On Monday, May 12, former CDC Director Rochelle Walensky delivered the below commencement address at the WashU School of Medicine. One of my first tasks even before my tenure began as director of the ...

Enzymes are the molecular machines that power life; they build and break down molecules, copy DNA, digest food, and drive virtually every chemical reaction in our cells. For decades, scientists have ...

It’s no secret that stress isn’t good for you. But just how bad is it? Well, in the last few decades, scientists have linked psychological stress to changes in our DNA that look a lot like what ...

1. Climate science basics -- What is the greenhouse effect and how does it warm the Earth? -- Why are scientists so certain the climate system is warming? -- How does global warming increase sea ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...