On October 7, 2021, scientists recorded a total-column ozone concentration of 102 Dobson units, the 8th-lowest level since 1986. Colder-than-average temperatures and strong winds in the stratosphere circling Antarctica contributed to its size.<br /><br /><br />- -<br />Videos • Explainers • Science News<br />SUBSCRIBE to the Live Science YouTube channel → http://www.shorturl.at/fzCV5<br />Twitter→ https://twitter.com/LiveScience<br />Facebook→ https://www.facebook.com/livescience<br />Instagram→ https://www.instagram.com/live_science/<br /><br />For the science geek in everyone, LiveScience.com breaks down the stories behind the most interesting news and photos on the Internet, while also digging up fascinating discoveries that hit on a broad range of fields, from dinosaurs and archaeology to wacky physics and astronomy to health and human behavior. If you want to learn something interesting every day, #LiveScience is the place for you.
