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Niamh Garvey

@markarayner I am really trying to get this but as usual my #autism is preventing me from getting the joke (and yes I do know who Rod Steward is)

2 comments
Mark A. Rayner

@niamhgarvey Cones are the photo receptive cells in our retina that allow us to see colors. Rods are the photoreceptive cells that help us see in low light.

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