The thermometer sinks below zero as a blizzard of fine snow descends on two houses freshly built inside a massive laboratory in northern England.Despite the icy conditions, the two energy-efficient homes remain cozy and warm due to their use of cutting…

South Africa has recorded two confirmed imported cases of cholera, the health department said Sunday, as it called for vigilance.The cases were of sisters who had in January traveled to Malawi, where a cholera outbreak since last year has claimed more …