red blood cells

Book review – Life’s Edge: The Search for What It Means to Be Alive

7-minute read

The word biology derives from the Greek words bíos (βίος in Greek), meaning “life”, and -logía (-λογία in Greek), meaning “branch of study”, and is usually defined as “the study of life”. But what is life? Remarkably, biologists cannot agree on a definition. Everyone can name clear examples of living and non-living things. However, as so often in biology, there is no sharp demarcation between the two. There is a grey area where things are, well, somewhat alive? Lifelike? It is these borderlands between life and non-life that famous science writer and journalist Carl Zimmer explores in Life’s Edge. Instead of providing an answer, this intellectually stimulating and rewarding book will help you understand why it is such a hard question to begin with.

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Book review – Fossilization: Understanding the Material Nature of Ancient Plants and Animals

6-minute read

Fossils are our prime source of information about life in the past. As I delve deeper into palaeontology and earth sciences, the process of fossilisation increasingly fascinates me. How does dead biological tissue fossilise? What information is lost, what is added, and what is distorted in the process? And, ultimately, how true or filtered a picture of past life does the fossil record provide? The edited book Fossilization brings together scientists from a range of disciplines working on cutting-edge topics. The result is a well-written if somewhat eclectic collection of chapters that addressed some of my queries and also answered questions I did not even know I had.

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