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  • Colored design on chemically prepared slab of marble or ivory

    May 13, 2011

  • An endolith is an organism (archaeum, bacterium, fungus, lichen, alga or amoeba) that lives inside rock, coral, animal shells, or in the pores between mineral grains of a rock. Many are extremophiles, living in places previously thought inhospitable to life. (Wikipedia)

    January 14, 2012