Using a wall he coated with special white-board paint, Columbia University data scientist Nick Tatonetti, center, works through calculations crucial to the algorithms needed to find hidden drug interactions in New York on August 20, 2014. Working with him are doctoral students Tal Lorberbaum, left, and Phyllis Thangaraj. (E. Jason Wambsgans/Chicago Tribune/TNS)
Using a wall he coated with special white-board paint, Columbia University data scientist Nick Tatonetti, center, works through calculations crucial to the algorithms needed to find hidden drug interactions in New York on August 20, 2014. Working with him are doctoral students Tal Lorberbaum, left, and Phyllis Thangaraj. (E. Jason Wambsgans/Chicago Tribune/TNS) E. Jason Wambsgans TNS
Using a wall he coated with special white-board paint, Columbia University data scientist Nick Tatonetti, center, works through calculations crucial to the algorithms needed to find hidden drug interactions in New York on August 20, 2014. Working with him are doctoral students Tal Lorberbaum, left, and Phyllis Thangaraj. (E. Jason Wambsgans/Chicago Tribune/TNS) E. Jason Wambsgans TNS

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