Does Evolution Happen Gradually or Suddenly?

Visit https://brilliant.org/scishow/ to get started learning STEM for free. The first 200 people will get 20% off their annual premium subscription and a 30-day free trial. Do new traits in evolution happen slowly, or all at once? Two new studies in the journal Science may finally help us solve this mystery. Hosted by: Stefan Chin (he/him) ---------- 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: Adam Brainard, Alex Hackman, Ash, Benjamin Carleski, Bryan Cloer, charles george, Chris Mackey, Chris Peters, Christoph Schwanke, Christopher R Boucher, DrakoEsper, Eric Jensen, Friso, Garrett Galloway, Harrison Mills, J. Copen, Jaap Westera, Jason A Saslow, Jeffrey Mckishen, Jeremy Mattern, Kenny Wilson, Kevin Bealer, Kevin Knupp, Lyndsay Brown, Matt Curls, Michelle Dove, Piya Shedden, Rizwan Kassim, Sam Lutfi ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow Facebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://www.eurekalert.org/news-releases/1030028 https://www.science.org/doi/10.1126/science.ade0529 https://www.science.org/doi/10.1126/science.adi2982 https://www.science.org/doi/10.1126/science.adm9239 Image Sources: https://www.gettyimages.com/detail/illustration/biology-royalty-free-illustration/164552056 https://www.gettyimages.com/detail/video/extreme-close-up-human-eye-iris-stock-footage/895984050 https://www.gettyimages.com/detail/video/ophthalmologist-doctor-showing-structure-of-eye-on-stock-footage/1358191061 https://www.gettyimages.com/detail/video/close-up-shot-group-of-pitcher-plant-tropical-plant-stock-footage/1131739802 https://commons.wikimedia.org/wiki/File:CHILLING_1_0020.jpg https://commons.wikimedia.org/wiki/Category:Nepenthes_gracilis_pitchers#/media/File:Nepenthes_gracilis_with_ant_cropped.png https://www.youtube.com/watch?v=WBeDCmjERXU https://commons.wikimedia.org/wiki/File:Nepenthes_gracilis_-_var._squat.jpg https://commons.wikimedia.org/wiki/File:Nepenthes_gracilis3.jpg https://commons.wikimedia.org/wiki/File:Pitcher_Plant_(Nepenthes_gracilis)_(8439075816).jpg https://www.inaturalist.org/observations/103949807 https://commons.wikimedia.org/wiki/File:Nepenthes_pervillei_Seychelles.jpg https://commons.wikimedia.org/wiki/File:Nepenthes_pervillei_pitcher.jpg https://www.gettyimages.com/detail/video/the-snail-is-laying-eggs-stock-footage/1366168974 https://www.inaturalist.org/observations/80158891 https://www.inaturalist.org/observations/96723832 https://www.inaturalist.org/observations/81976036 https://www.inaturalist.org/observations/129669018 https://www.inaturalist.org/observations/97704452 https://www.inaturalist.org/observations/147448697 https://www.inaturalist.org/observations/185501416 https://www.gettyimages.com/detail/video/human-evolution-stock-footage/146187560 https://www.gettyimages.com/detail/video/dna-stock-footage/1159627887