Other, spurious data may be requested that have no bearing on the review process or publication decision, perhaps because the information is useful to the journal (submission to not-forprofit journals such as PeerJ is notably less time-consuming). In our view, the best way to save our diminishing earthworm workforce is to use routine vermicomposting of organic wastes and to manage soils in ways that respect permaculture principles and practices. Axel Hochkirch Trier University, Germany. rob.blakemore@gmail.com Note limitations of DNA legislation The draftbill on forensic DNA phenotyping (FDP) in Germany should take into account the technology's scientific and operational limitations, as well as the social contingencies regarding its use (see Nature 543, 589-590; 2017). The use of these technologies also requires a balanced framework of governance, including judicial, ethical and regulatory oversight by independent governmental bodies (see go.nature. com/2oq090e). Initially used to unite larger theropods with the sauropodomorphs, the term could...