Earth's first life may have sprung up in ice

02/11/2013 07:18

by Linda Geddes
IF YOU thought life evolved in bubbling hot springs, think again. Pieces of RNA have been made that can copy RNA strands longer than themselves, supporting the idea that the first life was based on self-replicating RNA, not DNA. What's more, they work best in the cold, hinting that life began on ice. [Read more] ...