What this means is that geoscience is an inextricable component of biology. Why might it be important to discuss what is alive, whether that means adopting a narrow defi nition or a broad one?

defying classification as either alive or dead. Such definitional challenges have parallels in other fields, like bacterial persistence, where consensus definitions were necessary to prevent ...

That one might articulate such an exceptional perspective on life—yet not personally endure it—captures the triumphs, the tragedies, and the mysteries that define what it means to be alive.

It raises deeper questions about what it means to be alive, to be human. In the context of space and time, who are we and do we even matter? It’s a humbling work because it reminds you how ...