Should add 2020 to the title. This is the relevant paper: https://www.pnas.org/content/117/4/1853 https://www.pnas.org/content/117/4/1853 I am curious to hear

Should add 2020 to the title. This is the relevant paper: https://www.pnas.org/content/117/4/1853 https://www.pnas.org/content/117/4/1853 I am curious to hear what HN thinks of calling these things robots. These are frog embryos that have been surgically reshaped and had muscle cells implanted in them.