How 'Iron Man' bacteria could help protect the environment
This Geobacter cell is speckled with cobalt minerals that would be toxic to many organisms.
Credit: Hunter Dulay
Download the high-resolution JPG version of the image. (508.9 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.