Every organism on Earth has an expiration date. For humans, it's around 78 years, but some people make it to 100 or beyond. Scientific American editor Katherine Harmon explains how these outliers outlive the rest of us.
Deadline: Jul 15 2013
Reward: $5,000 USD
SciBX: Science-Business eXchange, a joint publication from the makers
Deadline: Jun 29 2013
Reward: $7,000 USD
The Seeker for this Challenge desires proposals for chemical methods that could rapidly degrade a dilute aqueous solution
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