Let me save folks some time and summarize the article: something happened 4bn years ago, it possibly created RNA, it might have created DNA after or concurrentl

Let me save folks some time and summarize the article: something happened 4bn years ago, it possibly created RNA, it might have created DNA after or concurrently (we don't know) and we definitely have no clue about how genetic code was formed, but it must have been done a long long time ago because it is the same on all life. The end.