Wheelchair users may soon have greater freedom of movement than ever before with the development of a new chair equipped not just with wheels but legs as well.
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 12 2014
Reward: $10,000 USD
Give a 1 year subscription as low as $14.99X