Nanosponges soak up more than 100x their weight in oilRice, Penn State researchers laced carbon nanotubes with boron to create reusable oil-soaking sponges that show promise for environmental cleanup, among many uses.
Source: Nanosponges soak up more than 100x their weight in oil (http://www.zdnet.com/blog/emergingtech/nanosponges-soak-up-more-than-100x-their-weight-in-oil/3228)