Essential Math for Data Science: Basis and Change of Basis - KDnuggets

Essential Math for Data Science: Basis and Change of Basis - KDnuggets: In this article, you will learn what the basis of a vector space is, see that any vectors of the space are linear combinations of the basis vectors, and see how to change the basis using change of basis matrices.

Raccoon

Raccoon: Masked bandits of the night, raiders of farm crops and rubbish bins, raccoons are notorious for their indifference to human property and propriety. Yet they are also admired for their intelligence, dexterity, and determination. Raccoons have thoroughly adapted to human-dominated environments—they are thriving in numbers greater than at any point of their evolutionary history, including in new habitats. Raccoon surveys the natural and cultural history of this opportunistic omnivore, tracing its biological evolution, social significance, and image in a range of media and political contexts. From intergalactic misanthropes and despoilers of ancient temples to coveted hunting quarry, unpredictable pet, and symbols of wilderness and racist stereotype alike, Raccoon offers a lively consideration of this misunderstood outlaw species.

Bodies Politic

Bodies Politic: In this historical tour de force, Roy Porter takes a critical look at representations of the body in health, disease, and death in Britain from the mid-seventeenth to the twentieth century. Porter argues that great symbolic weight was attached to contrasting conceptions of the healthy and diseased body and that such ideas were mapped onto antithetical notions of the good and the bad, the beautiful and the ugly. With these images in mind, he explores aspects of being ill alongside the practice of medicine, paying special attention to self-presentations by physicians, surgeons, and quacks, and to changes in practitioners’ public identities over time. Porter also examines the wider symbolic meanings of disease and doctoring and the “body politic.” Porter’s book is packed with outrageous and amusing anecdotes portraying diseased bodies and medical practitioners alike.

Agents of War

Agents of War: Often described as the misuse of science, chemical and biological weapons have incurred widespread opposition over the years. Despite condemnation from the United Nations, governments, and the disarmament lobby, they remain very real options for rogue states and terrorists. In this new edition of Agents of War, Edward M. Spiers has expanded and updated this much-needed history with two new chapters on political poisoning and chemical weapons in the Middle East. Spiers breaks new ground by presenting his analysis in both historical and contemporary contexts, giving a comprehensive chronological account of why, where, and when such weapons were used or suspected to be deployed.

Animals’ Best Friends

Animals’ Best Friends: As people come to understand more about animals’ inner lives—the intricacies of their thoughts and the emotions that are expressed every day by whales and cows, octopus and mice, even bees—we feel a growing compassion, a desire to better their lives. But how do we translate this compassion into helping other creatures, both those that are and are not our pets? Bringing together the latest science with heartfelt storytelling, Animals’ Best Friends reveals the opportunities we have in everyday life to help animals in our homes, in the wild, in zoos, and in science labs, as well as those considered to be food. Barbara J. King, an expert on animal cognition and emotion, guides us on a journey both animal and deeply human. We meet cows living relaxed lives in an animal sanctuary—and cows with plastic portals in their sides at a university research station. We observe bison free-roaming at Yellowstone National Park and chimpanzees confined to zoos. We learn with King how to negotiate vegetarian preferences in omnivore restaurants. We experience the touch of a giant Pacific octopus tasting King’s skin with one of his long, neuron-rich arms. We reflect on animal testing as King shares her own experience as the survivor of a particularly nasty cancer. And in a moment all too familiar to many of us, we recover from a close encounter with two spiders in the home. This is a book not of shaming and limitation, but of uplift%...

The Beautiful Cure

The Beautiful Cure: “Visceral.”—Wall Street Journal     “Illuminating.”—Publishers Weekly     “Heroic.”—Science The immune system holds the key to human health. In The Beautiful Cure, leading immunologist Daniel M. Davis describes how the scientific quest to understand how the immune system works—and how it is affected by stress, sleep, age, and our state of mind—is now unlocking a revolutionary new approach to medicine and well-being. The body’s ability to fight disease and heal itself is one of the great mysteries and marvels of nature. But in recent years, painstaking research has resulted in major advances in our grasp of this breathtakingly beautiful inner world: a vast and intricate network of specialist cells, regulatory proteins, and dedicated genes that are continually protecting our bodies. Far more powerful than any medicine ever invented, the immune system plays a crucial role in our daily lives. We have found ways to harness these natural defenses to create breakthrough drugs and so-called immunotherapies that help us fight cancer, diabetes, arthritis, and many age-related diseases, and we are starting to understand whether activities such as mindfulness might play a role in enhancing our physical resilience. Written by a researcher at the forefront of this adventure, The Beautiful Cure tells a dramatic story of scientific detective work and discovery, of puzzles solved and mysteries that li...

