Buzz·Posted on Jan 4, 2014Everything You Ever Wanted To Know About RedheadsIncluding whether or not gingers are actually going extinct!by Erin La RosaBuzzFeed StaffLinkFacebookPinterestTwitterMail Hank Green, host of the SciShow Youtube channel, is going to explain everything you ever wanted to know about gingers. View this video on YouTube youtube.com SciShow specializes in discussing topics, like red hair, using science and history. (READ: Actual facts) Like why it is that we make up such a small percent of the world population. Tap to play GIF Tap to play GIF Why redheads need more anesthetic at the dentist. And how redheads actually have an evolutionary advantage over everyone else.