Letters Building a metaphor

Science is like a vast jigsaw

BMJ 2013; 346 doi: https://doi.org/10.1136/bmj.f221 (Published 15 January 2013) Cite this as: BMJ 2013;346:f221
  1. Paul D P Pharoah, public health doctor1
  1. 1University of Cambridge, Strangeways Research Laboratory, Cambridge CB1 8RN, UK
  1. paul.pharoah{at}medschl.cam.ac.uk

Altman states that the accumulation of knowledge is not like completing a giant jigsaw with explicit boundaries.1 However, I believe that the jigsaw metaphor is more useful than the bricks and houses one.

Science is like a vast jigsaw with boundaries that extend …

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