Start with two random members from the same country, Backstrom reported, and they are just an average of three hops from knowing each other, Backstrom found.

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The show centers around flash mobs, the phenomenon when a bunch of seemingly random people in a public place suddenly start putting on a coordinated dance show. (For an example see a clip from Modern Family at the bottom of this post.) Fox will premier the show as a special on March 31st after American Idol.

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One idea would be to start with a protein in a random configuration, and then to simulate its folding for a short period.

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In other words, Head Start's impact is no better than random.

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In a sea of random tchotchkes and general junk on the Internet, the start-up is examining the highly designed life and digging through the masses for you.

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But at the moment, the apparent increase could be attributed to any number of factors, such as better diagnosis, or random fluctuations in the incidence of the disease, rather than the start of an epidemic.

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