic self-healing abilities without external intervention / Tea brews up silver nanoparticles for wound healing in the developing world / Research explores ways to mitigate the environmental toxicity of ubiquitous silver nanoparticles