When it comes to coffee, for some of us, the stronger the better. If the popular arabica isn't packing enough of a punch, try ...

Coffea arabica and Coffea canephora, widely known as robusta. Arabica has plenty of varieties, such as geisha or bourbon, but these are like types of apples you can find in a supermarket—whether ...

and tea (Camellia sinensis) use different enzymes to generate caffeine—xanthine methyltransferases (XMT) and caffeine synthases (CS), respectively. Furthermore, comparisons of the coffee genome ...

La Union is best known for surfing, but inland far beyond the coast, another industry is emerging—coffee farming in the highlands. In the misty mountains of Bagulin, coffee farming is taking root, ...