Let's start with the early 16th-century urine wheel at the top of this page, which we first spotted on a Scientific American blog. The wheel was first published in 1506 in a book by Ullrich Pinder, a ...

The wheel was first published in 1506 in a book by Ullrich Pinder, a German physician, and describes the color, smell and taste (yes, taste!) of urine, and then links them to diseases.

If you haven't heard, yesterday was , and its sponsors, the Water Supply and Sanitation Collaborative Council and the World Toilet Organization, suggest you take a moment to consider the profound ...

A physician examines a patient's urine flask in this 17th century print by Isaac Sarrabat. Image: CollectionImages from the History of Medicine (NLM) ...

If you haven't heard, yesterday was , and its sponsors, the Water Supply and Sanitation Collaborative Council and the World Toilet Organization, suggest you take a moment to consider the profound ...