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How to Save New Brain Cells

Fresh neurons arise in the adult brain every day. New research suggests that the cells ultimately help with learning complex tasks—and the more they are challenged, the more they flourish

By Tracey J. Shors

New Tactics in the Fight against Tuberculosis

The pandemic is growing in many places, and strains resistant to all existing drugs are emerging. To fight back, biologists are applying a host of cutting-edge drug development strategies

By Clifton E. Barry III and Maija S. Cheung

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