Characteristic features of plants, such as their active ingredients or flower color, may have developed through very ...

Since the early 1800s, practitioners of organic chemistry have been fascinated with a group of plant-derived compounds called "alkaloids." Alkaloids contain at least one nitrogen atom among other ...

This video segment, adapted from NOVA uses reenactment footage to show how chemist Percy Julian completed the total synthesis of physostigmine, an alkaloid derived from the Calabar bean that could be ...