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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Title hopeful Norris beaten to Qatar pole by rival Piastri

Oscar Piastri pips McLaren team-mate and title rival Lando Norris to pole position for the potentially title-deciding Qatar Grand Prix. fr...