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12 min 52 sec
Available in:Englishไทย

An Immense World: How Animal Senses Reveal the Hidden Realms Around Us

Shows how animals from ants to sharks sense a world that humans miss, through echoes, scent, vibration, infrared heat, magnetism and electricity, and what their senses reveal about the limits of our own perception.

Table of Content

Most of us treat our five senses as a full report on the world around us. In An Immense World, science journalist Ed Yong shows how partial that report is. Sea turtles and spiny lobsters steer by the earth’s magnetic field, and a small beetle can pick up the heat of a forest fire dozens of miles away.

Yong’s case is that every creature lives inside its own sensory world, and the human version is only one thin slice of what is out there. Looking through the senses of other animals reveals what we miss. It also exposes a few abilities our own bodies have that we rarely use.

Color, echoes, scent, touch, vibration, heat, magnetism and electricity each get their turn. The reward is a sharper understanding of your own perception, a set of stories worth retelling, and a new respect for the creatures that share your street, your garden and your sea.

Some animals have more color-detecting cells than we do, yet their view of the world may be poorer than ours. One tiny water flea shows why owning the equipment is only half of seeing.

A man who lost his eyes as a baby can walk his neighborhood and duck under branches he never touches. His story turns a bat’s trick into something human, and reveals its limits from the inside.

A colony of ants will raise a stranger’s child as its own if the scent is right. The same chemistry explains why your dinner loses its appeal the moment your nose is blocked.

A mole with a star on its nose can find and swallow a meal faster than you can blink, and leaf-shaped bugs hold conversations no human ear catches. Touch turns out to carry far more than we notice.

Baby loggerheads that had never touched seawater still turned toward the route their parents swim. A beetle and a lobster add their own feats, and together they expose a map written in forces we cannot feel.

Some fish wrap themselves in an electric field, and one of them carries enough charge to kill a horse. Others need no field of their own at all, because every living body is already giving one off.

Yong’s tour amounts to a change of scale. The five senses most people learn in school are one small window, and through it we miss a fire glowing dozens of miles off, a magnetic map beneath the sea and melodies drummed on leaves. We can mimic a dog’s two-cone colors with editing software. A turtle’s compass or a shark’s feel for living electricity stays beyond us, open only to imagination.

That act of imagining is what the book asks of its readers. Picturing another creature’s senses builds empathy for it, and it raises a question Yong wants us to keep asking: how is the way we live changing their sensescapes, their sensory experience of the places we share? His hope is that asking it moves us toward living in harmony with them.

The practice can start small. When an animal behaves in a way that puzzles you, ask what its senses are actually telling it before you judge. The next time a cold dulls your dinner, notice that taste stayed put while flavor slipped away. And remember Daniel Kish ducking under a branch he cannot see, a reminder that your own senses can do more than you have asked of them.

The world was always this full of signals. Most of them simply arrive on channels we were never built to receive.

About this book

What is this book about?

Ask people to name the senses and most will list the familiar five. Ed Yong argues that those five are a small window onto a much larger world. Other animals pick up forces we cannot feel at all, and even the senses we share with them often work in ways we would struggle to imagine. Yong moves through the animal kingdom one sense at a time. Water fleas treat color as a trigger for instinct. A blind man named Daniel Kish finds his way with tongue clicks. Ants are fooled by a caterpillar that smells like their young. A star-nosed mole identifies food in about a tenth of a second. Beetles detect forest fires dozens of miles off, newly hatched turtles follow a magnetic map of an ocean they have never seen, and sharks track the faint electricity of living prey. Readers get a vivid tour of senses beyond our own and a fresh look at the ones we have. They also get a reason to care: understanding how other creatures experience their surroundings builds empathy and makes it easier to see how human life may be disturbing theirs.

Book Information

Rating:

Genre:

Nature & the Environment, Science

Topics:

Biology, Ecology

Publisher:

Penguin Random House

Language:

English, ไทย

Narrator:

Evelyn

First published:

June 21, 2022

Pages:

480

Length:

12 min 52 sec

Get the book:

Amazon

Who it's for

  • Wanting vivid animal science

    Curious readers who want vivid, retellable science about how other animals perceive the world.

  • Wondering what creatures sense

    Pet owners, gardeners and nature lovers wondering what the creatures around them actually sense.

  • Interested in perception

    Anyone interested in perception who wants a fresh look at sight, smell, taste and touch.

