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Contact: Diana Lutz
Washington University in St. Louis

Yehuda Ben-Shahar, Washington University in St. Louis

Caption: Yehuda Ben-Shahar, Ph.D., assistant professor of biology, (left) and Xingguo Zheng, a Ph.D. candidate in neuroscience and co-author on the paper, are examining fruit flies in the lab.

Credit: Whitney Curtis/WUSTL Photo Services

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