Missouri researchers (from left) Chung-Ho Lin, Robert Lerch and John  Yang are investigating whether native grasses can clean up pollution caused by explosives at hundreds of locations across the country.
Missouri researchers (from left) Chung-Ho Lin, Robert Lerch and John Yang are investigating whether native grasses can clean up pollution caused by explosives at hundreds of locations across the country.

Besides the obvious reason, TNT is not good for you.

But grass, it turns out, might be dynamite for the problem.