Scientists were able to measure the emission lines of antimatter! And we may have some new clues about how dinosaurs lost their teeth on the way to becoming birds. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Bella Nash, Kevin Bealer, Mark Terrio-Cameron, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: dftba.com/scishow ---------- 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: Antimatter: www.nature.com/nature/journal/vaap/ncurrent/full/nature21040.html#affil-auth www.sciencealert.com/physicists-have-observed-the-light-spectrum-of-antimatter-for-first-time www.sciencemag.org/news/2016/12/deep-probe-antimatter-puts-einstein-s-special-relativity-test home.cern/about/updates/2016/12/alpha-observes-light-spectrum-antimatter-first-time Dinosaur: www.eurekalert.org/emb_releases/2016-12/cp-tdl121516.php www.ucmp.berkeley.edu/diapsids/saurischia/ceratosauria.html www.cell.com/current-biology/fulltext/S0960-9822(16)31269-6 Images: commons.wikimedia.org/wiki/File:3D_image_of_Antihydrogen.svg commons.wikimedia.org/wiki/File:Emission_spectrum-H.svg commons.wikimedia.org/wiki/File:Limusaurus_BW.jpg commons.wikimedia.org/wiki/File:Platypus_in_Geelong.jpg commons.wikimedia.org/wiki/File:Limusaurus_inextricabilis_holotype.jpg