A Simple Sourness Detector

Introduction Have you ever wondered why some foods or drinks taste sour whereas others do not? You might know that your tongue is picking up all kinds of flavors, including salty, sweet, bitter and so…

The Problem with Vanilla

Edmond Albius was an enslaved worker in the French colony of Réunion who, after close inspection of the vanilla orchid Vanilla planifolia, figured out how to hand-pollinate its flower to produce …