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: Jan 27 2014
Reward: $15,000 USD
The Dow Chemical Company is the leading producer of polyalkylene glycols (PAGs) used in synthetic fluids and lubricants where petroleum,
Deadline: Jan 11 2014
Reward: $20,000 USD
Conventional washing machines cause excessive damage and wrinkling to clothes primarily during the water removal step. With the introduc
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