Mindset
24 Jams or 6: What the Famous Choice-Overload Study Really Measured
A 2000 jam-tasting study became proof that more options freeze us. Two later reviews found a messier picture, and the conditions where overload shows up.
Attention
Habits
Stale Popcorn, Eaten Anyway: Why Habits Outlast the Pleasure
People with strong cinema-popcorn habits ate week-old popcorn about as much as fresh in a cinema, but less in a meeting room. What that means for habits.
Money
Why cars at 79,900 miles sold for about $210 more than at 80,100
In over 22 million used-car auction sales, average prices dropped at each 10,000-mile mark. How left-digit bias can tilt what you pay and are offered.
Success
Van Halen's No-Brown-M&M's Rule and the Art of the Cheap Check
Van Halen's rider banned brown M&M's. David Lee Roth said it was a quick test of whether venues read the contract. Here's how to use a cheap check.