Strong Evidence that Simple Life is Easy Likely Common in the Universe
by Brian Wang from NextBigFuture.com on (#6RSMH)
New evidence changes best estimate of the start of life on Earth and time when the earth will become uninhabitable due to changes in the Sun. Previously, scientists believed that life (simple single cell) started 700 million years after the earth cooled and oceans formed. New evidence has pushed this start date to 200 million ...