Carl Zimmer: Life's Edge—The Search for What It Means to Be Alive
The SARS-CoV-2 virus has used humans to make quadrillions of copies of itself. It also mutates. But is it alive? Many virologists say no: viruses get their sustenance only inside their host species’ cells. What is life anyway? In Life’s Edge: The Search for What It Means to Be Alive, Carl Zimmer explores efforts by physicians, scientists, philosophers, & historians to answer this timeless question.