Thursday, January 31, 2019

Polar vortex: What is it and how does it happen?

The deep freeze gripping much of the US has been blamed on a polar vortex. Here's what that means.

from BBC News - Home https://bbc.in/2Sex5LW

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Watch: Match of the Day

Kelly Cates presents highlights from eight Premier League games. from BBC News https://ift.tt/80O9dU2