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Replanting coastal forests destroyed by last December's tsunami sounds like a good idea — especially if they protect against future storms. But such plans need nurturing if they are to succeed, Erika Check discovers.
In the wake of Hurricane Katrina, coastal experts are trying to gauge the destruction to Louisiana's marshes. Emma Marris travels to the coast to learn what might be saved — and what might not.
Natural disasters have wreaked havoc on the planet in the past twelve months, and some say that things will only get worse. Quirin Schiermeier assesses the world's growing vulnerability to catastrophe.
Jimmy Wales' Wikipedia comes close to Britannica in terms of the accuracy of its science entries, a Nature investigation finds. UPDATE: see details of how the data were collected for this article in the supplementary information. UPDATE 2 (28 March 2006). The results reported in this news story and their interpretation have been disputed by Encyclopaedia Britannica. Nature responded to these objections .