Immunization

Immunization: As the world pins its hope for the end of the coronavirus pandemic to the successful rollout of vaccines, this book offers a vital long view of such efforts—and our resistance to them.   At a time when vaccines are a vital tool in the fight against COVID-19 in all its various mutations, this hard-hitting book takes a longer historical perspective. It argues that globalization and cuts to healthcare have been eroding faith in the institutions producing and providing vaccines for more than thirty years. It tells the history of immunization from the work of early pioneers such as Louis Pasteur and Robert Koch through the eradication of smallpox in 1980, to the recent introduction of new kinds of genetically engineered vaccines. Immunization exposes the limits of public health authorities while suggesting how they can restore our confidence. Public health experts and all those considering vaccinations should read this timely history.

Breathing

Breathing: Our knowledge of breathing has shaped our social history and philosophical beliefs since prehistory. Breathing occupied a spiritual status for the ancients, while today it is central to the practice of many forms of meditation, like Yoga. Over time physicians, scientists, and engineers have pieced together the intricate biological mechanisms of breathing to devise ever more sophisticated devices to support and maintain breathing indefinitely, from iron lungs to the modern ventilator. Breathing supplementary oxygen has allowed us to conquer Everest, travel to the Moon, and dive to ever greater ocean depths. We all expect to breathe fresh and clean air, but with an increase in air pollution that expectation is no longer being met. Today, respiratory viruses like COVID-19 are causing disasters both human and economical on a global scale. This is the story of breathing—a tale relevant to everyone.

Viral Economies

Viral Economies: Over the last decade, infectious disease outbreaks have heightened fears of a catastrophic pandemic passing from animals to humans. From Ebola and bird flu to swine flu and MERS, zoonotic viruses are killing animals and wreaking havoc on the people living near them. Given this clear correlation between animals and viral infection, why are animals largely invisible in social science accounts of pandemics, and why do they remain marginal in critiques of global public health?   In Viral Economies, Natalie Porter draws from long-term research on bird flu in Vietnam to chart the pathways of scientists, NGO workers, state veterinarians, and poultry farmers as they define and address pandemic risks. Porter argues that as global health programs expand their purview to include life and livestock, they weigh the interests of public health against those of commercial agriculture, rural tradition, and scientific innovation. Porter challenges human-centered analyses of pandemics and shows how dynamic and often dangerous human-animal relations take on global significance as poultry and their pathogens travel through global livestock economies and transnational health networks. Viral Economies urges readers to think critically about the ideas, relationships, and practices that produce our everyday commodities, and that shape how we determine the value of life—both human and nonhuman.

Big Med

Big Med: There is little debate that health care in the United States is in need of reform. But where should those improvements begin? With insurers? Drug makers? The doctors themselves? In Big Med, David Dranove and Lawton Robert Burns argue that we’re overlooking the most ubiquitous cause of our costly and underperforming system: megaproviders, the expansive health care organizations that have become the face of American medicine. Your local hospital is likely part of one. Your doctors, too. And the megaproviders are bad news for your health and your wallet. Drawing on decades of combined expertise in health care consolidation, Dranove and Burns trace Big Med’s emergence in the 1990s, followed by its swift rise amid false promises of scale economies and organizational collaboration. In the decades since, megaproviders have gobbled up market share and turned independent physicians into salaried employees of big bureaucracies, while delivering on none of their early promises. For patients this means higher costs and lesser care. Meanwhile, physicians report increasingly low morale, making it all but impossible for most systems to implement meaningful reforms. In Big Med, Dranove and Burns combine their respective skills in economics and management to provide a nuanced explanation of how the provision of health care has been corrupted and submerged under consolidation. They offer practical recommendations for improving competition policies that would reform megaproviders to actually ach...

