# wombat urls ß PLOS Biology: A Calculus of Purpose

Essay Essays articulate a specific perspective on a topic of broad interest to scientists.

See all article types »

A Calculus of Purpose

  • Arthur D Lander
  • Published: June 15, 2004
  • DOI: 10.1371/journal.pbio.0020164

Reader Comments (0)

Post a new comment on this article