A record-breaking cold wave has swept through the US Midwest and is stated to be caused by a polar vortex. The polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles. The term “vortex” refers to the counter-clockwise flow of air that helps keep the colder air… Continue reading What’s causing extreme cold in US Midwest
Category: Factly: Science and Technology
This category contains all Current Affairs Factly Articles for Prelims, related to Science and Technology. You can find all relevant Science and Technology related updates on this page. This page is specifically useful for UPSC Prelims exam.

