So what exactly do magnetic fields actually do? What would happen if they went away? Turns out, it could be catastrophic! SciShow will explain it all in this fun new episode hosted by Michael Aranda! SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Bryan Cloer, Sam Lutfi, Kevin Bealer, Jacob, Christoph Schwanke, Jason A Saslow, Eric Jensen, Jeffrey Mckishen, Nazara, Ash, Matt Curls, Christopher R Boucher, Alex Hackman, Piya Shedden, Adam Brainard, charles george, Jeremy Mysliwiec, Dr. Melvin Sanicas, Chris Peters, Harrison Mills, Silas Emrys, Alisa Sherbow ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow ---------- Original Episodes: https://www.youtube.com/watch?v=aVqN1tW1k7w https://www.youtube.com/watch?v=ia5vxCSiwm4 https://www.youtube.com/watch?v=VfpB0snnbng https://www.youtube.com/watch?v=22iOyzE8Ec0 https://www.youtube.com/watch?v=CdJKKuvQeBo