Palaeogene Period

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 – Notes from Deep Time: A Journey Through Our Past and Future Worlds

6-minute read

Deep time is, to me, one of the most awe-inspiring concepts to come out of the earth sciences. Getting to grips with the incomprehensibly vast stretches of time over which geological processes play out is not easy. We are, in the words of geologist Marcia Bjornerud, naturally chronophobic. In Notes from Deep Time, author Helen Gordon presents a diverse and fascinating collection of essay-length chapters that give 16 different answers to the question: “What do we talk about when we talk about deep time?” This is one of those books whose title is very appropriate.

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Book review – Mammalian Paleoecology: Using the Past to Study the Present

7-minute read

Scottish geologist Charles Lyell quipped that the present is the key to the past. To say that the reverse also holds is more than just circular reasoning. Felisa Smith, a professor in ecology and evolutionary biology, studies extinct mammals and applies this knowledge to the present. This book is a neatly crafted package that gives the reader all the required background knowledge, while its case studies make for fascinating reading. (Spoiler alert: packrat middens are my new favourite discovery.)

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Book review – Land Bridges: Ancient Environments, Plant Migrations, and New World Connections

Before plate tectonics became an accepted idea in geology, Lyell’s doctrine of uniformitarianism still ruled supreme (see my review of Cataclysms: A New Geology for the Twenty-First Century for a short introduction). A corollary was that the continents supposedly had always been where they are now. One observation scholars had to explain away was that the same fossils occur on both sides of the various oceans. Looking at maps, some people noticed the thin strip of land connecting North and South America and concluded that land bridges must have formed and sunk beneath the waves at just the right times in history to enable migrations (see Four Revolutions in the Earth Sciences: From Heresy to Truth for more details). As explained in The Tectonic Plates are Moving!, we know better nowadays. Nevertheless, the concept of land bridges is still alive and well today, and palaeobotanist Alan Graham here introduces five of them, exploring their effects on biogeography, climate, and human history.

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Book review – Earth History and Palaeogeography

This book is an example of what happens when you go down rabbit holes. I have been reading several books on the subject of palaeontology and geology lately, and I know that the face of the earth has shifted over the hundreds of millions of years of deep history covered in these books. But where were all the continents at different times? Many will have seen the iconic maps of the supercontinent Pangaea. But I want to know more. What happened in between? And before? As Nield tells in Supercontinent: 10 Billion Years in the Life of Our Planet, Pangaea was only one of several such supercontinents in Earth’s history. But I want to know more still. Where exactly were the continents located? And how did they move? Several accessible books have provided snapshots of iconic moments, such as the formation of the Himalayas (Mike Searle’s Colliding Continents: A Geological Exploration of the Himalaya, Karakoram, & Tibet) or the disappearance of the Tethys ocean (Dorrik Stow’s Vanished Ocean: How Tethys Reshaped the World). But I want to know more! This technical reference work contains lots of fantastic palaeogeographical maps that answered all my questions.

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Book review – The Oceans: A Deep History

So, stop me if you’ve heard this one before, but it is often said that we know more about the moon than we do about our own oceans. However, palaeo-oceanographer and climate scientist Eelco J. Rohling points out we know more than you might think. His new book, The Oceans: A Deep History, takes the reader through a 4.4-billion-year history of Earth’s oceans. Much more than just a book about water, this is foremost a book about the intimate link between our planet’s climate and its oceans, as they are far more intertwined than you might give them credit for.

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Book review – Burning Planet: The Story of Fire Through Time

Fire is a force of nature that both fascinates and frightens. Large wildfires around the world seem to be on the rise and are a cause of concern due to the risk to lives and property. But fire also is an essential part of the workings of our planet that pre-dates humans by a long time. How long? For the last 40 years, geologist and palaeobotanist Andrew C. Scott has researched plant remains in the fossil record that have been preserved by fire in the form of fossil charcoal. In Burning Planet, he takes you on a 400-million-year deep-history tour of fire and how it has shaped our planet.

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Book review – Monarchs of the Sea: The Extraordinary 500-Million-Year History of Cephalopods

Cephalopods, the group of molluscs that include the octopus, squid, cuttlefish and nautilus, are some of the most fascinating invertebrates to live in the world’s seas. Especially the octopus is famed for its intelligence and mind-bending acrobatics, being able to squeeze through the smallest hole. There have been some fantastic popular books on cephalopods recently, from William’s entertaining Kraken: The Curious, Exciting, and Slightly Disturbing Science of Squid to several works focusing on the octopus (Godfrey-Smith’s Other Minds: The Octopus and the Evolution of Intelligent Life, Montgomery’s touching The Soul of an Octopus: A Surprising Exploration of One of the World’s Most Intriguing Creatures, which made me tear up in more than one place, Mather et al.‘s Octopus: The Ocean’s Intelligent Invertebrate, and Harmon Courage’s Octopus! The Most Mysterious Creature in the Sea). But, as marine biologist Danna Staaf remarks, what’s been missing is a popular book on the evolution of cephalopods. Having been fascinated with them since childhood, she eventually decided to write Squid Empire. All hail the squid!

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