You’ve discovered what chick flick and ice cream flavor you are. Now try a new personality quiz.

Millions of people volunteer in their communities and around the world every day. What drives people to work without pay to make the world a better place? We’ve each got our own reasons, but we fall into five basic categories. What’s yours?

Science

Archaeology student found a lost Maya city on page 16 of a Google search

Identity

Psychologist explains 7 personality traits of people who walk fast

Life Hacks

The classic ‘two envelope problem’ riddle pits math against psychology

Culture

A birth mother called to reject an adoption. Their answering machine greeting changed her mind.