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Nature 431, 1027 (28 October 2004) | doi:10.1038/4311027a; Published online 27 October 2004
Open Innovation Challenges
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Single-cell Analysis Platform
This Challenge is looking for novel approaches to analyzing changes at a single-cell level. This is...
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Methods of Modeling Adaptation in Populations
The analysis of adaptation with a population is a frequently encountered computational modeling scen...
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Comet impact theory faces repeat analysis
Rex Dalton
NASA is backing attempts to duplicate a published claim that a comet impact caused a mass extinction of species about 250 million years ago.The space agency sent three scientists to China earlier this month to collect geological samples in an attempt to repeat the results of Luann Becker, a geochemist at the University of California, Santa Barbara, and her colleagues.
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