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About the Author

Ed Yong

Ed Yong is a British-American science journalist who has reported for The Atlantic and whose work has also appeared in National Geographic, the New Yorker, Wired and Nature. In 2021 he won the Pulitzer Prize for explanatory reporting for his coverage of the COVID-19 pandemic. His first book, I Contain Multitudes, explored the partnerships between microbes and animals and became a New York Times bestseller. An Immense World, published in 2022, is his second book.

Ratings & Reviews

Ratings at a glance

4.5

Overall score based on 127 ratings.

What people think

Listeners find this title both captivating and meticulously studied, providing in-depth insights into the ways various creatures experience their environments differently than people do. The narrative voice is absorbing, and listeners characterize the content as revelatory and motivational, with one person highlighting how it translates difficult scientific principles. Listeners value how the book stretches their outlook and grants them a deeper reverence for the natural world, making for a truly reflective listening experience.

Top reviews

Chee

Ever wonder how a dog really experiences a walk? Ed Yong’s deep dive into the 'Umwelt'—the unique sensory bubble of every creature—is nothing short of a revelation. He manages to explain how a catfish basically acts as one giant, swimming tongue and why a scallop needs dozens of tiny blue eyes. The prose is beautiful, filled with a genuine warmth for the natural world that makes complex neurobiology feel like a story. I found myself stopping every few pages just to share a factoid with whoever was in the room. This book doesn't just provide information; it fundamentally shifts your perspective on what 'reality' actually is. It’s an essential read for anyone who wants to feel a closer connection to the diverse forms of life we share this planet with. Absolutely stunning work.

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Tak

Wow. I will never look at a scallop the same way again. Who knew they had dozens of tiny blue eyes acting like a high-tech security system? Yong takes us through the sensory lives of creatures like the mantis shrimp, which 'throws punches like humans throw opinions.' It’s rare to find a science book that is this funny and accessible while remaining deeply informative. The concept of the Umwelt—the idea that every animal lives in its own sensory reality—is a game-changer. I loved the section on how dolphins are essentially living CT scanners, using sound to see inside other creatures. It’s a thick book, but the writing is so engaging that it feels much shorter. If you have even a passing interest in biology, you need this on your shelf. It’s easily a 10-star book in a 5-star world.

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Jai

The world is so much bigger than our five human senses allow us to perceive. Yong writes with a poetic warmth that makes you feel deeply connected to animals you’ve never even thought about. I was particularly struck by the description of sea otters having the densest fur in the kingdom, or how some fish create their own electric fields to communicate. The author doesn't just give you data; he invites you to imagine being a snake or a bee. It is an entrancing, beautiful piece of non-fiction that encourages empathy for our 'wild wonderful creatures.' Each chapter is a window into a different reality. This is the kind of book that makes you want to go sit in a forest and just observe everything you’ve been missing. A masterpiece of nature writing.

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Nitaya

Can we just agree that Ed Yong is the gold standard for science communication? Following up his work on microbes, he takes us on a journey through the sensory lives of creatures great and small. I was jaw-on-the-floor for hours. The way he describes how birds see ultraviolet hues that are invisible to us is just... mind-blowing. He manages to take heady topics like neurobiology and culture and make them feel like a thrill ride. The footnotes are just as good as the main text—don't skip them! I’m ready to join the fan club and hang a poster of this man on my wall. If you want to understand the 'immense world' that exists just outside your own perception, buy this book immediately. It is worth every second of your time.

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Nutnicha

Imagine an elephant, a mouse, and a rattlesnake in a school gym. That opening hypothetical hooked me immediately and set the stage for a wild ride through the animal kingdom. Yong uses these clever scenarios to bridge the gap between human experience and the 'alien' senses of our wild neighbors. I loved learning about how crocodiles have skin more sensitive than our fingertips and how some creatures can feel the Earth's magnetic field. The writing is witty and engaging, never feeling like a dry textbook despite the heavy research. It’s an eye-opening experience that makes the everyday world feel new again. I feel like my own 'sensory bubble' has been popped, and I'm seeing the environment with newfound respect. Highly recommended for any curious mind.

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Wipada

This book is paradigm-shifting. It isn't just about animals; it's about humility. We think we see the world as it is, but we're really just peering through a tiny keyhole of the full spectrum of reality. Yong’s ability to weave together anecdotes from various biologists with hard science is impressive. Whether he's talking about the giant eyes of a squid or the way bees navigate flowers, the sense of awe never fades. The book is long, yes, but it’s packed with so much wonder that I didn't want it to end. It’s a beautiful elucidation of the richness of life on Earth. Honestly, it’s one of the best non-fiction books I’ve read in years. It will leave you with a profound sense of gratitude for our immense, vibrant world.

