The Friday Five covers five stories in research that you may have missed this week. There are plenty of controversies and troubling ethical issues in science – and we get into many of them in our online magazine – but this news roundup focuses on scientific creativity and progress to give you a therapeutic dose of inspiration headed into the weekend.Here are the promising studies covered in this week's Friday Five:- A new mask can detect Covid and send an alert to your phone - More promising research for a breakthrough drug to treat schizophrenia- AI tool can create new proteins- Connections between an unhealthy gut and breast cancer- Progress on the longevity drug, rapamycin And an honorable mention this week: Certain exercises may benefit some types of memory more than others