How Does... With James May | BBC Earth Science

How does deodorant work? How do noise cancelling headphones work? In his own distinctive way, James May explores the mechanism and functionality of various everyday objects. Best of Earth Science: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos Takken from How Does... With James May. This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-feedback--contact-details.aspx