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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'I can't hear it' - Wimbledon's first day of electronic calling

Some players have said the calls are too quiet. Others say they miss the tradition. How has the first day of electronic line-calling gone at...