In a single year, there are 200-300 million cases of malaria and 50-100 million cases of dengue fever worldwide. So: Why haven't we found a way to effectively kill mosquitoes yet? Hadyn Parry presents a fascinating solution: genetically engineering male mosquitoes to make them sterile, and releasing the insects into the wild, to cut down on disease-carrying species. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more. Find closed captions and translated subtitles in many languages at http://www.ted.com/translate