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Nature 443, 882 (19 October 2006) | doi:10.1038/443882a; Published online 18 October 2006

Open Innovation Challenges

  • Single-cell Analysis Platform

    • Deadline: Dec 02 2009
    • Reward: $5,000 USD

    This Challenge is looking for novel approaches to analyzing changes at a single-cell level. This is...

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    • Reward: $10,000 USD

    The Seeker is looking for methods to analyze consumer emotions. This Challenge requires only a writ...

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A brief history of death switches

David Eagleman1

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Immortal remains.

There is no afterlife, but a version of us lives on nonetheless.At the beginning of the computer era, people died with passwords in their heads and no one could access their files.