You've heard of fracking, and you're pretty sure lots of people don't like it, but do you know how it actually works? Learn more at HowStuffWorks.com: http://science.howstuffworks.com/environmental/energy/hydraulic-fracking.htm Share on Facebook: http://goo.gl/M5kx1i Share on Twitter: http://goo.gl/FbuzEW Subscribe: http://goo.gl/ZYI7Gt Visit our site: http://www.brainstuffshow.com Fracking. You've heard of it. You know it's controversial.
Adelina Silva