Part of what makes Twizzlers and Jolly Ranchers so appealing is their vibrant red color. The same can be said for the red velvet cake beckoning from behind the glass at your local Giant supermarket ...

Tutankhamun’s sarcophagus, Van Gogh’s poppies, and Britain’s red coat uniforms share something: they all derived their red color from the roots of the rubiaceae plant. A new addition to that list are ...