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Caption: This video shows an overhead view of a short segment of an experiment (top panel) and demonstrates how the tracking software uses the infrared footage to extract the positions and trajectories of the fish (bottom panel). This video has been sped up to twice normal speed. This video relates to a paper that appeared in the Feb. 1, 2013, issue of Science, published by AAAS. The paper, by Andrew Berdahl at Princeton University in Princeton, N.J., and colleagues was titled, “Emergent Sensing of Complex Environments by Mobile Animal Groups.”
Credit: [Video by Colin J. Torney]
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