Why asparagus makes pee smell funny, and other amazing facts about everyday foods and spices

Do you know which popular holiday spice can help soothe a toothache? Or why chocolate is toxic to dogs and cats?

By digging deep into the molecular chemistry of everyday foods and spices, Cambridge-based chemistry teacher Andy Brunning has the answers.

And you don't have to be a chemistry-expert to understand them.

Brunning heads the popular science website Compound Interest and recently published the book "Why Does Asparagus Make Your Wee Smell?: And 57 other curious food and drink questions."

Here are 15 of Brunning's amazing graphics about the chemistry of asparagus, cloves, coffee, nutmeg, and much more: