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Nature Methods 6, 487 (1 July 2009) | doi:10.1038/nmeth0709-487

Will planets reveal the light of their life?

Michael Eisenstein

Until somebody finally gets around to inventing warp drive, the search for life outside our solar system will probably depend on surveillance methods that can spot organic 'fingerprints' over a considerable distance. One potentially useful signature for life (as we know it) is homochirality.