Do masks work? Uncle Rob investigates by simulating coughs with aerosol starter fluid, mannequin heads and a propane torch.
Disclaimer: Uncle Rob is a "professional" Don't be a moron.
Looks like they work pretty good. Read the rest
On Slate Star Codex, psychiatrist Scott Alexander offers a "book review of "All Therapy Books", which is a jumping-off point for asking how it is that psychotherapy is periodically rocked by new therapies that seem to perform incredibly well, but whose confirmed efficacy shelves off over time. Read the rest