Blacksmiths are some of the most useful villagers to trade with in Minecraft, offering essential gear such as tools, weapons, ...

University of Vermont graduate student Delaney Bullock gathers runoff samples from two agricultural fields to be analyzed for nutrient concentrations on March 12 in Bridport, Vt. A field used for corn ...

When pollution gets bad enough in the rivers supplying Iowa's largest city with drinking water, it costs Des Moines around $16,000 a day to run a special system to filter out dangerous nitrates. It's ...