The impact of discovering life beyond Earth
The search for life in the Universe, once the domain of science fiction, is now a robust research program with a well-defined roadmap, from studying the extremes of life on Earth to exploring the possible niches for life in the Solar System and discovering thousands of planets f…
Beginning with an introduction to sentience, the book investigates why we are so interested in sentience; when, as a species, humans became sentient; and how it has changed over time. The book defines aspects of sentience such as consciousness, memory and emotions, and discusses…
The Earth that sustains us today was born out of a few remarkable, near-catastrophic revolutions, started by biological innovations and marked by global environmental consequences. The revolutions have certain features in common, such as an increase in the complexity, energy uti…