Margulis na NASA e um IBM PC em Marte

If we take a typical inner planet and measure the atmospheric gases, we will have primarily carbon dioxide, some nitrogen and trace amounts of oxygen. Oxygen and nitrogen will remove each other – that is, they’ll react, form nitrates, and remove these gases from the atmosphere […]. But if we look at the atmosphere of the Earth, we have a […]

We are our virus (Margulis 1998)

We are persuaded that viruses do not belong in any of the five kingdoms. They are not alive since outside living cells they do nothing, ever. Viruses require the metabolism of the live cell because they lack the requisites to generate their own. Metabolism, the incessant chemistry of self-maintenance, is an essential feature of life. Viruses lack this. Through ceaseless […]