Graduate students, microbe goo …

What is it that links the two?

It seems that both life forms are found

Where electron donors (food) abound!

Sed rates, organic stuff control

Cell distribution on the whole.

New techniques birth a new notion:

Sub-seafloor mass, the same as ocean.

Perspective:  http://www.sciencemag.org/content/338/6104/204.full

Full study:  http://www.pnas.org/content/109/40/16213.full