Media Summary: President Obama's Science and Technology Advisor, Dr. John Holdren, explains Graduate student at U. Oklahoma explains mechanics of A rare and powerful atmospheric event is unfolding high above
The Polar Vortex Crash Course 4 - Detailed Analysis & Overview
President Obama's Science and Technology Advisor, Dr. John Holdren, explains Graduate student at U. Oklahoma explains mechanics of A rare and powerful atmospheric event is unfolding high above We all hear this term tossed around, but what really is Tuesday is the coldest day of the year due to plunging temperatures tied to this weather phenomenon. Welcome to the official ... It's already a lot to endure frigid winter conditions, but what happens when we get an unwelcome visit from an even colder spell of ...