Despite this, sometimes she manages to find ways of twisting something bad into something good. Polyethylene terephthalate, also known as PET, is one. It is a plastic we have all heard about, man-made and widely used in industry for clothing but also for liquid and food containers, and is frequently shaped into the form of plastic bottles. PET - like other plastics - is piling up on Earth, slowly making its way into ocean sediments and more alarmingly into the food chain. Recently, a team of Japanese researchers discovered a new species of bacterium that has found a way to live off PET thanks to a hydrolase which seems to have evolved especially for this, and has been coined: PETase. Read more.