There are few foods that people feel so passionate about - a passion that goes beyond a love for the sweetness of most candies and desserts: after all, few people crave caramel, whipped cream or chewing gum. Chocolate is also different. For the true Chocoholic can just think of chocolate evoke a pleasurable response. You might want to take a bar or a cup of hot chocolate before you start exploring here. This special online edition of exploring only takes a closer look at the temptation of chocolate candy. We will explore the fascinating - and often inaccurate - history of chocolate, follow the process of making chocolate, and has an online visit to a chocolate factory. We also look at the science of chocolate, and learn the latest research on the possible health effects of its consumption. Finally, we explore a little vexed question of why chocolate makes us feel so good.