Living Neurobots Built From Real Cells Blur the Line Between Biology and Machines
Tufts University Researchers Create Self-Organizing Robots With Biological Neural Circuits
Researchers at Tufts University have created neurobots — tiny, free-swimming assemblages of living cells that organize into self-directed systems complete with neurons that wire themselves into functional circuits. The breakthrough, reported in Advanced Science, represents a fundamental shift from imitating biology to building with it.
How Neurobots Work
Unlike traditional robots that use electronic circuits to process information, neurobots use:
- Living neurons that self-organize into functional circuits
- Free-swimming cell assemblages with internal control
- No external computing — the biological tissue IS the controller
- Self-directed behavior emerging from neural network activity
The Research Team
The neurobots are the latest advance in a series of increasingly sophisticated biological machines developed by Tufts biologist Michael Levin and collaborators. Their work builds on xenobots, first described in 2020, which were simpler living machines made from frog cells.
Why It Matters
The implications span multiple fields:
- Neuroscience: Understanding how simple neural networks give rise to complex behaviors
- Cyborg systems: Integrating biological tissue with engineered control
- Medicine: Potential applications in precision tissue repair
- Environmental cleanup: Living machines that could clean contaminated environments
- Manufacturing: Bio-engineered systems that grow rather than are built
Expert Reaction
Kate Adamala, a synthetic biologist at the University of Minnesota who was not involved: My general reaction is, Wow, this is amazing! This truly puts the engineering component into bioengineering.
The work represents a convergence of synthetic biology, neuroscience, and robotics that could eventually produce machines with capabilities impossible to achieve through purely mechanical engineering.
Source: IEEE Spectrum https://spectrum.ieee.org/neurobot-living-robot-nervous-system