Life on Earth shockingly comes from out of this world

Early Earth was not very hospitable when it came to jump starting life. In fact, new research shows that life on Earth may have come from out of this world. Researchers have found that icy comets that crashed into Earth millions of years ago could have produced life building organic compounds, including the building blocks of proteins and nucleobases pairs of DNA and RNA.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/L...