Tag: Scientific experiments

An iodine solution, normally a yellowish-brown color, is a classic indicator used to test for the presence of starch. When this solution is dropped onto a potato, a dramatic and unmistakable chemical reaction occurs, resulting in a dark and vibrant color change.

In one famous blind wine tasting experiment conducted by researchers at the University of Bordeaux, trained oenology students were fooled into describing a colorless white wine as having characteristics of a red wine simply because it was dyed red. This study is just one example demonstrating exactly how and why sight affects taste experiments, proving that flavor is a complex, multisensory experience far beyond the tongue alone.

According to the U.S. National Institutes of Health, the average American consumes around 270 calories of added sugar per day, which can be a difficult quantity to accurately track. Fortunately, you can learn how to test if there is sugar in something using simple chemical and observational methods, both at home and in a lab setting.