Scientists have developed a way to make simple oil droplets “smart” enough to navigate through a complex maze, almost like a trained lab rat. This technique might help cancer drugs reach their target.

Bartosz Grzybowski, Northwestern University (NU) chemical scientist and bio-engineer, and his colleagues note that the ability to solve a maze is a common scientific test of intelligence.


The scientists developed postage stamp-sized mazes, and infused them with an alkaline solution, and placed a gel containing a strong acid at the exit, says a release of the American Chemical Society.



The study was published in the weekly Journal of the American Chemical Society.

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