Description:  This image shows nutrient flow in a fungus. The yellow represents carbon, the red nitrogen, and the blue phosphorus. The fungus ingests nutrients from its periphery to its center and distributes the nutrients from its center to its outer parts, creating a bottleneck at the center.
Source:  Mark Fricker, Oxford University
Story:  Traffic model maps congestion
TRN July 27/August 3, 2005
TRN Categories:  Physics; Networking
Form:  Still

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