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New Type of Light-Sensitive Cell Monday, July 27, 2009 - Ehud Rattner Home >> Headlines >> Medicine   
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Nearly all species have some ability to detect light. At least three types of cells in the retina allow us to see images or distinguish between night and day. Now, researchers at the Johns Hopkins School of Medicine have discovered in fish yet another type of cell that can sense light and contribute to vision. Reporting in the journal Nature, the team of neuroscientists shows that retinal horizontal cells are light sensitive themselves. (source: sciencedaily.com)
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