Have you ever wondered why humans lack the regenerative ability found in salamanders and some lizards? Why can these animals regrow their amputated limbs and we can't? Scientific American contributor Yasmin Tayag explains.
Deadline: Jan 27 2014
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The Dow Chemical Company is the leading producer of polyalkylene glycols (PAGs) used in synthetic fluids and lubricants where petroleum,
Deadline: Dec 11 2013
Reward: $52,000 USD
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