It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...

Update 11:00 am UTC: This article has been updated to include quotes from Philipp Zentner. FTX is preparing to distribute more than $1.2 billion in repayments to the bankrupt former cryptocurrency ...