The tiny device developed by Professors John Rogers, Igor Efimov, and Yonggang Huang can be inserted with a syringe, and then dissolve after it’s no longer needed.

“Progression runs teach patience and fine-tuning the pace,” Wijayaratne says. Plus, it’ll train your body to have the energy to run the last few miles of a long-distance race, like 10 to 13.1 in a ...

Smaller than a rice grain, the dissolvable soft device is meant to help newborn babies with congenital heart defects.