Just Updated for November: Find Out How Many People Use 1,000 of Your Favorite Social Networks, Apps and Digital Services
All you have to do to earn the foursquare Curiosity Explorer Badge is follow NASA on foursquare and then check in to three venues on their tip list. You will then earn your shiny new badge and see the following message:
Get out your rock-vaporizing laser! You’ve explored your scientific curiosities just like NASA’s Curiosity rover on Mars. Stay curious and keep exploring. You never know what you’ll find.