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Ratthapong

Picked this up after the massive hype, and while it mostly delivers, be prepared for some heavy lifting. Yong is a master at translating complex neurobiology, but occasionally the sheer volume of data-based support feels like reading a series of Nature abstracts. There were moments where the physics of light or magnetic fields felt a bit jargonistic, requiring a slow, deliberate pace to fully internalize. That said, the chapters on echolocation and the 'hidden' colors that birds see are mind-blowing. I do wish the photo inserts weren't all clumped at the very end, as I had to keep flipping back and forth on my Kindle. Despite the occasional technical density, the author’s enthusiasm is infectious. It is a brilliant, thoroughly researched exploration of animal perception that just requires a bit of patience to get through.

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Ding

After hearing so many recommendations, I finally finished this massive tome. It is an incredible exploration of the unseen, specifically the sections on magnetic fields and echolocation. Frankly, the detail is staggering. Yong clearly knows his stuff, often telling the reader to 'stay with me' when the physics gets intense. The book does a great job of not anthropomorphizing animals, instead trying to meet them on their own sensory terms. However, I found the chapter on pain (nociception) to be quite a difficult read emotionally. It’s a necessary inclusion, but it casts a shadow over the wonder of the earlier chapters. My only real gripe is the structure; it starts to feel a bit repetitive toward the final third. Still, it’s a treasure trove for any nature lover.

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Ivan

Look, this book starts as a celebration of nature’s diversity, but it ends with a necessary, sobering gut-punch. We are so blinded by our own sensory needs that we’ve flooded the world with light and noise pollution, effectively ruining the Umwelten of countless species. Yong handles this transition from wonder to conservation brilliantly. The middle sections on vibration and pressure fluctuations were a bit dry for my taste, almost reaching a point of sensory saturation for the reader. I had to take it one chapter at a time to keep from getting overwhelmed by the sheer volume of examples. But the message is vital. We aren't the center of the world; we're just one small part of a complex sensory tapestry. A very thought-provoking and important read.

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Somsak

To be fair, I appreciate the immense research that went into this, but it felt more like a collection of fascinating anecdotes than a cohesive narrative. As a biology geek, I loved the individual facts—the mantis shrimp’s punch is legendary—but the pacing was jumpy. The book is divided by senses, which makes sense logically, but it often devolves into a list of 'look at this cool thing' without a strong enough thread connecting them. I also struggled with some of the descriptions of animal experiments. Learning about the methodology behind sensory research left me feeling torn about the ethics involved. While Yong is a talented writer, I found his previous book on microbes much more focused and easier to digest. It’s informative, but definitely overwhelming at times.

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Questions about this book

Ed Yong argues that every animal lives inside its own sensory world and that the familiar human five senses capture only a small part of what is out there. Birds, sea turtles and spiny lobsters sense magnetic fields, beetles detect fires dozens of miles away and sharks track the faint electricity of prey. Imagining these senses, Yong says, builds empathy and helps us see how our lives may affect other creatures.

Yes, according to the book. Daniel Kish, who lost his eyes to cancer at 13 months old, learned to explore with tongue clicks. After decades of practice he can tell where houses end, where a yard meets a driveway and where trees stand, and he ducks under overhanging branches. Because his clicks are lower in frequency than a bat’s, his picture is blurrier, so he relies mostly on density and texture.

Yong explains that a blocked nose does not change what your tongue tastes at all. Flavor comes from taste and smell combined, so when you can no longer detect the odor molecules coming from food, flavor drops even though taste is unchanged. The book also shows how strongly context shapes smell: the same pungent scent seems appetizing next to a picture of Raclette cheese and disgusting next to a dirty sock.

They use magnetoreception, a sense of the earth’s magnetic field. Young turtles follow it into deep water and later back to the beaches where they hatched. In the 1990s, Ken Lohmann exposed newly hatched loggerheads, which had never been in the sea, to magnetic fields copying ocean locations. They turned and swam in the direction that kept them on the route adult turtles take, relying on instinct and the field.

It suits curious readers who enjoy science told through striking examples, from star-nosed moles to fire-hunting beetles and electric eels. Pet owners and nature lovers will gain a sense of what the animals around them perceive. Anyone interested in their own senses will find fresh angles on sight, smell, taste and touch, plus a reason to consider how human life disturbs other creatures’ sensory worlds.

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An Immense World

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