The microbial Community in the Microbial Activity experiment at the Mont Terri URL following H2 amendment into the BRC-3 borehole. Photo: Rizlan Bernier-Latmani

The microbial Community in the Microbial Activity experiment at the Mont Terri URL following H2 amendment into the BRC-3 borehole. Photo: Rizlan Bernier-Latmani