“Researchers engineered the roots of spinach plants to contain microscopic nanosensors that are capable of detecting nitroaromatics — chemicals that are often found in explosives and man-made industrial chemicals. When the nanosensors detect those compounds, they can send a signal to an infrared camera, which can shoot out an email alert.” Nanotechnology allows chemical signals from spinach to send emails. (Great, now my friggin’ salad is gonna have a Substack newsletter…)