by Robin Scholz
Emad Tajkhorshid, left, and doctoral student Yi Wang sit in front of an image showing channels of different widths created by proteins in cell walls to let water or sugar molecules through.
Emad Tajkhorshid's wife probably wouldn't let him pick the paint for the living room; he admits he's bad with colors.
But that didn't stop organizers of an art exhibit in New York from inquiring about visual handiwork by him and colleagues at the University of Illinois Beckman Institute.
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