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"Students teams use a laparoscopic surgical trainer to perform simple laparoscopic surgery tasks (dissections, sutures) using laparoscopic tools. Just like in the operating room, where the purpose is to perform surgery carefully and quickly to minimize patient trauma, students' surgery time and mistakes are observed and recorded to quantify their performances. They learn about the engineering component of surgery. "

Opportunity, the decade-old Mars rover that has surprised everyone by exploring for more than a decade after its mission ended, is showing signs of slowing down. Now, NASA has a plan to hack it.