For a long time, my favorite vice was Coke. I drank more Coke and Diet Coke than any other drink – including water! But when my teeth started falling apart, I swore off that sweet brown nectar and haven’t had one in years. But I do still have one dark master: chocolate. As every chocoholic knows, this gem of the jungles is complex and delicious. But did you know there’s more to it than just the taste? A chocolate bar might just help you out of a survival situation. Here’s how.