What is *An Immense World* by Ed Yong about?

*An Immense World* explores how animals perceive their environments through unique sensory capabilities called *umwelten*. Pulitzer Prize-winning journalist Ed Yong reveals how creatures experience reality using senses like echolocation, magnetoreception, and ultraviolet vision, challenging human-centric views of nature. The book emphasizes humanity’s sensory pollution impacts and urges empathy for non-human experiences.

Who should read *An Immense World*?

This book is ideal for science enthusiasts, animal lovers, and readers curious about biology’s wonders. Educators, environmental advocates, and fans of accessible scientific storytelling will appreciate its blend of rigorous research and vivid examples, such as bees sensing electric fields or whales navigating via Earth’s magnetism.

Is *An Immense World* worth reading?

Yes—it’s a *New York Times* bestseller lauded for its revelatory insights and lyrical prose. Yong masterfully translates complex science into engaging narratives, earning accolades like the Royal Society Science Book Prize. Readers gain a transformative perspective on how animals interact with hidden sensory realms.

What does *umwelt* mean in *An Immense World*?

*Umwelt* refers to an animal’s subjective sensory experience, a concept from biologist Jakob von Uexküll. Yong uses it to contrast human perception with species like bats (echolocation) or sharks (electroreception). Humans’ light and noise pollution often disrupt other umwelten, a central ethical theme.

What qualifications does Ed Yong have to write this book?

Ed Yong holds a Cambridge zoology degree and a biochemistry MPhil. A Pulitzer-winning science writer for *The Atlantic*, he’s renowned for deep research and interviews with experts. His prior bestseller, *I Contain Multitudes*, examined microbiomes.

What are key quotes from *An Immense World*?

- **“Every animal is enclosed within its own sensory bubble.”** Highlights species-specific perception limits. - **“Light pollution is a bulldozer of the night.”** Critiques artificial light’s harm to nocturnal ecosystems.

How does *An Immense World* explain magnetoreception?

Yong details how animals like sea turtles and monarch butterflies detect Earth’s magnetic fields for navigation. Scientists debate whether proteins or quantum effects enable this sense—a mystery underscoring nature’s complexity.

What is sensory pollution in *An Immense World*?

Human-made disruptions like artificial light and noise that impair animals’ survival strategies. For example, streetlights disorient hatchling turtles, while ship noise drowns out whale communication. Yong argues these issues are fixable with immediate action.

万物的感官世界

动物感官如何揭示我们周围隐藏的世界

埃德·永

4.46(33096 Reviews)

《万物的感官世界》概述

跟随普利策奖得主埃德·永（Ed Yong）的畅销佳作，步入动物那不为人知的感官世界。海龟如何利用磁场导航？为什么数以百万计的鸟类死于光污染？这段由威廉·吉布森（William Gibson）盛赞、拓展思维的旅程，将彻底改变我们对这颗共有星球的认知。

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第 1 章

Sensing Beyond Human Limits: A Journey Through Nature's Hidden Realms

What if I told you that your reality-everything you see, hear, smell, taste, and feel-is just a tiny sliver of what actually exists? Ed Yong's "An Immense World" has been praised by everyone from Bill Gates to Barack Obama for its mind-expanding exploration of how animals experience reality in ways humans can barely imagine. This New York Times bestseller and Pulitzer Prize finalist takes readers on an extraordinary journey through the sensory worlds of creatures great and small, revealing that what we perceive as reality is merely one interpretation among countless others. As Yong writes, "Every animal is enclosed within its own sensory bubble, perceiving but a tiny sliver of our world." The book's cultural impact has been profound, inspiring scientists, philosophers, and everyday readers to reconsider their relationship with the natural world and recognize the limits of human perception. It arrived at a perfect cultural moment when many were questioning the nature of reality itself, offering a scientifically grounded perspective on the diversity of experience across species.

