For your submission
The Polar Vortex, Explained in Two Minutes
Want to know more about the frigid blast of air that's been sweeping the country this week? Dr. John Holdren, Assistant to the President for Science and Technology and Director of the White House Office of Science and Technology Policy, has got answers for you. (You're going to want to see this one.)
Join our special "We the Geeks" Hangout on the Polar Vortex this Friday.