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Nature 452, 158-161 (13 March 2008) | doi:10.1038/452158a; Published online 12 March 2008
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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Efficient Chromosome Doubling: Plant Cell Division
The Seeker is looking for an efficient chromosome doubling method in plants and in particular, metho...
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Canada Excellence Research Chair
- University of Waterloo
- Waterloo Candada
Postdoctoral Research Fellow - Immunology
- Genentech
- South San Francisco, CA, USA
Cosmology: Patchy solutions
George Ellis1
Abstract
The Universe seems to be expanding ever faster — a phenomenon generally ascribed to the influence of 'dark energy'. But might the observed acceleration be a trick of the light in an inhomogeneous Universe?
Ten years ago, observations of distant supernovae brought a startling realization: the Universe's expansion is apparently accelerating. This observation required a quick patch-up of the dynamics of cosmologists' standard 'concordance' model of the Universe.
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