Biologists who study the malaria mosquito's 'nose' have found that it contains a secondary set of odor sensors that seem to be specially tuned to detect humans. The discovery could aid efforts to figure out how the insects target humans and develop a preference for them.

If you could peer into the mind of a female mosquito, you would find that her world is dominated by smell rather than sight or sound.

— Read more at For female mosquitoes, two sets of odor sensors are better than one at PhysOrg.