http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. In areas where malaria mosquitoes have become resistant to chemical pesticides, mosquito-killing fungi can be an effective tool. Fungal spores can effectively infect and kill malaria mosquitoes, even those that are resistant to pesticides. Moreover, the mosquitoes become more susceptible to the pesticides as the fungal infection increases. Researchers from Wageningen University and their colleagues from South Africa have published an article on this effect in the prestigious journal PNAS (Proceedings of the National Academy of Sciences) of this week. http://www.physorg.com/news173007435.html Chemistry Thu, 24 Sep 2009 10:38:05 EST news173007435 (PhysOrg.com) -- Bed bugs, once nearly eradicated in the built environment, have made a big comeback recently, especially in urban centers such as New York City. In the first study to explain the failure to control certain bed bug populations, toxicologists at the University of Massachusetts Amherst and Korea`s Seoul National University show that some of these nocturnal blood suckers have developed resistance to pyrethroid insecticides, in particular deltamethrin, that attack their nervous systems. http://www.physorg.com/news150651765.html Biology Thu, 08 Jan 2009 15:42:45 EST news150651765