Thursday, 31 January 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 - World https://bbc.in/2Sex5LW

No comments:

Post a Comment

Lebanon says two paramedics among 13 killed in Israeli strikes

Lebanon's health ministry says the paramedics were carrying out a rescue mission in Nabatieh in response to an earlier attack that kille...