What I learned... on KPCC: Arsenic and Old Life

This one even has a mohawk

There have been quite a lot of bizarre discoveries of bacteria, called extremophiles (makes me think of a hardcore sports germ), living in insanely harsh environments. Well, researchers have discovered that a bacteria living in California's Mono Lake can replace the phosphorous that serves as the skeleton of its DNA with arsenic. Pretty cool I'd say.

You can read and listen more about it here.