Watson Mixes Drinks; Streetfight: Moses, Jacobs, Sadik-Khan

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Artificial intelligence threatens to "destroy human history and culture," wrote a Korean journalist after champion Go player Lee Se-dol lost to Google’s AlphaGo A. But IBM offers a friendlier picture: with a little help from Watson’s cognitive computing, we will have more interesting cocktails and gift choices. Is that what we need, and does Watson get it right? Plus, a new opera dramatizes the epic battle between Robert Moses and Jane Jacobs, and Janette Sadik-Khan continues the fight over the streets of New York, employing the might of Moses and the human scale of Jacobs.

Photo: Pepper, the face of AI