Neuroengineer Ed Boyden needs to know how the tiny biomolecules in our brains create emotions, ideas and feelings– and he wants to find the molecular modifications that lead to conditions like epilepsy and Alzheimer's. Instead of amplify these unnoticeable structures with a microscope, he questioned: What if we physically enlarge them and make them much easier to see? Learn how the exact same polymers used to make child diapers swell might be a key to better comprehending our brains.
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