: By the 15th century, coffee had reached Yemen , where the port of
: A hardier plant that grows at lower altitudes. It has a stronger, harsher, and more bitter flavor—often described as grainy or rubbery—but packs almost double the caffeine at 2.7%. Coffee : everything you ever wanted to know abo...
: Legend credits a goat herder named Kaldi , who noticed his goats became unusually energetic after eating red berries from a certain tree. : By the 15th century, coffee had reached