What is a certified anesthesiologist assistant (CAA)? Certified anesthesiologist assistants are highly skilled healthcare professionals who work under the direction of licensed anesthesiologists to ...

Welcome to Smithsonian Open Access, where you can download, share, and reuse millions of the Smithsonian’s images—right now, without asking. With new platforms and tools, you have easier access to ...

Ortín Vela and Bergmann compare vascular image derived phenotypes across the retina, brain, carotid artery and aorta in the UK Biobank. Retinal vessel health is indicative of the health of major ...

Sambado et al. examine how environmental and social conditions shape where tick-borne viruses are reported worldwide. Using machine learning, they find that both ecological and economic are important, ...