Mutant Lice Found in 25 US States


When its time to go back to school, there are so many challenges. And head lice are just one of them. The itchy scalps lead to many days of missed classes. Lice show resistance to common treatments....

Sex-Switching Mosquito Gene Could Help Fight Dengue Fever


The male mosquito is relatively benign. It is the females that are a danger to human beings and human health. Scientists at Virginia Tech have checked out a gene in mosquitoes that determines the sex...