The price tag for the promise of a mosquito-free summer keeps swelling like the bumps on your arm after an attack by the bloodthirsty varmints. Even though the first electric bug zappers proved ...
Photography and video by Federico Rios Escobar for The New York Times. In a laboratory in downtown Medellín, Colombia, it is lunchtime: A technician in a white coat carries a loaded tray into a steamy ...