Have you ever wondered why some people can grow a full beard and others can't? One of the most commonly searched questions on the internet is "How Do I Grow a Beard?" As usual, science has an answer for that! Hosted by Hank Green. Don't forget to ask YOUR most pressing questions with the hashtag #WMAQ - we'll answer a bunch of them in a new video November 6. Watch more of the World’s Most Asked Questions here:    • World's Most Asked Questions   And don’t forget to subscribe to null ---------- 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: null Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com/ Thumbnail Image: https://commons.wikimedia.org/wiki/File:Beard_Trimming.png Sources: http://www.ncbi.nlm.nih.gov/pubmed/3301105 http://www.scientificamerican.com/article/fact-or-fiction-if-you-shave-or-wax-your-hair-will-come-back-thicker/ http://www.cbc.ca/airplay/episodes/2013/11/07/the-science-behind-growing-facial-hair/