Tag Archive for: bioengineering

Microscopic, bowl-shaped hydrogel containers called nanovials (the larger, reddish-brown objects) allow researchers to trap cells and the compounds they secrete (shown here in blue).
Image of smartwatch developed at UCLA that assesses cortisol levels found in sweatYichao Zhao and Zhaoqing Wang/UCLA

Sweating the small stuff: Smartwatch developed at UCLA measures key stress hormone

Editor's note: This breakthrough by UCLA College researchers…