Word of the day: chemolithoautotrophic

Signs of life 10 kilometers below the Mariana trench:

https://phys.org/news/2017-04-life-ten-kilometers-seafloor.html

relation to chemical action or chemicals
stone, rock
self, one's own, by oneself, of oneself
having some characteristics of
food, nourishment

Huh. I had thought it might mean chemical-rock-self-changing. I guess now it means that we found stuff that looks as if something ate the rocks.