Subscribe - it's FREE! - http://goo.gl/EpIDGd And please support us on Patreon - https://goo.gl/ZVgLQZ Thanks to ScienceAlert for support! - http://www.sciencealert.com/ MinuteEarth is available as a free iTunes podcast! - https://goo.gl/sfwS6n We're also on facebook - http://facebook.com/minuteearth And twitter - http://twitter.com/MinuteEarth MinuteEarth provides an energetic and entertaining view of trends in earth's environment -- in just a few minutes! Drawings by Ever Salazar Created by Henry Reich, with Alex Reich, Peter Reich, Emily Elert, and Rose Eveleth. Music by Nathaniel Schroeder: http://www.soundcloud.com/drschroeder