A Planet of Viruses

A Planet of Viruses: In 2020, an invisible germ—a virus—wholly upended our lives. We’re most familiar with the viruses that give us colds or Covid-19. But viruses also cause a vast range of other diseases, including one disorder that makes people sprout branch-like growths as if they were trees. Viruses have been a part of our lives for so long that we are actually part virus: the human genome contains more DNA from viruses than our own genes. Meanwhile, scientists are discovering viruses everywhere they look: in the soil, in the ocean, even in deep caves miles underground.   Fully revised and updated, with new illustrations and a new chapter about coronaviruses and the spread of Covid-19, this third edition of Carl Zimmer’s A Planet of Viruses pulls back the veil on this hidden world. It presents the latest research on how viruses hold sway over our lives and our biosphere, how viruses helped give rise to the first life-forms, how viruses are producing new diseases, how we can harness viruses for our own ends, and how viruses will continue to control our fate as long as life endures.

How to Make a Vaccine

How to Make a Vaccine: Distinguished expert in vaccine development John Rhodes tells the story of the first approved COVID-19 vaccines and offers an essential, up-to-the-minute primer on how scientists discover, test, and distribute vaccines. As the COVID-19 pandemic has affected every corner of the world, changing our relationship to our communities, to our jobs, and to each other, the most pressing question has been—when will it end? Researchers around the globe are urgently trying to answer this question by racing to test and distribute a vaccine that could end the greatest public health threat of our time.  In How to Make a Vaccine, an expert who has firsthand experience developing vaccines tells an optimistic story of how three hundred years of vaccine discovery and a century and a half of immunology research have come together at this powerful moment—and will lead to multiple COVID-19 vaccines. Dr. John Rhodes draws on his experience as an immunologist, including working alongside a young Anthony Fauci, to unravel the mystery of how vaccines are designed, tested, and produced at scale for global deployment. Concise and accessible, this book describes in everyday language how the immune system evolved to combat infection, how viruses responded by evolving ways to evade our defenses, and how vaccines do their work. That history, and the pace of current research developments, make Rhodes hopeful that multiple vaccines will protect us. Today the complex workings of the imm...

Gathering Medicines

Gathering Medicines: In the early 2000s, the central government of China encouraged all of the nation’s registered minorities to “salvage, sort, synthesize, and elevate” folk medical knowledges in an effort to create local health care systems comparable to the nationally supported institutions of traditional Chinese medicine. Gathering Medicines bears witness to this remarkable moment of knowledge development while sympathetically introducing the myriad therapeutic traditions of southern China.   Over a period of six years, Judith Farquhar and Lili Lai worked with seven minority nationality groups in China’s southern mountains, observing how medicines were gathered and local healing systems codified. Gathering Medicines shares their intimate view of how people understand ethnicity, locality, the body, and nature. This ethnography of knowledge diversities in multiethnic China is a testament to the rural wisdom of mountain healers, one that theorizes, from the ground up, the dynamic encounters between formal statist knowledge and the popular authority of the wild.

The Poison Trials

The Poison Trials: In 1524, Pope Clement VII gave two condemned criminals to his physician to test a promising new antidote. After each convict ate a marzipan cake poisoned with deadly aconite, one of them received the antidote, and lived—the other died in agony. In sixteenth-century Europe, this and more than a dozen other accounts of poison trials were committed to writing. Alisha Rankin tells their little-known story. At a time when poison was widely feared, the urgent need for effective cures provoked intense excitement about new drugs. As doctors created, performed, and evaluated poison trials, they devoted careful attention to method, wrote detailed experimental reports, and engaged with the problem of using human subjects for fatal tests. In reconstructing this history, Rankin reveals how the antidote trials generated extensive engagement with “experimental thinking” long before the great experimental boom of the seventeenth century and investigates how competition with lower-class healers spurred on this trend. The Poison Trials sheds welcome and timely light on the intertwined nature of medical innovations, professional rivalries, and political power.

Epidemic Empire

Epidemic Empire: Terrorism is a cancer, an infection, an epidemic, a plague. For more than a century, this metaphor has figured insurgent violence as contagion in order to contain its political energies. In Epidemic Empire, Anjuli Fatima Raza Kolb shows that this trope began in responses to the Indian Mutiny of 1857 and tracks its tenacious hold through 9/11 and beyond. The result is the first book-length study to approach the global War on Terror from a postcolonial literary perspective. Raza Kolb assembles a diverse archive from colonial India, imperial Britain, French and independent Algeria, the postcolonial Islamic diaspora, and the neoimperial United States. Anchoring her book are studies of four major writers in the colonial-postcolonial canon: Rudyard Kipling, Bram Stoker, Albert Camus, and Salman Rushdie. Across these sources, she reveals the tendency to imagine anticolonial rebellion, and Muslim insurgency specifically, as a virulent form of social contagion. Exposing the long history of this broken but persistent narrative, Epidemic Empire is a major contribution to the rhetorical history of our present moment.

