Kitaoka's image: twitter.com/AkiyoshiKitaoka/status/836382313160171521/photo/1?ref_src=twsrc%5Etfw It has been two years since “The Dress” divided the internet. A Japanese psychology professor created the new mind-boggling image that has been making the rounds on the internet. Meanwhile, the new study shows the truth about sex pheromones of humans. Hosted by: Hank Green Learn more about the March for Science: www.marchforscience.com/ Knowledge Is Power Merch: store.dftba.com/collections/scishow ---------- 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 Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- 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: rsos.royalsocietypublishing.org/lookup/doi/10.1098/rsos.160831 www.sciencedirect.com/science/article/pii/S0018506X08001864 www.cell.com/current-biology/fulltext/S0960-9822(14)00327-3 nymag.com/selectall/2017/02/strawberries-look-red-without-red-pixels-color-constancy.html www.sciencedirect.com/science/article/pii/S0042698910004402 isle.hanover.edu/Ch06Color/Ch06OpponentCells.html www.ncbi.nlm.nih.gov/pmc/articles/PMC3121536/ Image Sources: commons.wikimedia.org/wiki/File:Androstadienone_chemical_structure.png commons.wikimedia.org/wiki/File:Estratetraenol_chemical_structure.png