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Using DNA To Shape Nanostructures

October 14, 2011
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Chemists and materials scientists are trying to learn to build ultra-small, precisely ordered structures for use in optics, electronics, and other applications. Writing in the journal Science, Chad Mirkin and colleagues describe a way to use snippets of DNA to tailor the shape and size of crystal structures, tweaking them to fit specific uses.

Arts & Culture

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Book News: Judge's Comments Bruising To Apple's Price-Fixing Case

Also: Mary Karr on addiction and David Foster Wallace; Maria Semple calls Jonathan Franzen her "big daddy."

Food

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Guava Paste And Tamarind? What To Do With Weird Food Gifts

Have a food that has you stumped? Submit a photo and we'll ask chefs about our favorites.

Politics

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Political Attacks Ramp Up In U.S. Senate Race In Mass.

In Massachusetts, what's been a relatively lackluster campaign to fill the U.S. Senate seat vacated by Secretary of State John Kerry is heating up. Veteran Democratic Rep. Ed Markey is running against Republican Gabriel Gomez, a businessman and former Navy SEAL. Gomez is a political newcomer.

Technology

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Viewers To Decide If Amazon's Sample Shows Make The Cut

Amazon is piloting 14 possible shows for its streaming video service. The audience will vote on which shows it likes best. TV critic Eric Deggans says the process and the shows would like to be breaking ground for a new media — but they aren't.

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