Science

The Science of Streaks: Why Your Brain Loves Them, Hates Losing Them, and What That Means for Habit Building

Duolingo's tiny flame shapes the habits of tens of millions of people. Here's the psychology behind streaks - and why harsh streak design can backfire.

Why Doing Things in Public Changes Everything About Habit Building

Doing something privately and doing it where others can see you are psychologically different acts. Here's the science behind public accountability — and why it might be the missing piece in your habit practice.