1899 drawing of neurons
“Nineteenth-century histologists created some of the first images of nerve cells by chemically stiffening tissue and then immersing it in silver nitrate, randomly staining a small number of cells to make them visible when they were viewed with powerful new light microscopes. The technique revealed the silhouette of the cell body and its network of extensions, and it enabled the great neuroanatomist Santiago Ramón y Cajal to prove that the nervous system consists of cells.” — Technology Review, Time Travel Through the Brain
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Wow. Isn’t the fact people did that so inspiring?
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