On whether RNA or DNA came first (pretty good arguments for RNA, though nothing seems totally compelling): https://en.wikipedia.org/wiki/RNA_world
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
On whether RNA or DNA came first (pretty good arguments for RNA, though nothing seems totally compelling): https://en.wikipedia.org/wiki/RNA_world
