CO-ADAPTATION: Malaria bug may give mosquitoes a super sense of smell. “Malaria parasites give mosquitoes a keener sense of smell, it seems. A small-scale study in the lab finds that mosquitoes infected by the parasite are three times as likely as uninfected mosquitoes to respond to human odours. If the same results are seen in malaria-carrying mosquitoes in the wild, it could lead to new ways to combat the disease.”