Tornado Quick Facts | cnn
cnn — The following is general information about tornadoes, rotating columns of air that are often, but not always, visible…
climate-iab
The Strange History of Groundhog Day and Punxsutawney Phil
cnn — Every year, Americans in the snowy states wait with bated breath to see if Punxsutawney Phil spots their…
Basic data on strategic oil reserves
cnn — Here's a look at what you need to know about the U.S. Strategic Petroleum Reserve. The United States…