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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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Protect Enzyme from In Planta Degradation
A proposal for stable expression of an enzyme in corn seed is desired.
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Fast Growth of Transformed Soybean Shoots
A method for accelerating growth of soybean shoots is desired.
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Faculty Positions
- University of Delhi
- Delhi, India
Postdoctoral Positions
- Fox Chase Cancer Center
- Philadelphia, PA United States
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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