Let’s Move for the $60,000 Apps for Healthy Kids competition. Create innovative, fun and engaging web- or mobile- based games and tools that encourage children directly or through their parents to make more nutritious food choices and be more physically active.

It is a huge environmental waste to package and transport bottled water to offices when there is already running water in the building that could be filtered, cooled, and made available to office workers for hydration. Water companies are driving large trucks that pollute the environment to...

Would you like to make a contribution of historical proportions? Here's your chance. This challenge is to create technology that can literally help to reshape our world, liberate hundreds of millions of people from repression, and bring down evil regimes in the process. There are few...