Read more in this article about some frequently asked questions and fun facts related to our definitions.
What’s the infamous chemical that makes NASA’s new life discovery so amazing, and why is it such a big deal?
Few poisons are more notorious than arsenic. So, scientists were recently shocked to find that a strange bacterium called Halomonadaceae (a type of protobacteria) in Mono Lake, California, is actually thriving on it. The finding is blowing researchers’ minds, showing how much more there is to be discovered about the types of life forms that may exist both on Earth and in space. To give you an idea …
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.