Media Summary: President Obama's Science and Technology Advisor, Dr. John Holdren, Subscribe to BBC News www.youtube.com/bbcnews Subscribe to BBC News HERE Ever wondered what ... It's cold out there. And you may be wondering if ...
Polar Vortex Explained In 150 Seconds - Detailed Analysis & Overview
President Obama's Science and Technology Advisor, Dr. John Holdren, Subscribe to BBC News www.youtube.com/bbcnews Subscribe to BBC News HERE Ever wondered what ... It's cold out there. And you may be wondering if ... Temperatures in the Midwest are nearing all-time record lows as a powerful Part 4 of my Crash Course in Atmospheric Physics. In this video we The deep freeze gripping much of the US has been blamed on a