第 2 章

The Umwelt: Stepping Into Other Sensory Bubbles

Imagine a gymnasium filled with diverse animals: an elephant, mouse, robin, owl, bat, rattlesnake, spider, mosquito, bumblebee, and human. Though sharing the same physical space, each creature inhabits a radically different sensory world. The elephant detects infrasonic rumbles inaudible to humans, while missing the ultrasonic squeaks that mice exchange. The rattlesnake perceives heat through specialized facial pits, the owl pinpoints sounds with asymmetrically positioned ears, and the bat navigates by sonar. The robin senses Earth's magnetic field, guiding its migrations with a compass humans can neither see nor feel. This concept of a species-specific sensory bubble has a name: Umwelt. Coined by German biologist Jakob von Uexkull in 1909, an Umwelt isn't simply an animal's surroundings but specifically the part it can sense and experience. Uexkull compared an animal's body to a house with sensory windows opening onto reality's garden. Each species' windows are constructed differently, creating entirely different perceptual worlds. Consider the humble tick, whose entire Umwelt consists of just three stimuli: the odor of butyric acid (found in mammalian sweat), the sensation of hair, and the warmth of blood. Nothing else in the vast universe registers in its perception. While this might seem impoverished compared to human experience, Uexkull noted that this simplicity provides "certainty of action," which is "more important than riches." This fundamental truth-that every creature experiences only a slice of reality-makes contemplating other Umwelten both profoundly human and intellectually humbling. Our visual bias permeates even our language: we "see" points, share "views," and describe futures as "bright" or "dark." This sensory chauvinism leads us to harm animals by creating environments that overwhelm their senses, from coastal lights confusing sea turtles to glass panes baffling bat sonar. Understanding other Umwelten requires what psychologist Alexandra Horowitz calls "an informed imaginative leap"-a skill that may come more naturally to those with perceptual differences. As we journey through nature's sensory worlds, our intuitions will be our greatest liabilities, and our imaginations our most valuable assets.

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第 3 章

The Chemical World: Smells That Guide and Define

We humans are visual creatures, but for many animals, the world is primarily experienced through chemical senses. Consider dogs, whose olfactory abilities far exceed our own. When Alexandra Horowitz's black Labrador mix Finn explores a room, his seemingly random movements are actually purposeful investigations-following trails, checking vents, and reading the "biographies" of animals through their scent signatures. Dogs possess more extensive olfactory equipment than humans: more epithelium, more neurons, more receptor types, and a larger olfactory bulb. Their specialized nasal structure even creates vortices that draw in fresh odors while exhaling, allowing continuous scent detection. When a dog sniffs, it reads not just the present but the past and future, perceiving the "biographies" of animals-those "leaking sacks of chemicals" filling the air with odorant clouds. Despite common beliefs that humans have poor olfactory abilities, neuroscientist John McGann traces this myth to the 19th century when Paul Broca incorrectly classified humans as "non-smellers" based on our relatively small olfactory bulbs. While dogs excel at certain olfactory tasks, humans sometimes outperform them on others, particularly in discriminating between similar odors. The perception that humans have poor smell is largely cultural; hunter-gatherer groups like the Jahai have rich smell vocabularies and can name odors as easily as English-speakers name colors. Some of nature's most effective smell organs take surprising forms. The forked tongue of snakes isn't for taste but serves as a chemical collector-each flick captures odor molecules that are transferred to the vomeronasal organ. This allows snakes to track prey with remarkable precision by comparing scent concentrations between the two fork tips. When flicking in air, the tongue creates two donut-shaped rings that draw in odors from both sides, allowing stereo smell. While smell and taste both detect chemicals, they differ fundamentally. Taste is reflexive and innate-we recoil from bitter substances from birth-while smell acquires meaning through experience. Taste boils down to just five basic qualities in humans (salt, sweet, bitter, sour, umami), detected through relatively few receptors. Despite our association of taste with connoisseurship, it's actually among our coarsest senses, primarily serving as a final check before consumption. Catfish possess perhaps nature's most extensive sense of taste, with taste buds spread across their entire scale-free bodies. These swimming tongues can taste with virtually every part of their bodies, making taste an omnidirectional sense rather than a localized one. They're exquisitely sensitive to amino acids (the building blocks of proteins), reflecting their carnivorous diet. Most surprisingly, our seemingly distinct senses share unexpected connections. The proteins that detect smells (odorant receptors) belong to a larger group called G-protein-coupled receptors that act as chemical sensors. While most release or destroy molecules after detection, opsins-the proteins responsible for vision-are modified chemical sensors that hold onto light-absorbing molecules. In this surprising way, vision works through a modified form of chemical sensing. As Ed Yong puts it: "In a way, we see by smelling light."

