Mosquitos are blamed for about 725,000 annual deaths, mostly through the transmission of malaria. But a scientific breakthrough pioneered at Harvard's Wyss Institute could provide our best weapon yet to combat these tiny mass killers.  


Kevin Esvelt is the technology development fellow at Harvard’s Wyss Institute who's behind the discovery.

Tim De Chant is the senior digital editor at WGBH’s NOVA and editor of the online platform NOVA Next.