Fri. 10/22 - A Solar Storm Proved the Vikings Visited The Americas Exactly 1000 Years Ago

<p><strong><em>Thanks to a collab between trees and the sun, we can now pinpoint an exact year that the Vikings were in North America. Plus, are sirens actually effective tools for emergency vehicles? And why are apples associated with Halloween? Like what is up with apple bobbing?</em></strong></p><p>Sponsor:</p><ul><li>Shopify, Get a 14-day free trial at <a href="http://shopify.com/kottke" rel="noopener noreferrer" target="_blank">shopify.com/kottke</a></li></ul><p>Links:</p><ul><li><a href="https://www.syfy.com/syfywire/cancel-columbus-day-sun-storms-pinpoint-europeans-being-in-canada-in-1021-ad" rel="noopener noreferrer" target="_blank">Vikings visited North America in 1021 AD, long before Columbus</a> (Syfy)</li><li><a href="https://www.nytimes.com/2021/10/20/science/vikings-newfoundland-age.html?utm_source=ground.news&amp;utm_medium=referral" rel="noopener noreferrer" target="_blank">Vikings Were in the Americas Exactly 1,000 Years Ago</a> (NY Times)</li><li><a href="https://www.nytimes.com/2021/10/19/us/sirens-noise-ambulances-fire-department-police.html" rel="noopener noreferrer" target="_blank">Sirens: Loud, Ineffective and Risky, Experts Say</a> (NY Times)</li><li><a href="https://www.npr.org/sections/thesalt/2013/10/30/241924745/the-secret-steamy-history-of-halloween-apples" rel="noopener noreferrer" target="_blank">The Secret, Steamy History Of Halloween Apples</a> (NPR)</li><li><a href="https://bookshop.org/books/halloween-from-pagan-ritual-to-party-night/9780195168969" rel="noopener noreferrer" target="_blank">Halloween: From Pagan Ritual to Party Night</a> by Nicholas Rogers</li><li><a href="https://lifehacker.com/throw-your-onions-in-the-trash-cdc-says-1847907564" rel="noopener noreferrer" target="_blank">How to Tell If Your Onions Are Linked to a Salmonella Outbreak</a> (LifeHacker)</li><li><a href="https://www.cdc.gov/salmonella/oranienburg-09-21/index.html" rel="noopener noreferrer" target="_blank">Salmonella Outbreak Linked to Onions</a> (CDC)</li><li><a href="https://kottke.org/" rel