An idea that just keeps popping up.
http://www.bbc.co.uk/news/science-environment-23872765
http://www.bbc.co.uk/news/science-environment-23872765
Quote:Life may have started on Mars before arriving on Earth, a major scientific conference has heard.
New research supports an idea that the Red Planet was a better place to kick-start biology billions of years ago than the early Earth was.
The evidence is based on how the first molecules necessary for life were assembled.