Episode XI: The Age of Complex Life

For billions of years, life remained small and patient. The oceans were filled with cells that divided and adapted, altering the atmosphere, reshaping chemistry, and preparing conditions without any sense of preparation. The world had been rewritten at the microscopic scale. Oxygen accumulated. The ozone layer thickened. Nutrient cycles matured into interlocking systems. Stability, though … Continue reading Episode XI: The Age of Complex Life