Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...

This video is an introduction to stress and strain, which are fundamental concepts that are used to describe how an object ...

In a world full of human relationships, attraction is often viewed through the lens of positivity. People are drawn to ...

Endothelial shear stress (ESS) applied to the vascular wall may also be ... Conclusions: In patients with acute SSI, the mean SIG value of relevant vessels showed a negative association with the ...

But just hearing about devastating news — even if it didn’t happen to you — can trigger a trauma response known as secondary traumatic stress. Experts have voiced concern about how pervasive ...

For some, stress can cause aches and pains, headaches, digestive issues, shortness of breath, anxiety, depression, sleep problems, and issues with memory and focus. Other mental health symptoms might ...

We all know stress messes with our heads, but did you know it can also wreak havoc on our bodies? Say hello to cortisol, the hormone released when stress hits, triggering that familiar “fight ...