How can anyone tell who really has the expertise that they need? What is this thing called expertise that they are looking for anyway? A definition of the term expertise seems obvious enough. Expertise is what someone knows that others do not. It reflects a specialty, such as microbiology, astrophysics, law, or nursing. One could also count among areas of expertise more mundane items, such as plumbing, painting, the ability to direct someone to the right aisle in a supermarket, or being able to identify what song is playing on the radio. In science communication, expertise takes on a critical role in that the science communicator needs to make a scientist's expertise available, understandable, and useful for nonexperts.

People want to call on a scientist's expertise ...

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