Where does the flu come from, and how can we make the flu vaccine better? A scientist armed with pipe cleaners and 10,000 RNA samples explains. Vox presents a new video contributed by Flora Lichtman and Sharon Shattuck and made possible by the Alfred P. Sloan Foundation. The new study this video was based on: http://www.nature.com/nature/journal/vaop/ncurrent/full/nature14460.html?WT.mc_id=TWT_NatureMagazine Subscribe to our channel! http://goo.gl/0bsAjO Vox.com is a news website that helps you cut through the noise and understand what's really driving the events in the headlines. Check out http://www.vox.com to get up to speed on everything from Kurdistan to the Kim Kardashian app. Check out our full video catalog: http://goo.gl/IZONyE Follow Vox on Twitter: http://goo.gl/XFrZ5H Or on Facebook: http://goo.gl/U2g06o