Below is the graph of a quadratic function, showing where the function is increasing and decreasing. If we draw in the tangents to the curve, you will notice that if the gradient of the tangent is ...

Vaccine rates for measles, polio, diphtheria and other diseases are decreasing among US children, according to a new study from the US Centers for Disease Control and Prevention. The rate of ...

Honduras is known for having one of the highest homicide rates in the world outside areas of armed conflict. Orlando SIERRA/AFP According to a new research report, despite the overall number of ...

COLUMBUS, Ohio—FirstEnergy will raise its base electricity rates by a net total of $34 million per year for the next few years, after winning state regulators’ blessing for the plan last week. But, on ...