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Nature 434, 1060-1061 (28 April 2005) | doi:10.1038/4341060a; Published online 27 April 2005

Open Innovation Challenges

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Boycott of Israeli universities sparks academic backlash
United front boosts Asian stem-cell research
Space debris collisions hit unexpected high
Plant-to-pill pharming takes transgenics underground
Briton wins Moore's law paper chase
Hubble marks birthday with fresh image