Kroger is asking customers to use exact change for cash purchases as the grocery chain deals with a national coin shortage ...

The lack of pennies has turned into a legal issue for stores and retailers. In some states and cities, it is illegal to round up a transaction to the nearest nickel or dime because doing so would run ...

Indicator species are often the first to be affected by change in an ecosystem. Studying these sensitive animals helps scientists detect the effects of climate change and pollution early. Variable ...