If we were to do the same experiment with 1080i, it would be quite different.

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For many investors, however, consumer staples stocks may be appealing now because they are cheap, and they will remain that way as they do things like experiment with new products at multiple price points and compete in new markets abroad.

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The researchers try a version of the experiment where the principals do not communicate with the under-qualified applicants about why they were chosen.

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He is a geneticist at the University of Leicester, just as he was in 1984 when he was conducting a DNA experiment that had nothing to do with identifying individuals.

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His extensive wine list came with an impressive number of half-bottles. (I wish more restaurants would do the same, enabling diners to experiment with different wines.) Following his sage advice, we tried the 2009 Pride Mountain Viognier, followed by the 2010 Hirsch Vineyards San Andreas Pinot Noir.

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But in 1985, David Deutsch, a physicist at Oxford University, came up with a thought experiment that might do this.

ECONOMIST: The universe, it appears, may not be alone

Block grants do very little to give states any more flexibility to experiment with healthcare delivery systems.

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Neither in Egypt, Tunisia, Yemen, Libya, let alone Syria, do the Arabs have the three elements required to set their experiment with democratization and pluralism in the right direction: leaders who put the nation before their own political and religious parties' interests, institutions that are seen as inclusive and legitimate, and a mechanism to ensure that polarization doesn't spill out into the streets in violence.

CNN: Middle East will muddle through 2013