We've had plenty of pre-knowledge on this, but surprisingly this is our first actual glimpse of Google's new unbranded "Cr-48, " the very first Chrome OS laptop.

ENGADGET: Google unveils Cr-48, the first Chrome OS laptop

George Perkovich's meticulously researched and well-written account of India's decades-long quest for nuclear knowledge offers plenty of possible answers.

ECONOMIST: India

Owners know how much money they are making (or losing), but players have little knowledge and plenty of suspicion.

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It also offers plenty of opportunities to bone up on your knowledge of wickets (the three upright sticks the bowler has to hit with the ball to dismiss the batsman), googlies (unpredictably spinning balls), slip-fielding positions (fielders positioned close to the batsman) and ducks (batsmen that get out without scoring).

BBC: A pilgrimage to England��s ��home of cricket��

The American system of trial and error produces doers: Black Swan-hunting, dream-chasing entrepreneurs, with a tolerance for a certain class of risk-taking and for making plenty of small errors on the road to success or knowledge.

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In primitive street markets, plenty of price discrimination goes on, through a mix of haggling and local knowledge.

ECONOMIST: Economics focus: They're watching you | The

Plenty of other candidates will fall by the wayside from lack of self-awareness and introspection, limited knowledge of a school, or the inability to stay organized and on top of the admissions process.

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