Atlas Obscura on Instagram: "Imagine watching the Northern Lights and hearing them crackle, hiss, or sizzle. Arctic communities have reported it for centuries, but scientists have said it was impossible. Now, new research reveals those mysterious sounds may be real, and much closer to us than we thought. For more on this, visit Untold Earth's episode "There's Something Weird Going on with the Northern Lights" on PBS Terra. 🌏 This series is made in partnership with @pbsnature."

Emergency Prep | Outdoor Skills on Instagram: "How to make a shadow compass in the Northern Hemisphere. 吝 ☀️ Note: The sun rises in the East and sets in the West…but shadows cast on the opposite side of the light source so when you’re creating a shadow compass, it’ll be West first, East second. . . . #outdoors #hiking #camping #survival #survivalskills #prepper"