"Information is the notes," declares mental-health worker Amy Severinghaus, "But knowledge is the music." You need information to have knowledge, but without knowledge, information lies lifeless.

While both roles support the development and dissemination of scientific information, they do so in different ways — with different audiences, objectives, and career paths. Understanding the ...

Everybody longs to take the tiniest bit of information—a bone shard or the small spot of blood—and discover the whole story behind it. We want to be seen as knowledgeable.