The Giants Shoulder

#94 Meet The Scientist Who Created The First Living Robot

Feb 12, 2026
Dr. Josh Bongard, a computer scientist and roboticist who co-created Xenobots, discusses AI-designed living systems. He describes how frog cells were shaped into moving, self-repairing constructs. Short takes cover cognition at tiny scales, memory without brains, kinematic self-replication, ethical questions about synthetic life, and how AI can reveal new biological principles.
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ANECDOTE

The First Xenobot Moment

  • Josh Bongard describes the visceral shock he felt the first time a xenobot behaved as the AI predicted during Thanksgiving 2019.
  • He recalls his legs going to jelly and walking the hall, overwhelmed by the realization of AI-designed living constructs.
INSIGHT

Cognition At Multiple Scales

  • 'Cognition all the way down' means decision-making and planning may occur at cellular and subcellular scales.
  • Observed organism-level behavior emerges from lower-level cellular interactions rather than being exclusive to whole organisms.
ANECDOTE

Slipping On Ice As A Systems Example

  • Josh compares a novice slipping on ice to how semi-independent cells stabilize organisms during surprises.
  • He explains waves of 'non-surprise' from less-perturbed cells can rescue the whole body from failure.
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