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Emma Marris writes back from Saint Louis, where thousands of scientists and policy experts are meeting to swap news in all areas of research, from climate change to bioterrorism. The American Association for the Advancement of Science meeting runs from 16-20 February.
Kendall Powell travels to Kansas City for the first public screening and discussion of a controversial film about the intelligent design debate. She writes back from the scene to tell us about Flock of Dodos: the Evolution-Intelligent Design Circus.
Geoff Brumfiel writes back from Washington DC, where astronomers gather to discuss everything from black holes to white dwarves, and the meaning of the Universe.
