John Green breaks down some little-known facts about what happens to our brains in la-la land.

PSYCHOLOGY
A new study finds that sarcasm promotes creative thinking for both the expresser and recipient. No, really?
In a study based in the Czech Republic, people who were anxious about making a speech cleaned more thoroughly than their relaxed peers.
A new psychology study finds that performance anxiety hinders lonely people's social interactions.
People who considered themselves experts in a subject were more likely to profess knowledge of fake facts.