Roland Piquepaille writes "It's not the first time that animal brain cells have been used in conjunction with nanoparticles. But now, a team of Israeli researchers have grown self-organizing networks of rat brain cells by binding them to carbon nanotubes. In a short article, New Scientist reports that these neural networks are remarkably stable, surviving for almost three months in the lab. These hybrid networks could be used in future biological sensors. For example, they could identify a poison by measuring its effect on such a network of brain cells."