TOP BLOGS OF THE DAY for 2/20: What TJ is reading

The linguistic genius of babies


“Uncertainty touches the best of what is human in us”: Q&A with Lesley Hazleton

Ask IBM insiders about Watson, the Jeopardy computer

Inspiring a life of immersion: Jacqueline Novogratz

New playlist: A Taste of TED2011

Experts and IBM insiders break down Watson’s Jeopardy! win

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