Crazy biologically possible papers

subsection: A recording device for cell history

https://www.nature.com/articles/s41598-019-50971-x
https://www.pnas.org/doi/10.1073/pnas.1217505110

https://www.nature.com/articles/d41586-018-07291-3?utm_source=twt_nnc&utm_medium=social&utm_campaign=naturenews&sf201649100=1