For a long time, we could only guess what color a dinosaur might be. But in the past decade, there has been an explosion of color. Go to http://Brilliant.org/SciShow to try out Brilliant’s Daily Challenges. Sign up now and get 20% off an annual Premium subscription. Hosted by: Hank Green SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow ---------- 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: Bryan Cloer, Chris Peters, Matt Curls, Kevin Bealer, Jeffrey Mckishen, Jacob, Christopher R Boucher, Nazara, charles george, Christoph Schwanke, Ash, Silas Emrys, Eric Jensen, Adam Brainard, Piya Shedden, Alex Hackman, James Knight, GrowingViolet, Sam Lutfi, Alisa Sherbow, Jason A Saslow, Dr. Melvin Sanicas, Melida Williams, Tom Mosner ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: http://www.scishowtangents.org/ Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow ---------- Sources: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5895446/ https://pubs.geoscienceworld.org/gsa/geology/article/49/7/784/595631/Maturation-experiments-reveal-bias-in-the https://etd.ohiolink.edu/apexprod/rws_olink/r/1501/10?clear=10&p10_accession_num=akron1530962281275019 https://www.nature.com/articles/s41467-019-10087-2 https://www.nature.com/articles/s41586-019-1282-4 https://www.sciencedirect.com/science/article/pii/S138614251830903X?casa_token=Jr-aJ6ljzSMAAAAA:r_X0Nj7hIYzWgvQlkiRAaYOa4vfgh_TRFO2OOET1s_ieU_lhbQTL7b3ehAhhNXORPAS_nPJ6bw https://www.amnh.org/research/science-news/2012/four-winged-dinosaur-s-feathers-were-black-with-iridescent-sheen https://www.nhm.ac.uk/discover/dino-directory/microraptor.html Images https://commons.wikimedia.org/wiki/File:Simple_reflectance.svg https://opuntiavisual.org/opuntiavisual/2016/9/4/structural-color-when-light-transforms-into-art https://commons.wikimedia.org/wiki/File:Bruchfl%C3%A4che_eines_Perlmuttst%C3%BCcks.JPG https://commons.wikimedia.org/wiki/File:Santana_Group_-_fossilized_feathers_and_Dastilbe_fossil.jpg https://commons.wikimedia.org/wiki/File:Melanophores_with_dispersed_or_aggregated_melanosomes.svg https://commons.wikimedia.org/wiki/File:Spectral_image_of_Rayleigh_and_Raman_scattering_of_ethanol.jpg https://www.istockphoto.com/vector/rainbow-background-gm1207347554-348566132 https://www.istockphoto.com/photo/littoral-zone-underwater-gm174426615-25810863 https://commons.wikimedia.org/wiki/File:Palais_de_la_Decouverte_Tyrannosaurus_rex_p1050042.jpg https://www.istockphoto.com/photo/black-panther-panthera-pardus-adult-snarling-in-defensive-posture-gm1256653107-368020089 https://www.istockphoto.com/photo/male-and-female-cardinal-birds-gm475212550-65206567 https://www.istockphoto.com/photo/ankylosaurus-in-a-forest-gm1095074698-293936610 https://en.wikipedia.org/wiki/File:Hell_Creek_dinosaurs_and_pterosaurs_by_durbed.jpg https://www.istockphoto.com/photo/wild-african-birds-group-birds-of-pink-african-flamingos-walking-around-the-blue-gm1255139255-367094361 https://www.nature.com/articles/s41467-019-10087-2#rightslink https://www.istockphoto.com/photo/soft-water-background-gm1210381929-350627844 https://www.eurekalert.org/multimedia/663527 https://www.istockphoto.com/photo/blue-morpho-butterfly-morpho-peleides-gm487553378-73520035 https://www.istockphoto.com/photo/red-eyed-tree-frog-gm108348088-14376031 https://www.istockphoto.com/photo/scanning-scanning-electron-microscope-gm882330534-245548628 https://www.istockphoto.com/photo/horse-hair-background-gm485879315-38184602