第 4 章

Visual Worlds: Seeing Reality Differently

Vision connects us to distant objects through light, but different animals see the world in profoundly different ways. Consider the jumping spider, which despite its tiny poppy-seed-sized brain displays remarkable visual capabilities. Unlike most spiders that wait motionlessly in webs, jumping spiders actively investigate their surroundings with genuine curiosity. Their vision system reveals profound differences from ours-its central pair of eyes provides sharp but extremely narrow vision, while the secondary eyes offer broad motion detection. Most remarkably, these functions are completely separated-if the secondary eyes are covered, the spider cannot track moving objects at all. The animal kingdom showcases an astonishing diversity of eyes. They vary in number (from two to hundreds), size (from microscopic to soccer ball-sized), structure (camera-like or compound), placement, and function. This variety creates wildly different visual Umwelten-some animals see crisp details at distance, others just blurry light and shade; some see in darkness, others go blind in brightness; some see in slow motion, others in time-lapse; some see in multiple directions simultaneously. Humans outshine almost every other animal at resolving detail. This exceptional visual acuity gives us a rarefied view of the world that most creatures don't share. While humans can distinguish zebra stripes from 200 yards away, lions can only do so from 90 yards and hyenas from 50 yards. To hunting lions, zebras mostly look like gray donkeys, debunking the long-held theory that stripes serve as camouflage. Visual acuity is measured in cycles per degree (cpd)-how many pairs of black-and-white stripes you can distinguish within one degree of visual space. Humans achieve an impressive 60-70 cpd, surpassed significantly only by birds of prey like the wedge-tailed eagle (138 cpd). Most animals have substantially lower acuity: octopuses (46 cpd), giraffes (27 cpd), horses (25 cpd), cheetahs (23 cpd), and lions (13 cpd). Honeybees manage just 1 cpd, with 98 percent of insects having even coarser vision. This perceptual gap creates a profound bias-we assume other creatures see what we see, when in reality, their visual worlds may be dramatically different. A cleaner shrimp's beautiful markings aren't part of its own Umwelt, even at close range-they likely can't even see their own antennae. Similarly, butterflies with intricate wing patterns likely can't recognize each other visually. Acute vision comes with tradeoffs. The smaller, more densely packed photoreceptors that enable high resolution collect less light, making them less sensitive. Eagles excel at spotting distant prey in daylight but struggle in dim conditions-there are no nocturnal eagles. Lions and hyenas have prioritized sensitivity over acuity, allowing them to hunt at night despite their inability to resolve zebra stripes at distance. Some animals have visual systems utterly alien to our experience. Scallops possess dozens to hundreds of eyes along their shell edges, each with curved mirrors that focus light onto two distinct retinas. Yet despite this optical sophistication, scallops likely process visual information in ways utterly alien to us-using each eye as a simple motion detector rather than combining information into a cohesive scene as we do.

