→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKtcg?list=PLR0XuDegDqP2Acy6g9Ta7hzC0Rr3RDS6q Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut Keanu Reeves Gives Away Millions ... and 6 other Celebrity Facts https://youtu.be/6F_NzmAQbg4?list=PLR0XuDegDqP1IHZBUZvKkPwkTr6Gr0OBO When Humans Started Shaving Different Parts of Our Bodies https://youtu.be/Am7uIOSxSH4?list=PLR0XuDegDqP0GESJ0DgpgTcThLJVEbFs8 In this video: The mechanics of a person’s voice is an awesome biological phenomenon born from the need of women to gossip. It all starts with the air in the lungs. As air passes from your lungs to the outside of your mouth, it can be manipulated in several ways. Should you decide a vow of silence is appropriate and simply want to blow out candles your entire life, you can force air out and all that is heard by others is the sound of wind rushing from your mouth. Should you need to take a more Opera Winfrey approach, you can use your larynx, or voice box. Want the text version?: http://www.todayifoundout.com/index.php/2011/09/why-breathing-helium-changes-the-sound-of-your-voice/ Sources: http://phys.unsw.edu.au/phys_about/PHYSICS%21/SPEECH_HELIUM/speech.html http://www.straightdope.com/columns/read/1803/why-does-helium-make-your-voice-squeaky http://www.kidzworld.com/article/505-did-donald-duck-inhale-helium http://www.physlink.com/education/askexperts/ae36.cfm http://en.wikipedia.org/wiki/Helium