The Feds Are Trying to Get Plants to Mine Metal Through Their Roots
“Just like we do research with corn, wheat, soybean, getting these plants to be more efficient in taking up nutrients—nitrogen, phosphorus, potassium—well, there needs to be this research that goes into understanding the mechanisms of metal hyperaccumulation,” says McNear. “And then enhancing that, whether it be through gene editing, or whatever.”ARPA-E is eying a specific kind of dirt to try these plants in, known as ultramafic soil, which is high in iron, cobalt, chromium, and nickel. It’s common where there’s been…