Science in the Forest, Science in the Past

Science in the Forest, Science in the Past: This collection brings together leading anthropologists, historians, philosophers, and artificial-intelligence researchers to discuss the sciences and mathematics used in various Eastern, Western, and Indigenous societies, both ancient and contemporary. The authors analyze prevailing assumptions about these societies and propose more faithful, sensitive analyses of their ontological views about reality—a step toward mutual understanding and translatability across cultures and research fields. Science in the Forest, Science in the Past is a pioneering interdisciplinary exploration that will challenge the way readers interested in sciences, mathematics, humanities, social research, computer sciences, and education think about deeply held notions of what constitutes reality, how it is apprehended, and how to investigate it.

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Why Study Biology by the Sea?

Why Study Biology by the Sea?: For almost a century and a half, biologists have gone to the seashore to study life. The oceans contain rich biodiversity, and organisms at the intersection of sea and shore provide a plentiful sampling for research into a variety of questions at the laboratory bench: How does life develop and how does it function? How are organisms that look different related, and what role does the environment play? From the Stazione Zoologica in Naples to the Marine Biological Laboratory in Woods Hole, the Amoy Station in China, or the Misaki Station in Japan, students and researchers at seaside research stations have long visited the ocean to investigate life at all stages of development and to convene discussions of biological discoveries. Exploring the history and current reasons for study by the sea, this book examines key people, institutions, research projects, organisms selected for study, and competing theories and interpretations of discoveries, and it considers different ways of understanding research, such as through research repertoires. A celebration of coastal marine research, Why Study Biology by the Sea? reveals why scientists have moved from the beach to the lab bench and back.

Patterns in Nature

Patterns in Nature: Though at first glance the natural world may appear overwhelming in its diversity and complexity, there are regularities running through it, from the hexagons of a honeycomb to the spirals of a seashell and the branching veins of a leaf. Revealing the order at the foundation of the seemingly chaotic natural world, Patterns in Nature explores not only the math and science but also the beauty and artistry behind nature’s awe-inspiring designs. Unlike the patterns we create in technology, architecture, and art, natural patterns are formed spontaneously from the forces that act in the physical world. Very often the same types of pattern and form – spirals, stripes, branches, and fractals, say—recur in places that seem to have nothing in common, as when the markings of a zebra mimic the ripples in windblown sand. That’s because, as Patterns in Nature shows, at the most basic level these patterns can often be described using the same mathematical and physical principles: there is a surprising underlying unity in the kaleidoscope of the natural world. Richly illustrated with 250 color photographs and anchored by accessible and insightful chapters by esteemed science writer Philip Ball, Patterns in Nature reveals the organization at work in vast and ancient forests, powerful rivers, massing clouds, and coastlines carved out by the sea.   By exploring similarities such as those between a snail shell and the swirling stars of a galaxy, or t...

The Beautiful Cure

The Beautiful Cure: “Visceral.”—Wall Street Journal     “Illuminating.”—Publishers Weekly     “Heroic.”—Science The immune system holds the key to human health. In The Beautiful Cure, leading immunologist Daniel M. Davis describes how the scientific quest to understand how the immune system works—and how it is affected by stress, sleep, age, and our state of mind—is now unlocking a revolutionary new approach to medicine and well-being. The body’s ability to fight disease and heal itself is one of the great mysteries and marvels of nature. But in recent years, painstaking research has resulted in major advances in our grasp of this breathtakingly beautiful inner world: a vast and intricate network of specialist cells, regulatory proteins, and dedicated genes that are continually protecting our bodies. Far more powerful than any medicine ever invented, the immune system plays a crucial role in our daily lives. We have found ways to harness these natural defenses to create breakthrough drugs and so-called immunotherapies that help us fight cancer, diabetes, arthritis, and many age-related diseases, and we are starting to understand whether activities such as mindfulness might play a role in enhancing our physical resilience. Written by a researcher at the forefront of this adventure, The Beautiful Cure tells a dramatic story of scientific detective work and discovery, of puzzles solved and mysteries that li...