DNA ' s helix may have arisen with startling ease (Image 2)

For research on the possible origins of life chemicals on early Earth, Georgia Tech researchers used a base molecule called a proto-nucleobase (seen here next to a nucleobase), highly suspected to be precursors of nucleobases, the main components that transport genetic code in today’s RNA. [Image ...This is an NSF Multimedia Gallery item.

Source: NSF Multimedia Gallery - August 19, 2019 Category: Science Source Type: video