November 7, 2011?|
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Image of the Week #16, November 7, 2011:
From: Learning the Look of Love: In your Eyes, the Light the Heat by Cheryl Murphy at the Guest Blog.
Original source: Frank J. Padrone/Full Circle Photography
Judging by the eyes alone, which woman is more attractive? If you answered the first, it may be because her pupils are slightly larger than in the second image. Numerous studies have shown that women are considered more feminine and attractive when their pupils are dilated. The reason may have to do with dopamine. In addition to being responsible for excitement, energy and motivation, dopamine causes pupillary dilation.
About the Author: Bora Zivkovic is the Blog Editor at Scientific American, chronobiologist, biology teacher, organizer of ScienceOnline conferences and editor of Open Laboratory anthologies of best science writing on the Web. Follow on Twitter @boraz.More??
The views expressed are those of the author and are not necessarily those of Scientific American.
Source: http://rss.sciam.com/click.phdo?i=14e9909ce1314a946fe48a3e8c9bb9b6
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