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In the December 5 Issue:
- TABLE OF CONTENTS
- Climate might be right for a deal: Copenhagen negotiations will take steps toward a climate-stabilizing treaty
- Botanical Whales: Adventures in the Tortugas reveal that seagrass fields need saving too
- Breaking the Speed Limit: Studies examine physiology and technology to better foresee the ultimate edge of human performance
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GRAIN DROPS
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A simulation shows how a stream of grains in freefall breaks into clusters, similar to the way water droplets form in the flow of water out of a faucet.
Credit: H.Gruetjen, J.Royer, S.Waitukaitis, H.Jaeger/The University of Chicago
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