Concrete sewers are being devoured by their microbial ecosystems and researchers at the University of Colorado are trying to find a way to stop it. (Full disclosure: My husband's cousin Ali Ling is one of the researchers who worked on this project.)
Concrete sewers are being devoured by their microbial ecosystems and researchers at the University of Colorado are trying to find a way to stop it. (Full disclosure: My husband's cousin Ali Ling is one of the researchers who worked on this project.)