Checking the health of soil could soon be as simple as asking the local bacteria. Drones or satellites could detect their ...

MIT scientists have found a clever new way to make bacteria send out signals that can be seen from far away—up to 90 meters.

Bacteria can be engineered to sense a variety of molecules, such as pollutants or soil nutrients. In most cases, however, these signals can only be detected by looking at the cells under a ...