Coffee contains the most popular psychostimulant in the world: caffeine. But it's only been relatively recently that coffee has risen to it's esteemed (esteamed?) place in the beverage rankings - the 15th century to be exact. Be glad you're living in the 21st century and not in pre-coffee times when everything was just... well, less energized and lame.
The seeds found inside the berries of the Coffea plant are picked, dried, and roasted. As a general rule, the darker the roast, the stronger the coffee.
Coffee has a long and storied history full of myth and controversy. To read more about the evolution of everyone's favorite liquid fuel, click next.
The Oromo people - an ethnic group in Ethiopia, parts of Somolia, and northern Kenya - might have been the first to recognize the energizing effects of coffee according to local legend but no historical confirmation has ever been made. There's also a story of Kaldi, a 9th-century goat herder who noticed his goats increased energy after chewing on the beans from coffee plants.
Sheikh Omar was also said to have invented coffee after starving in exile in Mocha, Yemen out of hunger. He chewed on some beans from a nearby plant but found them unappetizing in their raw form. So, he tried cooking them which made them hard. In an effort to soften them, he put the beans in boiling water which turned into a dark brown liquid. He drank the liquid which sustained him for three days. Ta-da, coffee!