The use of propane buses, which are federally recognized as cleaner-emitting and more efficient vehicles, yielded an award for Amphitheater Public Schools and two other Arizona school districts. The ...

My NAS handles a ton of responsibilities beyond just storage.

Background In this double-blind randomised controlled trial, we tested if leisure-time runners using shoes with less compliant midsoles have a higher running-related injury (RRI) risk. Method We ...

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 ...