Why Are Periodical Cicadas So ... Periodical? скачать в хорошем качестве

Why Are Periodical Cicadas So ... Periodical?

Certain cicada species in North America emerge from the ground by the millions every 13 or 17 years. But why those specific intervals? Are cicadas secretly prime-number-loving mathematicians?! SciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium subscription. Hosted by: Michael Aranda SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon:   / scishow   ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Alisa Sherbow, Silas Emrys, Drew Hart. Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Christopher R Boucher, Eric Jensen, Adam Brainard, Nazara, GrowingViolet, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, charles george, Alex Hackman, Chris Peters, Kevin Bealer, Jason A Saslow ---------- Looking for SciShow elsewhere on the internet? Facebook:   / scishow   Twitter:   / scishow   Tumblr:   / scishow   Instagram:   / thescishow   ---------- Sources: https://esajournals.onlinelibrary.wil... https://academic.oup.com/aesa/article... https://academic.oup.com/mbe/article/... https://www.pnas.org/content/110/17/6919 https://peerj.com/articles/5282/ https://esajournals.onlinelibrary.wil... https://www.jstor.org/stable/10.1086/... https://www.jstor.org/stable/2463533?... https://www.smithsonianmag.com/scienc... https://www.aimsciences.org/journals/... Images: https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://freesound.org/people/dethrok/... https://www.storyblocks.com/video/sto... https://www.storyblocks.com/video/sto... https://www.storyblocks.com/video/sto... https://www.storyblocks.com/video/sto... https://www.storyblocks.com/video/sto... https://www.storyblocks.com/video/sto... https://www.storyblocks.com/video/sto... https://www.storyblocks.com/video/sto... https://www.storyblocks.com/video/sto... https://www.istockphoto.com/vector/hi... https://www.istockphoto.com/photo/sev... https://www.istockphoto.com/vector/ca...