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Letters to the Editor


12:23pm, January 13, 2012

The eyes have it
Just finished the latest issue of your spectacular magazine. I’ve been a reader for many years, but this is the first time I’ve felt compelled to write in. In the article about the tadpole (“Tiny voltage grows eyes in strange places,” SN: 12/31/11, p. 5), the final sentence is a quote from Coffman: “The fact that a narrow range of voltage is enough to specify an eye is kind of amazing.”

What might be even more amazing is if researchers find out the voltage level that prompts cells to initiate and grow malignant tumors. I hope someone will help me stir up some interest in this research idea.
Bob Wyrick, Portland, Ore.

Dreaming clearly
Laura Sanders’ article “First brain image of a dream made” (SN: 12/17/11, p. 10) is most interesting; however, the definition of lucid dreaming is incomplete. Sanders writes, “Lucid drea

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