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 3/10 Fair --- scienceblogs.com http://feeds.feedburner.com/ABlogAroundTheClock
Saturday, May 03, 2008 --- 83 days ago http://feeds.feedburner.com/~r/ABlogAroundTheClock/~3/282350680/compared_to_your
| You and I, as well as all of our mammalian brethren, have just a few photopigments, i.e., colored molecules that change shape when exposed to light and subsequently trigger cascades of biochemical reactions leading to changes in electrical properties of sensory neurons, which lead to modulation of neurotransmitter release, which propagates the information from one neuron to the next until it is integrated and interpreted somewhere in the brain - we see the light!
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