In 2023, Duolingo generated over $500 million in revenue with a deceptively simple feature at its core: a streak counter. This wasn't just any counter - it was the result of over 600 experiments conducted across four years, each one peeling back layers of human psychology to understand what truly motivates daily engagement. The numbers tell a compelling story: users who reach just a 7-day streak are 3.6 times more likely to complete their language course,
After a couple of months travelling where I didn't hold back on alcohol and carbs, I decided on radical action to get over my gym-phobia. I flew from France to Thailand, where I moved into a four-storey gym adjoined by 17 hotel rooms. I lived there for a week, taking as many classes, ice baths, saunas and scoops of protein powder as I could handle.
We usually think of the self as something we are-solid, continuous, obvious. Buddhist psychology invites us to look again: The self is not found; it is made. It's a living construction that emerges when our mind repeatedly meets certain objects, reacts strongly to them, and then weaves those reactions into a story that acts like "me." The Mechanics of the Mind In Buddhist psychology, the mind is "object-related."
This problem is urgent because I have seen too many colleagues and friends suffer serious health consequences in the name of productivity. A new research study in the UK and Australia reports that our behaviors are driven by habits and not conscious intention 65% of the time. We all understand that sustaining peak performance over time requires regular maintenance rests, but forming new habits and disrupting old habits will require intentionality, artistic vision, and a combination of diverse tools.
You've seen it on T-shirts, Instagram captions, and coffee mugs: "Good vibes only." But is it just a trendy phrase or is there real science behind the power of positive thinking? As it turns out, there is. Neuroscience shows what many of us instinctively feel: staying optimistic, practicing gratitude, and spreading kindness can do more than just lift your mood. They can actually change how your brain works, and even influence your long-term health. Let's take a closer look at how positivity affects the brain, and how you can train your mind to be more resilient, optimistic, and happier.