It was a Words with Friends chat that first gave Megan Phelps-Roper pause. People have a marked tendency to cling to past investments, whether financial, social, or emotional—even when it becomes ...

Berlin's new airport was supposed to open in 2011 with a budget of 2 billion euros. Instead, it finally opened in 2020 after costing over 6 billion euros. The project was plagued with problems from ...