Contagious yawning can be annoying, but it might also be a sign of good social skills. It is a type of emotional contagion, a phenomenon in which we tend to share the feelings of people around us. SA MIND editor Sandra Upson explains.
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
Deadline: Jan 12 2014
Reward: $10,000 USD
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