When you’re a teenager, it seems like nobody understands you. And once you’re finished being a teenager and get to observe them as an adult, you have to wonder what on Earth is going through their heads. In my new column for Discover new column for Discover, I gingerly step into the teenage mind, exploring what neuroscientists are learning about how their brains work. Teenagers may do things that seem crazy and/or stupid, but that doesn’t mean they themselves are crazy or stupid. The teen years turn out to be a unique phase of mental life, when we tally up the rewards and costs of our choices with a kind of math that you won’t find in the heads of children or grownups. Check it out.