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Nature 445, 695 (15 February 2007) | doi:10.1038/445695a; Published online 14 February 2007
Open Innovation Challenges
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Direct Molecular Detection of Proteins and Nucleic Acids
This Challenge is looking for novel approaches to protein and nucleic acid detection. This is an Id...
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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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Scientist / Sr. Scientist - Biopharmaceutics
- Syngene International
- Bangalore, Karnataka 560099 India
Paleobiologist / Biogeochemist
- University of Cincinnati
- Cincinnati, Ohio, USA
Pigments help to date disputed masterpiece
Alison Abbott
Art collector George Lester Winward acquired this beautiful Madonna and child, now known as the De Brécy Tondo, in 1981 at a country-house sale in England. The more he studied it, the more he became convinced that it was painted by the Renaissance artist Raphael — not least because of its striking resemblance to Raphael's sixteenth-century Sistine Madonna in the Gemäldegalerie Alte Meister in Dresden.
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