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[email protected] . MAY-JUNE 2011 VOLUME 113, NUMBER 5 FEATURES 27 Fathoming Metabolism INCOLN A new way of studying humanity’s inner chemistry promises deep insights into L OSE health and disease R page 45 by Jonathan Shaw 32 Vita: Leverett Gleason DEPARTMENTS Brief life of a comics impresario: 1898-1971 4 Cambridge 02138 by Brett Dakin Communications from our readers 9 Right Now 34 World’s Best Blogger? Safe crossings for four-footed Andrew Sullivan, fiscal conservative friends, the power of proximity, NSTITUTION and social liberal, navigates I modern malaise IC K APH A the changing media landscape 8A