A researcher in China used the gene editing technique known as CRISPR to change the DNA of human embryos. Hank unpacks why this is being universally condemned by scientists. Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Alex Hackman, Andrew Finley Brenan, Lazarus G, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.newscientist.com/article/2186911-crispr-babies-more-details-on-the-experiment-that-shocked-the-world/ www.nature.com/articles/d41586-018-07545-0 www.technologyreview.com/s/612458/exclusive-chinese-scientists-are-creating-crispr-babies/amp/?__twitter_impression=true www.newscientist.com/article/2123973-first-results-of-crispr-gene-editing-of-normal-embryos-released/ www.the-scientist.com/news-opinion/us-companies-launch-crispr-clinical-trial-64746 www.newscientist.com/article/2186956-scientists-are-now-very-sure-that-the-babies-really-were-gene-edited/ www.nature.com/articles/d41586-018-07607-3