And deadly incrementalism -- the petri dish of bilateral conflict -- and accompanying delay pose a greater risk to U.S.-Russian relations than do the swift and decisive measures enumerated here.

CENTERFORSECURITYPOLICY: Center For Security Policy

The winner, however, was Steve Meretzky, developer of Zoo Tycoon, whose concept game Bac Attack pits players armed with light and radiation against a bacterial colony in a petri dish -- when the player is inevitably overwhelmed by the bacteria, Steve suggests calling the government to arrange a sale.

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Mr Newsom has tried to turn it into a Petri dish for new-media and biotech companies.

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And like any minor or independent league, the D-League is a Petri dish for new ideas in sales and marketing.

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Even more radical was the invention, in 1978, of in-vitro fertilization, or IVF, the now-common technique in which egg and sperm meet in a laboratory petri dish and create an embryo that is then implanted in the would-be mother's womb.

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Rhode Island has long been a Petri Dish, a lab in which micro-experiments in political and economic mischief are tried and perfected by the usual liberal suspects, who then take their capers to the national level.

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The millions of third-party apps in online stores can be a veritable petri dish for malware ready to infect mobile devices and corporate networks.

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Grown in a petri dish, the synthetic bacterium looks almost identical to the natural version and can similarly self-replicate.

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' If a scientist wanted to design a giant petri dish with all the right nutrients to make hypomanic genius flourish, he would be hard-pressed to imagine a better natural experiment than America.

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