sea urchins

Book review – The Earth: A Biography of Life

6-minute read

I have previously jokingly called the “Earth biography” a rite of passage for science writers; many authors try their hand at it at some point. Fortunately, the Earth is big and time is deep, so there are numerous ways to tell this story. Here, it is palaeontologist Elsa Panciroli’s turn. Next to many unusual examples by which to tell the story of life’s evolution, her writing stands out for correcting common misconceptions and for its inspired language.

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Book review – Serendipity: An Ecologist’s Quest to Understand Nature

Sea otters don’t eat algae. And yet, their diet influences the abundance of seaweed. How? Indirectly. Sea otters eating sea urchins (spiky animals in the same class as sea stars) eating kelp has become a textbook example of a trophic cascade, and Serendipity is a first-hand account by ecologist James A. Estes of how this happened. A trophic cascade refers to the indirect effects that ripple through a food web as a result of, for example, a predator consuming its prey. Simultaneously, the book is a searingly open account of how science is done, how ideas change, and how fortuitous events can suddenly send your research programme off in a whole new direction.

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