• Part 3: Primitive and Complex (and crème brûlée)

    Part 3:  Primitive and  Complex (and crème brûlée)

    By Dr Valerie Jeffries FLS. Exploration of the Solar System looking for evidence of habitability is about ‘primitive life’, with no expectation of anything beyond tiny bacterial-style cells, possibly with viruses. Single-celled life forms ruled Earth for 1.5 billion years before the evolution of bigger modern cells, and in terms of total biomass they still…