Summary: This week we speak with NASA's Planetary Protection Officer to find out if we could, and should, introduce life onto Mars. Plus we ask is a human producing Vitamin D a bit like a photosynthesising plant?.....
Summary: This week we speak with NASA's Planetary Protection Officer to find out if we could, and should, introduce life onto Mars. Plus we ask is a human producing Vitamin D a bit like a photosynthesising plant?.....