World Cup Scams Are Getting Harder to Spot

You got a World Cup ticket. It arrived in your inbox with a QR code, professional branding, and a confirmation email that looked like the real thing. Unfortunately, it wasn’t. For years, spotting a scam…




The Surprising Fix for Robot Traffic Jams

Wheeled robots used in the crowd density experiment. Credit: Lucy Liu / Harvard SEAS Harvard researchers found that adding a little randomness to robot movements can prevent gridlock and dramatically boost efficiency in crowded swarms….






Host a ’90s-Style Hangout

The Touch Grass Challenge Let’s log off and head outside. Week 4 Get Creative Welcome to week three of our monthlong summer challenge! If you’ve been with us so far, you’ve been taking device-free walks…