A new foot fossil has surprised researchers who study how walking evolved in primates. The foot is the same age as the famous 'Lucy' fossil, but the shape of its bones suggest it walked differently and could represent a newly-discovered species.
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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