Bioengineers who work with Dictyostelium slime molds held the Dicty World Race in Boston in May for a $5,000 prize and intellectual adulation at the annual International Dictyostelium Conference in Potsdam, Germany, in August. The molds oozed down the 800-micrometer (0.0315 inches) track, lured to the finish line by ordinary bacteria. A Netherlands team beat out 19 others for the coveted prize.
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