A pair of stubborn molecules, prized because they can survive deep time, just passed an important Mars test by failing a very different one on Earth. The molecules are pristane and phytane, hydrocarbo...
A pair of stubborn molecules, prized because they can survive deep time, just passed an important Mars test by failing a very different one on Earth.
The molecules are pristane and phytane, hydrocarbons tied closely to living organisms. They have lon... [7827 chars]