Add-on system in Mars water mining operations will screen for introduced and alien life

As noted at NASA's 2019 Carlsbad Conference, we have good reason to think that life could have started on Mars using the same geo-organic chemistry that started life on Earth. If Martian life persists today on Mars, it may be in near-surface ice, low elevations, and caves, all with transient liquid brines, environments that today on Earth host microbial life. Martian life would likely use informational polymers (like DNA); Darwinian evolution requires these, and Darwinian evolution is the only w...