Imagine this: A pesky mosquito sips some of your blood. Hours later, the blood-sucker drops dead, poisoned by the very blood it just slurped down. That may sound too good to be true, but it's a tantalizing possibility, according to research published this week in the journal The Lancet Infectious Diseases. The study points to a potential new tool to fight malaria: the medication ivermectin. Studies conducted in the 2000s, including one in 2010, show that malaria-carrying mosquitoes die after feeding on individuals who have ingested the drug. ......... In their study, the researchers demonstrate that three high doses of...