GoFigure tells you how much you have to sleep to feel rested, depending on your age.
This time GoFigure takes a look at our garbage, specifically what we're throwing out for recycling and reuse.
The potential of vitamin D to combat diseases is being studied. Here are some of the common sources of the vitamin.
According to the Energy Information Administration, China, the United States and Asia are among major polluters that are expected to increase emissions over the next 20 years.
Meteorologists are predicting an active season for 2011, with more impact on the U.S. coastline than last year.
The United States has the largest fleet of hybrid electric vehicles in the world, with more than 2 million hybrid electric automobiles and SUVs sold through June 2011.