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第 5 章

The Spectrum Beyond: Colors We Cannot Imagine

When the Neitzes adopted their toy poodle Retina, they challenged the prevailing belief that dogs were color-blind. Despite scientific textbooks claiming mammals except primates lacked color vision, Jay Neitz decided to investigate. He trained Retina and two Italian greyhounds to touch differently colored panels for cheese treats, proving dogs indeed see color-just not the same spectrum humans perceive. Dogs have two cone classes in their retinas while humans have three, giving them a more limited color palette. Understanding these differences requires grasping what color truly is-not an inherent property of objects but a perception created when our brains compare signals from different types of cone cells. Without this neural comparison process called "opponency," animals might detect specific wavelengths but can't perceive a true color spectrum. Color vision isn't actually necessary-many animals navigate, forage and communicate perfectly well in grayscale. So why evolve it? Physiologist Vadim Maximov suggested color vision emerged about 500 million years ago as a solution to the problem of flickering light in shallow seas. By comparing different wavelengths, animals gained "constancy"-the ability to stabilize their view despite changing light conditions. Primates evolved trichromacy 29-43 million years ago when the long-opsin gene accidentally duplicated, with one copy eventually shifting to become the medium (green) opsin. This expanded our color palette from tens of thousands to millions of distinguishable hues, likely helping our ancestors spot colorful fruits and nutritious young red leaves against green foliage. In the 1880s, John Lubbock discovered ants could detect ultraviolet light completely invisible to humans. This revelation challenged scientific understanding of animal vision-first believed rare, UV vision turned out to be the norm across species. Most animals that see color can see UV; we humans are the exception. UV vision transforms how animals perceive their world: fish spot plankton against UV-scattered water, rodents see birds silhouetted against UV-rich skies, and reindeer distinguish food from snow. Flowers display dramatic UV patterns invisible to us but vivid to pollinators, while many birds have UV patterns in their plumage that distinguish sexes in species that look identical to humans. Birds possess tetrachromatic vision with four types of cone cells sensitive to red, green, blue, and ultraviolet, enabling them to perceive an extraordinary range of colors imperceptible to humans. The difference between our vision and birds' isn't merely additive-it's dimensional. While trichromatic humans perceive color within a triangular space defined by three cone types, birds experience a four-dimensional pyramid of color. They see non-spectral colors like "rurple" (UV-red), "grurple" (UV-green), and "yurple" (UV-yellow) that make up about a third of colors in nature. Butterfly visual systems can be astonishingly complex-cabbage whites have eight photoreceptor classes, while the common bluebottle has fifteen. However, tetrachromacy represents a practical maximum for color vision efficiency; anything more would be wasteful since four evenly-spaced photoreceptors can detect virtually all naturally occurring colors. Mantis shrimps possess perhaps the strangest eyes on the planet, with at least twelve distinct photoreceptor classes. Yet surprisingly, they're poor at discriminating between similar colors, performing worse than humans, bees, butterflies, and goldfish. Their retinas collapse the spectrum into just 12 distinct colors and send raw signals directly to the brain, which recognizes specific patterns like a barcode scanner. Most remarkably, mantis shrimps are the only known animals that can detect circularly polarized light through six classes of polarization receptors-creating a private communication channel that only they can perceive.

第 6 章

The Unwanted Sense: Pain Across Species

In a warm, corn-scented room, Ed Yong holds a peculiar creature in his gloved hand-a naked mole-rat. Pink and mostly hairless, it resembles a water-soaked finger more than a typical rodent. Despite being fully grown, it appears almost embryonic with pinprick black eyes, protruding incisors, and translucent skin revealing its internal organs. This extraordinary creature lives for up to 33 years, survives 18 minutes without oxygen, and uniquely tolerates high levels of carbon dioxide and acids that would cause us intense pain. Unlike most animals, naked mole-rats have modified nociceptors (pain-sensing neurons) that don't respond to acids or capsaicin. Their unusual pain insensitivity reveals that pain itself is not universal but varies dramatically across species, shaped by each animal's evolutionary needs and environment. In the early 1900s, neurophysiologist Charles Scott Sherrington distinguished between nociception (the sensory detection of harmful stimuli) and pain (the suffering that follows). While intimately linked, they're distinct processes-nociception occurs in peripheral nerves while pain requires brain involvement. They can be separated: amputees experience pain without nociception, while those congenitally indifferent to pain have nociception without distress. Scientists studying pain face unique ethical challenges, needing to harm animals to potentially improve their welfare. Fish exemplify these complexities-Lynne Sneddon's groundbreaking 2003 research showed that trout injected with irritants displayed behaviors suggesting suffering: heavy breathing, feeding cessation, rocking motions, and lip-rubbing against surfaces. When given morphine, these behaviors diminished. Despite mounting evidence, critics argue fish lack the neocortex necessary for conscious pain-an anthropomorphic assumption that ignores how different animals evolve different neural solutions. In 2010, the European Union extended animal research protections to cephalopods, citing scientific evidence of their capacity for suffering-a claim that surprised researcher Robyn Crook, who knew no such evidence existed. Investigating pain in longfin squid, Crook discovered surprising differences from mammalian pain responses. Unlike humans, rats, or even hermit crabs, injured squid never groomed their wounds despite having multiple arms capable of reaching damaged areas. Most remarkably, squid experience body-wide hypersensitivity after localized injuries-when one fin is damaged, nociceptors on the opposite fin become equally excitable. This whole-body response might be an evolutionary adaptation for creatures constantly threatened by predators, allowing injured squid to remain vigilant against attacks from any direction. Octopuses, unlike squid, can touch every part of their bodies-even reaching inside to groom their gills. They can also retreat to solitary dens when injured, making localized pain awareness useful. Crook's research shows octopuses will break off an injured arm tip and cradle the stump, avoid places where they've received painful injections, and stop grooming injured arms when given local anesthetic. These behaviors led Crook to conclude unambiguously that "octopuses are capable of experiencing pain." The debates about animal pain often fixate on the binary question "Do they feel it?"-which actually masks our real concern: what we can morally do to them. This limited framing restricts our understanding of how animals actually experience pain. Pain isn't merely present or absent; it serves different purposes across species with different needs and limitations. Instead of asking if entire taxonomic groups experience pain, we should investigate which species do, and how their experiences differ based on their unique evolutionary contexts.

