On August 21, 2017, the moon's shadow will race from Oregon to South Carolina in what some consider to be the most awe-inspiring spectacle in all of nature: a total solar eclipse. Umbraphile David Baron chases these rare events across the globe, and in this ode to the bliss of seeing the solar corona, he explains why you owe it to yourself to witness one, too. The TED Talks channel features the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and more. Follow TED on Twitter: www.twitter.com/TEDTalks Like TED on Facebook: www.facebook.com/TED Subscribe to our channel: www.youtube.com/TED