Come Together

Each of 100 trillion cells in your body has its own DNA, its own molecular factory for building proteins, and its own biochemical circuitry for making decisions. Though self-contained, these cells depend upon each other, and function together as a unified whole. Some species, such as slime molds, live as independent single-celled organisms in their early life, then unify with other slime mold cells into a multicellular organism for the latter part of their life. Roboticists may one day develop small robots that can similarly assemble themselves into a larger, unified meta-robot.

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