Yesterday many news outlets chose to carry the story regarding internationally acclaimed theoretical physicist and cosmologist Paul Davies of Arizona State University, who (according to press releases) challenged the orthodox view that there is only one form of life on Earth in a lecture titled “Shadow Life: Life As We Don’t Yet Know It.” Davies presented his case for “Earthbound Aliens” to the annual meeting of the American Association for the Advancement of Science, during a portion of the symposium titled “Weird Life.”

Though Davies calls his hypothetical lifeforms “shadow life”, this has little to do with anything related to the kinds of “shadow people” often described years ago by Art Bell on Coast to Coast AM. Instead, Davies is searching for bizarre life forms which may have differences so minute from those known to science that they could have managed to “fly below the radar”, so to speak, sporting such things as arsenic-based organisms. Arsenic, though poisonous to most living things, is deadly because it so easily replaces phosphorous in our chemistry… but what if some form of simple organism had managed to spring to life from the stuff? Might phosphorous, to these creatures, act much like arsenic would to other organisms?

“In the microbial realm some of those little organisms might have an alternative biochemistry that might represent a second or subsequent genesis event,” Davies says. “We can imagine a series of stop-go experiments in which life was formed and annihilated again and again, and it

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Author: Micah Hanks

Micah Hanks is a writer, researcher, and podcaster. His interests include areas of history, science, archaeology, philosophy, and the study of anomalous phenomena in nature. He can be reached at