Astrophysicist and broadcaster Chris Lintott celebrates citizen science projects that allow scientists and non-scientists to make significant contributions to charting the universe. This talk was filmed at TEDxCERN. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit http://go.ted.com/tedxshorts.