ScienceTomorrow Today Viewer QuestionTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience04/27/2015April 27, 2015Alan Olaff Macedo Luna from Guadalajara, Mexico, wants to know: Why do clouds float, though they contain so much water?https://p.dw.com/p/1FEJnAdvertisement