Fieldstone Bio is building microbes that can sense everything from TNT to arsenic

The world is awash in data about, well, the world — thanks to satellites and environmental sensors. But there’s still a lot we can’t see, and Fieldstone Bio thinks microbes can change that.

“They’ve evolved to sense and respond to information. It’s just trillions of calculations going on at all times all around us,” Brandon Fields, Fieldstone Bio’s co-founder and chief science officer, told TechCrunch. “How do we take that and actually manipulate that to gain benefits for us?”

Fieldstone’s technology emerged from that…