长期以来，公司、市场营销人员和教师一直在寻找有趣的方式来激发人们追求奖励或竞争的精神。
Companies, marketers and teachers have long looked for fun ways to engage people's reward-seeking or competitive spirits.
在美国，教师们仍然质疑他们教育者的工作是否可以通过“学习成果”来衡量，比如毕业生的调查和推理能力。
The faculty remain doubtful that their work as educators can be measured by a "learning outcome" such as a graduate's ability to investigate and reason.
另一个粉丝，一位来自伊拉克的物理教师吗，在信中倾诉道：你就是我的科学之父。
A fan who said he was a physics teacher from Iraq gushed: "You are now my Scientific Father."
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