Don’t miss the global technical community gathering in San Francisco for the largest biophotonics, biomedical optics, and imaging event. The BiOS (17 - 22 January) and BiOS Expo (17 -18 January) at SPIE Photonics West are a comprehensive international biomedical optics event, encompassing clinical, translational, and fundamental R&D in the field of biomedical optics and photonics.