"Cells can be directly democratic, and don't need a special governor or president to orchestrate them. In a village of several hundred, the people can probably get together and decide what to do, but a country would be a total mess without a government. 'Self-organisation is so mysterious. We still can't explain why the cells come together to make an eye. It's something that makes me completely in awe of life.'"
Growing nerve tissue and organs is a sci-fi dream. Moheb Costandi met the pioneering researcher who grew eyes and brain cells.
Written by Moheb Costandi, read and produced by Barry J Gibb
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