VIDEO: Mosquitoes can carry some of the most deadly diseases known to man, but that won’t stop some scientists from sacrificing their own blood to feed them for a greater benefit.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what’s possible.
Get More National Geographic:
Official Site: http://bit.ly/NatGeoOfficialSite
Mosquito Death Squad | The Big Picture with Kal Penn