Teresa Hollerbach illustrates the history of modern temperature-taking:

"It might now seem obvious that fevers are connected to a high body temperature—in many cultures, the question 'do you have a temperature?' is clear evidence of this—but it hasn’t always been the case."

In this guest article for The Conversation UK, Research Scholar Teresa Hollerbach gives a historical overview of the development of thermometers, granting insight into the evolution of a now crucial medical practice.