Williamson Brothers built 441 Vortex Turbines, selling one of the last ... Comments are closed for this object What's this? Most of the content on A History of the World is created by the ...

Time to bundle up, Big Apple. A polar vortex moving across the eastern half of the United States is set to bring shockingly cold temps to New York City — along with a potential snowstorm.

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...