![Will Ratcliff (left) and Peter Yunker](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/ratcliff_and_yunker2.jpeg?itok=Ok69WxYg)
Meetings over coffee led two professors to collaborate on research.
![Stars of Science Matters, Season 1](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/sciencemattersseason1collage.jpg?itok=WRDyuWQ5)
15-Minute stories of curiosity-driven discoveries and achievements, of “Wow” and “Aha” moments, from the College of Sciences
![New muscle strands thanks to stem cell hydrogel](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/4l-4-image_export-30_c123.jpg?itok=3lc92BVu)
Elderly accident victims and Duchene muscular dystrophy sufferers could someday benefit from this stem cell hydrogel successfully tested in mice.
![Brian Hammer](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/2018_brian_hammer_by_gt.sq250.jpg?itok=QltTHwRJ)
They are among eight selected by the American Society for Microbiology in 2018.