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第 7 章

Sensing the Invisible: Fields and Vibrations

Animals don't just perceive the world through the five senses familiar to humans-many detect forces and phenomena completely imperceptible to us. In frigid artificial hibernacula, thirteen-lined ground squirrels maintain body temperatures between 2C and 7C for half a year without discomfort. Research shows these squirrels find temperatures between 10C and 30C equally comfortable-conditions rats and mice find painfully cold. This tolerance is essential for hibernation; without it, the squirrels would instinctively generate heat or wake up, wasting precious energy reserves during winter. Some creatures have evolved specialized heat detection systems that go far beyond temperature sensing. Fire-chaser beetles are drawn specifically to heat, appearing in "unbelievable numbers" at smelting plants, cement kilns, sugar refineries, and even outdoor barbecues. For these beetles, fires represent reproductive opportunity. They mate amid the flames, then females lay eggs on charred bark where hatching larvae find ideal conditions. To locate these rare, unpredictable forest fires from great distances, the beetles rely on specialized infrared detectors-a pair of pits containing clusters of about 70 fluid-filled spheres, each enclosing a pressure-sensitive neuron. When infrared radiation hits these spheres, the fluid heats and expands, squeezing the nerves and triggering signals. Rattlesnakes employ similar heat-sensing pits that function remarkably like eyes, with a thin membrane stretched across an air-filled chamber with a narrow opening. When infrared radiation enters through this opening, it heats different parts of the membrane, creating a thermal "image." The membrane contains about 7,000 nerve endings packed with heat sensors that can detect temperature changes as small as 0.001C, allowing a rattlesnake to sense a mouse's warmth from a meter away. Signals from these pits are processed in the same brain region as visual information, suggesting the snakes may perceive infrared as another "color" integrated with their visual field. Beyond temperature, many animals detect vibrations imperceptible to humans. In 1991, Karen Warkentin discovered that red-eyed tree frog embryos can detect vibrations and make escape decisions before even hatching. When snake predators attack egg clutches, the embryos can distinguish these threatening vibrations from benign ones like rain or wind, and will rapidly hatch to escape. The embryos develop this ability at four days old when their inner ear vibration sensors come online, allowing them to detect the distinctive low-frequency, irregular patterns of snake attacks. Many other species communicate through "substrate-borne vibrations"-termite soldiers drum alarm signals, fiddler crabs thump sand to attract mates, and water striders create coercive ripples. Rex Cocroft's research reveals the deep, purring vibrations produced by tiny treehoppers. Plants, being flexible and springy, excellently transmit these signals. Cocroft estimates around 200,000 insect species communicate through surface vibrations-an invisible symphony occurring constantly around us. Sand scorpions exemplify another remarkable use of surface vibrations. They detect prey by sensing the faint tremors created by insect footsteps traveling through sand. Using specialized slit sensilla on their "ankles," they can detect infinitesimal compressions when surface waves reach their feet. By arranging their eight legs in a circle, they triangulate prey location with remarkable precision, turning and running toward the source with each new vibration.

