alien lifeforms

• Intraterrestrial 'aliens'?

  Does our planet harbour as yet undiscovered lifeforms based on silicon instead of carbon? It's an old (and somewhat cranky) idea, but some respected astronomer dude is writing a book about the possibi

  silicon earth life alien seti based lifeforms crust intraterrestrial [»]

  by PaulRaven, 1198 days ago, 1 User, more info

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