The process of manufacturing gallium-doped solar panels was under a patent until last year. It's only now that this method has started to pick up steam.
NSW's successful test and trace strategy controlled the Crossroads Hotel outbreak a year ago without needing a stringent lockdown. But this has not worked as well against Delta.
Anti-doping efforts are not stopping cheating in sport. Unless there's a game changer in technology, we might just have to live with a certain amount of doping in the Olympics.
Aboriginal women detainees are strip-searched at higher rates than non-Indigenous women. It's clear Australia needs to address racial discrimination in justice systems.
The Miami apartment collapse is a grim reminder of why engineering matters, and why comprehensive education in ethics should be embedded in the training of engineers.