第 8 章

Echolocation: Seeing with Sound

Bats must constantly update their sonic snapshots while flying, using vocal muscles that can contract up to 200 times per second-the fastest of any mammal. During a hunt's final moments, they produce their distinctive "terminal buzz" to sense prey with maximum precision. To avoid confusing echoes with calls, bats make their calls extremely short-just a few milliseconds for big browns-and perfectly timed so each goes out only after the previous echo returns. Their nervous systems are incredibly sensitive, detecting echo delays of just one or two millionths of a second (less than a millimeter in distance), allowing them to gauge distance more precisely than humans can with vision. Echolocation reveals more than just distance. Moths have complex shapes, so different body parts return echoes at slightly different times. Big brown bats produce calls sweeping across a broad frequency band, with lower frequencies revealing large features and higher frequencies providing finer details, creating a rich acoustic portrait of their prey. Hunting bats constantly adjust their sonar strategy: during search phase, they emit loud, long, infrequent pulses; when approaching targets, they broaden frequencies for more detail and call more frequently; during the final attack, they produce the terminal buzz for maximum information. By measuring these changing calls, researchers can almost "read a bat's mind." For nocturnal insects, no environment is safe from bats' versatile sonar. However, moths have evolved remarkable anti-bat defenses. Many species shed scales that absorb bat calls and muffle echoes, creating acoustic armor. Over half of moth species have ears that can detect bats from 15-33 yards away (while bats can only detect moths from 9 yards), giving moths time to execute evasive maneuvers. Tiger moths produce ultrasonic clicks from drum-like organs on their flanks that baffle bats. Some clicks serve as acoustic warning colors, signaling the moths contain foul-tasting chemicals. Others, like those of Bertholdia trigona, actively jam bat sonar by overlapping with echoes and blurring the target's position. Despite their dramatic differences, bats and dolphins independently evolved echolocation to navigate three-dimensional, often dark spaces. Dolphin sonar production is counterintuitive. Unlike bats whose calls begin in the throat and exit through the mouth or nose, dolphins click by forcing air through phonic lips in their nasal passages. The sound travels forward through the melon-the fatty organ creating their bulging brow-which focuses the sound. Unlike bats, which can only perceive external shapes, dolphins can "see" inside objects. Sound waves penetrate flesh (similar in density to water) and bounce off internal structures like bones and air pockets. This gives dolphins an almost X-ray vision-they can detect swim bladders in fish, distinguish between species, spot hooks in fish, and even perceive fetuses in pregnant women. Daniel Kish, blind since infancy, navigates the world through tongue clicks that create sharp, loud sounds. With echolocation, Kish can perceive objects behind him, around corners, or through walls-things sighted people cannot detect. However, he faces challenges with certain tasks: large background objects mask smaller foreground ones, making tabletop objects difficult to detect. In practice, Kish combines echolocation with memory, passive hearing, and touch, as he demonstrated when mountain biking with friends, using zip ties on bikes to create identifying sounds.

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第 9 章

Sensing Together: How Animals Integrate Their Perceptual Worlds

Mosquitoes demonstrate the sophisticated integration of multiple senses. The Aedes aegypti mosquito, which spreads diseases like Zika and dengue, uses carbon dioxide detection, body odor sensing, heat perception, and taste receptors in concert to find human hosts. Leslie Vosshall's research shows these mosquitoes can't be deterred by blocking just one sense-they have "a plan B at every point." Their sensory system evolved specifically to hunt humans, transforming them from forest-dwelling generalists to urban specialists that prefer human blood above all else. Every sense has advantages and limitations, which is why animals utilize multiple sensory systems simultaneously. Even species renowned for one particular sense still employ others: dogs have keen hearing despite their legendary smell; owls have excellent vision alongside their acute hearing; jumping spiders detect vibrations and sounds despite their remarkable eyes. Senses can also blend together-platypuses may experience a unified "electrotouch" rather than separate electric and tactile senses, while mosquitoes have neurons that respond to both temperature and chemicals. Animals solve the challenge of distinguishing self-produced sensory signals from external ones through "efference copies" or "corollary discharges"-duplicated motor commands that predict the sensory consequences of planned movements. These mechanisms allow animals to filter out self-generated stimuli. Electric fish use them to distinguish their own electric pulses from those of prey or other fish. They explain why you can't tickle yourself, why your vision remains stable despite eye movements, why crickets don't deafen themselves with their own chirps, and why fish can detect water movements without being confused by their own swimming. The octopus challenges our understanding of intelligence and perception with its extraordinary dual Umwelt. With 500 million neurons (comparable to small mammals), only one-third are in its central brain; the remaining 320 million are distributed across its eight arms. Each arm functions semi-autonomously, with its own nervous system that "barely communicates with other arms." Even individual suckers have mini-brains (sucker ganglia) that can make independent decisions about gripping based on a synesthetic fusion of taste and touch. The central brain coordinates but doesn't micromanage, lacking the detailed body maps found in human brains. This distributed intelligence creates two distinct sensory worlds: the arms live in a realm of taste-touch while the head is dominated by vision, with limited information exchange between them. Our sensory experiences create an illusion that obscures how sensing actually works-we don't consciously perceive our photoreceptors firing or mechanoreceptors reacting, we simply see and feel. This disconnection makes it easy to imagine consciousness as separate from physical bodies, fueling myths about humans transferring their minds into animal bodies. But this fundamentally misunderstands the Umwelt concept: an animal's sensory world emerges from specific tissues detecting specific stimuli, not a transferable consciousness.

