For those of you shivering in the United States, you may have read that a "polar vortex" is to blame for the shockingly low temperatures. For a new look at that phenomenon, the folks at NOAA have … [Read more...]
For those of you shivering in the United States, you may have read that a "polar vortex" is to blame for the shockingly low temperatures. For a new look at that phenomenon, the folks at NOAA have … [Read more...]