After a friend asked how to run faster, the solution wasn’t altitude training — it was the opposite. This custom-built oxygen ...

Stanford's potential universal vaccine promises to shield against COVID, flu, and more. Could one spray change how we fight respiratory threats? (Adobe Photo) ...

At the veterans hospital where he worked, Alex Pretti was known for his easy laugh, affection for bad coffee and his go-to response to most any request. “You want to clean a bed pan, Alex?” a fellow ...