第 10 章

Preserving Nature's Sensory Symphony

Within Grand Teton National Park, Jesse Barber studies how artificial light affects wildlife, particularly bats. Even in this protected wilderness, light pollution from parking lots and buildings disrupts natural behaviors. Some bat species avoid illuminated areas, while others exploit the insects drawn to lights. To understand these effects, Barber has fitted parking lot lights with switchable white and red bulbs-the latter having less impact on wildlife while still providing visibility for humans. Light pollution now affects 83% of humanity, with artificial light covering a quarter of Earth's surface and growing 2% larger and brighter annually. This luminous fog has disconnected many people from seeing the Milky Way and has fragmented animal habitats. In New York City, the annual Tribute in Light memorial unwittingly traps thousands of migrating birds, which circle within the beams at densities 150 times their normal levels. Our diurnal Umwelt makes it difficult for us to recognize light as pollution, as we culturally associate it with safety, progress, and knowledge. Yet artificial light is uniquely anthropogenic, disrupting 4 billion years of evolutionary adaptation to day-night cycles. Beyond birds, light pollution fatally attracts insects, disrupts sea turtle hatchlings, and interferes with nocturnal pollinators-with rippling consequences across ecosystems. Even in seemingly pristine natural areas, human noise intrudes: hikers' loud conversations, distant highways, urban ambient hum, and frequent aircraft overhead. The National Park Service has documented that human activity has doubled background noise in 63% of protected spaces and increased it tenfold in 21%. This noise shrinks animals' perceptual worlds-every 3 decibel increase halves the range of audible natural sounds. Urban birds like great tits and nightingales adapt by singing at higher frequencies or louder volumes, but many species simply abandon noisy areas. The irony is devastating: just as we've gained unprecedented understanding of animal sensory worlds through centuries of research, we've simultaneously made it harder than ever for animals to experience their natural sensory environments. Modern threats have turned evolutionary adaptations into liabilities: bats crash into windows because smooth vertical surfaces create misleading echoes; seabirds follow DMS chemicals to plastic waste instead of food; manatees can't detect speedboats in time; salmon lose their navigational abilities when pesticides damage their sense of smell; and sharks are drawn to high-voltage cables. Understanding animal senses can guide conservation efforts. When marine biologist Tim Gordon found Australia's Great Barrier Reef had been silenced by coral bleaching-losing the snaps of shrimp and crunches of parrotfish that guide baby fish home-his team used underwater speakers playing healthy reef sounds to attract twice as many juvenile fish to degraded areas. While small-scale, such sensory interventions demonstrate how conservation can be enhanced by "seeing the world through the perceptions of the animals you're trying to protect." Unlike persistent pollutants like plastics or radioactive waste that linger for centuries, sensory pollution offers an immediate fix-when lights turn off or engines quiet, the environment instantly improves. The COVID-19 pandemic demonstrated this when lockdowns made cities darker and quieter: Berlin's night skies became half as bright, seismic vibrations worldwide dropped by half, and Glacier Bay was half as loud. People suddenly noticed birdsong that had always been there but masked by human noise. The majesty of nature exists not just in canyons and mountains but in "the wilds of perception"-the sensory spaces beyond our Umwelt. Wonders exist in backyard gardens where bees measure flowers' electric fields, leafhoppers send vibrational melodies through plant stems, and birds see hidden colors. Wilderness isn't distant; we're continually immersed in it, there for us to imagine, savor, and protect. Our greatest sensory skill is our ability to dip into other Umwelten. While humans lack ultraviolet vision, magnetoreception, echolocation, and infrared sensing, we alone can understand what other creatures perceive and care about their experiences. A bogong moth will never know what a zebra finch hears, a finch will never feel a knifefish's electric buzz, a knifefish will never see through mantis shrimp eyes, a mantis shrimp will never smell like a dog, and a dog will never understand what it is to be a bat. We can't fully know these experiences either, but through patient observation, technology, science, and imagination, we can try to step into their worlds. This choice-this attempt to understand other sensory realities-is not a blessing we've earned, but one we must cherish.

