This Slug Should Be Impossible

To get 20% off an annual premium subscription to Brilliant, go to https://brilliant.org/realscience/ Watch this video ad-free on Nebula: https://nebula.tv/videos/realscience-... SUBSCRIBE TO MY NEWSLETTER https://stephaniesammann.substack.com Thumbnail: © Patrick J. Krug, Creative Commons CC BY-NC 3.0 license, via Wikimedia Commons My socials: Patreon:   / realscience   Instagram:   / stephaniesammann   Images Courtesy of Getty Images Thanks to our Patreon Supporters: Eric Ypsilantis REFERENCES: [1] Kawaguti S Yamasu T . 1965. Electron microscopy on the symbiosis between and elysioid gastropod and chloroplasts of a green alga. Biological Journal of Okayama University11, 57–65. [2] https://royalsocietypublishing.org/do... [3] https://academic.oup.com/biolinnean/a... [4] https://academic.oup.com/plphys/artic... [5] https://journals.plos.org/plosone/art... [6]]https://link.springer.com/article/10.... [7] https://journals.plos.org/plosbiology... [8] https://pmc.ncbi.nlm.nih.gov/articles... [9] https://www.cell.com/current-biology/...