India, Aug. 3 -- About 1,000 years ago, in the mountains of Ethiopia, a shepherd boy named Kaldi saw his goats acting strangely. The next day, he followed and saw them eat red berries growing in clumps on a short tree sheltered by the rainforest canopy. He tried a berry and its meagre flesh was sweet, encasing twin seeds. He bit into these too and found them hard and bitter, but within 15 minutes, he had a spring in his step and was hopping along with his goats. This is coffee's origin tale. Back then, the legend goes, local priests began to chew on the bean to help them stay awake through long rituals. It took centuries, journalist Mark Pendergrast writes in his book Uncommon Grounds (1999), for coffee beans to be roasted and brewed. Then,...