★★★★★

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《万物的感官世界》核心主题

animal sensory perception
umwelt concept
interspecies communication
sensory ecology
non-human consciousness

《万物的感官世界》经典语录

Every animal is enclosed within its own sensory bubble.
Simplicity provides 'certainty of action,' which is 'more important than riches.'
In a way, we see by smelling light.
Our intuitions will be our greatest liabilities.
We 'see' points, share 'views,' and describe futures as 'bright' or 'dark'.

《万物的感官世界》主要人物

Ed YongAuthor and guide through animal sensory worlds
Jakob von UexküllBiologist who coined the concept of the Umwelt
Alexandra HorowitzPsychologist who studies dog olfaction
John McGannNeuroscientist who researches human olfaction
Paul Broca19th-century scientist who misjudged human smell

关于作者

Edmund Soon-Weng Yong（埃德·勇）是一位普利策奖得主、科学记者，也是《大西洋月刊》（The Atlantic）的专职撰稿人。他在其畅销书《感知鸟兽：感官如何揭示我们周围隐藏的世界》（An Immense World: How Animal Senses Reveal the Hidden Realms Around Us）中，探索了动物感知的惊人多样性。

作为一名在剑桥受过训练的动物学家和生物化学毕业生，Yong 将严谨的科学洞察力与生动的叙事相结合，揭示了隐藏的生物前沿。他的处女作《我包罗万象：我们体内的微生物及更宏大的生命观》（I Contain Multitudes: The Microbes Within Us and a Grander View of Life）彻底改变了公众对微生物组的理解，并成为《纽约时报》畅销书。

Yong 对 COVID-19 疫情的报道赢得了新闻界的最高荣誉，展示了他将复杂科学转化为通俗叙事的能力。他曾任英国癌症研究中心（Cancer Research UK）分析师，也是获奖博客 Not Exactly Rocket Science 的创办者，其作品经常出现在《国家地理》（National Geographic）和《纽约时报》（The New York Times）上。

《感知鸟兽》荣获了安德鲁·卡内基优秀勋章和皇家学会特里维迪科学图书奖，体现了其在科普文学领域的影响力。这本《纽约时报》畅销书已被翻译成 22 种语言，因其改变了人类与自然的关系而广受赞誉。Yong 与妻子（科学传播者 Liz Neeley）以及他们的柯基犬 Typo 住在奥克兰。

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开启你的学习之旅，就是现在

第 10 章

万物的感官世界

概述《万物的感官世界》概述

一本书，多种聆听方式。

Sensing Beyond Human Limits: A Journey Through Nature's Hidden Realms

The Umwelt: Stepping Into Other Sensory Bubbles

边听边看，每个词都清晰呈现

The Chemical World: Smells That Guide and Define

Visual Worlds: Seeing Reality Differently

从 《万物的感官世界》中收获更多

The Spectrum Beyond: Colors We Cannot Imagine

The Unwanted Sense: Pain Across Species

边听边看，每个词都清晰呈现

Sensing the Invisible: Fields and Vibrations

Echolocation: Seeing with Sound

从 《万物的感官世界》中收获更多

Sensing Together: How Animals Integrate Their Perceptual Worlds

Preserving Nature's Sensory Symphony

你已读完 《万物的感官世界》

《万物的感官世界》核心主题

《万物的感官世界》经典语录

《万物的感官世界》主要人物

关于作者

下载《万物的感官世界》摘要

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Is An Immense World worth reading?

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1,000,000+ curious minds.

1,000,000+ curious minds.

一本书，多种聆听方式。

Sensing Beyond Human Limits: A Journey Through Nature's Hidden Realms

The Umwelt: Stepping Into Other Sensory Bubbles

边听边看，每个词都清晰呈现

The Chemical World: Smells That Guide and Define

Visual Worlds: Seeing Reality Differently

从 《万物的感官世界》中收获更多

The Spectrum Beyond: Colors We Cannot Imagine

The Unwanted Sense: Pain Across Species

边听边看，每个词都清晰呈现

Sensing the Invisible: Fields and Vibrations

Echolocation: Seeing with Sound

从 《万物的感官世界》中收获更多

Sensing Together: How Animals Integrate Their Perceptual Worlds

Preserving Nature's Sensory Symphony

你已读完 《万物的感官世界》

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发现更多

《万物的感官世界》概述

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从《万物的感官世界》中收获更多

你已读完《万物的感官世界》

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