Globe and Mail: A new mosquito trap designed by a Canadian researcher is almost seven times more effective than conventional devices, according to a new study conducted in northern Guatemala, providing hope that the spread of mosquito-borne viruses such as Zika can be better controlled. Laurentian University researcher Dr. Gerardo Ulibarri has been crafting and testing mosquito traps for years. His latest is called the ovillanta. The low-cost trap, made from discarded tires and other recycled materials, has proven...