Shadow Biosphere
Concept
The hypothetical concept that life on Earth may have originated through multiple, distinct biochemical pathways, some of which might be so different that current detection methods cannot recognize them.
Mentioned in 2 videos
Videos Mentioning Shadow Biosphere
Sara Walker: The Origin of Life on Earth and Alien Worlds | Lex Fridman Podcast #198
Lex Fridman
The idea that alternative forms of life, distinct from the known life forms on Earth, might exist largely undiscovered or unrecognized due to their alien nature.
Nathalie Cabrol: Search for Alien Life | Lex Fridman Podcast #348
Lex Fridman
The hypothetical concept that life on Earth may have originated through multiple, distinct biochemical pathways, some of which might be so different that current detection methods cannot recognize them.