
Using Behavioral Science to Build an Exercise Habit
A new scientific research project to help you get active—and keep you motivated
Katherine L. Milkman is a professor at the Wharton School of the University of Pennsylvania who researches behavioral economics and co-directs the Behavior Change for Good Initiative, which created the StepUp Program.

Using Behavioral Science to Build an Exercise Habit
A new scientific research project to help you get active—and keep you motivated

When Do Favors Expire?
Research suggests it’s never too early to ask for a favor in return

The Secret to Online Success: What Makes Content Go Viral
The psychological dimensions of what gets shared and shared and shared again