#SciAmBlogs Friday - Veins on Mars, Pop Music, Lance Amstrong, Climate Change, Earth Strata, and more.

By Bora Zivkovic?| January 18, 2013 |??

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- John Covach ? Taking Pop Seriously

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- Caleb A. Scharf ? Veins, not Flowers, on Mars

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- David Bressan ? Book Review: On the Strata of the Earth

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- David Wogan ? Weekend Reading: ?What We Know About Climate Change?

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- DNLee ? Feministing Friday: Why does the F-word bother some men?

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- Cassie Rodenberg ? Pain Doesn?t Compare to Withdrawal

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- Khalil A. Cassimally ? Khalil?s Picks (18 January 2013)

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- Scicurious ? Friday Weird Science: Barnacle sperm spray

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- Larry Greenemeier ? Lance Armstrong Comes Clean?a Mixed Blessing for Sports

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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.

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The views expressed are those of the author and are not necessarily those of Scientific American.

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