VIDEO: Re-engineering mosquitos to fight disease

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 mosquitos yet? In this TED Talk, Hadyn Parry presents a fascinating solution: genetically engineering male mosquitos to make them sterile, and releasing the insects into the wild, to cut down on disease-carrying species.