Plastics are useful but notoriously hard to recycle back into their component chemicals, which limits what else we can do with them. Now, scientists in the US have developed a new catalyst that can break apart common plastics and turn them into chemicals that can be used to make other products. Cambridge University's Taylor Uekert works on ways to deal with plastic waste and she talked Katie Haylor through what the US team have managed to do... Like this podcast? Please help us by supporting the Naked Scientists