Some people hear sounds when viewing the northern lights. An expert explains why that’s possible.

Some people, including Arctic explorers, have reported hearing sounds when viewing the northern lights. An expert explains what could cause those rustling noises: One theory suggests they come from electrically charged particles crackling in Earth’s atmosphere. Loading Something is loading. It’s a question that has puzzled observers for centuries: Do the fantastic green and crimson…

Joe Holder’s Fitness and Wellness MasterClass teaches you oft-overlooked pillars of whole-body health in just 2.5 hours

When you buy through our links, Insider may earn an affiliate commission. Learn more. The Fitness and Wellness Fundamentals MasterClass focuses on better whole-life health. The class is taught by Joe Holder, a Nike Master Trainer and plant-based coach. Overall, I love that the class encourages a holistic, functional approach to movement and eating. Loading…