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<_description>
-This demonstrates a search algorithm designed for locating a source of
-odor in turbulent atmosphere. The searcher is able to sense the odor
-and determine local instantaneous wind direction. The goal is to find
-the source in the shortest mean time.
+Searches for a source of odor in a turbulent atmosphere. The searcher
+is able to sense the odor and determine local instantaneous wind
+direction. The goal is to find the source in the shortest mean time.
http://en.wikipedia.org/wiki/Anemotaxis