Eataly founder Oscar Farinetti reveals the accidental, serendipitous discoveries that gave birth to some of the world's most well-known gastronomic delights. Did you know that your morning coffee could be thanks to a herd of energetic goats? Or that a forgotten ingredient is behind the invention of the beloved brownie? Who got the fright of their life discovering corn could pop? And which popular soft drink first started out as a medicinal...