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The strong deformation near the tip of a knife slicing a carrot. (a) Fresh carrot. (b) One-week-old carrot. (c) Three-week-old carrot. The extreme deformations in b and c are only possible after fluid has been lost (see ref. 4 for the original analysis). [Reprinted with permission from ref. 4 (Copyright 1998, Annals of Botany Company).]
