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Research Highlights

Nature 445, 570-571 (8 February 2007) | doi:10.1038/445570a; Published online 7 February 2007

Open Innovation Challenges

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Optoelectronics: Speedy silicon
Neurobiology: Prion symptoms reversed
Immunology: The right kind of help
Palaeontology: Could the 'hobbit' hunt?
Metagenomics: Invisible communities
Materials Science: Stiffer than diamond
Astronomy: Super-Earth model
Zoology: Food poisoning
Neurons brought to light
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