Superbugs and hospital acquired infections go under the microscope on this weeks Naked Scientists. We find out why Clostridium difficile has become such a problem, how to keep bacteria away from surfaces and see if there's a vaccine for MRSA on the horizon. Plus, we discover where fat cells hide out, why fungi fire spores at amazing speeds and how plant sugars can make perfect petrol. And in Kitchen Science, Ben and Dave launch a liver-powered rocket! Like this podcast? Please help us by supporting the Naked Scientists