“A book that makes familiar drinks seem new again . . . Through this horticultural lens, a mixed drink becomes a cornucopia of plants.”—NPR's Morning Edition
“Amy Stewart has a way of making gardening seem exciting, even a little dangerous.” —The New York Times
Sake began with a grain of rice. Scotch emerged from barley, tequila from agave, rum from sugarcane, bourbon from corn. Thirsty yet? In The Drunken Botanist, Amy Stewart explores the dizzying array of herbs, flowers, trees, fruits, and fungi that humans have, through ingenuity, inspiration, and sheer desperation, contrived to transform into alcohol over the centuries.
Of all the extraordinary and obscure plants that have been fermented and distilled, a few are dangerous, some are downright bizarre, and one is as ancient as dinosaurs—but each represents a unique cultural contribution to our global drinking traditions and our history.
This fascinating concoction of biology, chemistry, history, etymology, and mixology—with more than fifty drink recipes and growing tips for gardeners—will make you the most popular guest at any cocktail party.
This edition includes greatly expanded focus on stem cells, including adult and embryonic stem cells and progenitor populations that may soon lead to new tissue engineering therapies for heart disease, diabetes, and a wide variety of other diseases that afflict humanity. This up-to-date coverage of stem cell biology and other emerging technologies is complemented by a series of new chapters on recent clinical experience in applying tissue engineering. The result is a comprehensive textbook that we believe will be useful to students and experts alike.
New to this edition:
*Includes new chapters on biomaterial-protein interactions, nanocomposite and three-dimensional scaffolds, skin substitutes, spinal cord, vision enhancement, and heart valves
*Expanded coverage of adult and embryonic stem cells of the cardiovascular, hematopoietic, musculoskeletal, nervous, and other organ systems
The new fourth edition has been thoroughly revised and updated to reflect the many advances in science and technology, including the five accepted sequential stages of micropropagation. Ten new plants have been added. This in turn has greatly expanded the already extensive bibliography. Among the new topics that have been introduced or expanded on are embryo culture for breeding, somaclonal variation, anther culture, somatic embryogenesis, cryopreservation, and genetic engineering. More ornamental plant examples are given and many new illustrations provided, including a chronology of discoveries in micropropagation.
This could be a description of a human army. It happens, however, to be a description of an army of cancer cells. Most of us shrink from describing bacteria and other microorganisms as intelligent. Neurosurgeon Frank Vertosick does not. And perhaps, when you finish reading MIND: A UNIFIED THEORY OF LIFE AND INTELLIGENCE, you will not either.
What is intelligence? We define it in human terms, but are humans the only measure? We ascribe it to higher mammals and to social insects like bees and ants, but when we cross the threshold into cellular life, definitions blur. This revolutionary–but accessible and highly entertaining–exploration of intelligence is guaranteed to alter your appreciation of life on its most fundamental level.
Frank T. Vertosick, J.R., M.D. is the author of WHEN AIR HITS YOUR BRAIN and WHY WE HURT: THE NATURAL HISTORY OF PAIN
(Originally published as THE GENIUS WITHIN)
The Fourth Edition has been thoroughly revised, and covers the latest developments in this fast-moving field, yet retains the academic level and length of the previous edition. The book is accompanied by a rich package of online student and instructor resources, including over 130 narrated movies, an expanded and updated Question Bank.
Essential Cell Biology, Fourth Edition is additionally supported by the Garland Science Learning System. This homework platform is designed to evaluate and improve student performance and allows instructors to select assignments on specific topics and review the performance of the entire class, as well as individual students, via the instructor dashboard. Students receive immediate feedback on their mastery of the topics, and will be better prepared for lectures and classroom discussions. The user-friendly system provides a convenient way to engage students while assessing progress. Performance data can be used to tailor classroom discussion, activities, and lectures to address students’ needs precisely and efficiently. For more information and sample material, visit http://garlandscience.rocketmix.com/.
In 1637, one Dutchman paid as much for a single tulip bulb as the going price of a town house in Amsterdam. Three and a half centuries later, Amsterdam is once again the mecca for people who care passionately about one particular plant—though this time the obsessions revolves around the intoxicating effects of marijuana rather than the visual beauty of the tulip. How could flowers, of all things, become such objects of desire that they can drive men to financial ruin?
In The Botany of Desire, Michael Pollan argues that the answer lies at the heart of the intimately reciprocal relationship between people and plants. In telling the stories of four familiar plant species that are deeply woven into the fabric of our lives, Pollan illustrates how they evolved to satisfy humankinds’s most basic yearnings—and by doing so made themselves indispensable. For, just as we’ve benefited from these plants, the plants, in the grand co-evolutionary scheme that Pollan evokes so brilliantly, have done well by us. The sweetness of apples, for example, induced the early Americans to spread the species, giving the tree a whole new continent in which to blossom. So who is really domesticating whom?
Weaving fascinating anecdotes and accessible science into gorgeous prose, Pollan takes us on an absorbing journey that will change the way we think about our place in nature.
From the Hardcover edition.
Beginning with simple theoretical models and experimental techniques, the book develops the complete repertoire of theoretical principles and experimental techniques necessary for understanding and implementing the most sophisticated NMR experiments.
Important new techniques and applications of NMR spectroscopy have emerged since the first edition of this extremely successful book was published in 1996. This updated version includes new sections describing measurement and use of residual dipolar coupling constants for structure determination, TROSY and deuterium labeling for application to large macromolecules, and experimental techniques for characterizing conformational dynamics. In addition, the treatments of instrumentation and signal acquisition, field gradients, multidimensional spectroscopy, and structure calculation are updated and enhanced.
The book is written as a graduate-level textbook and will be of interest to biochemists, chemists, biophysicists, and structural biologists who utilize NMR spectroscopy or wish to understand the latest developments in this field.Provides an understanding of the theoretical principles important for biological NMR spectroscopyDemonstrates how to implement, optimize and troubleshoot modern multi-dimensional NMR experimentsAllows for the capability of designing effective experimental protocols for investigations of protein structures and dynamicsIncludes a comprehensive set of example NMR spectra of ubiquitin provides a reference for validation of experimental methods
Two patients—each known in medical history as the Berlin Patient—were cured of the HIV virus. The two patients’ disparate cures came twelve years apart, but Nathalia Holt, an award-winning scientist at the forefront of HIV research, connects the molecular dots of these cases for the first time.
Scientists are known to maintain a professional distance from those they study, but sometimes scientists are not just investigators, they are caregivers, too. Cured illustrates that even in the era of high-tech and big pharma, the way doctors and patients communicate remains a critical ingredient in the advance of this science. Holt offers a kind of hope that the thirty-four million people currently infected with HIV need and a story of ingenuity, dedication, and humanity that will inspire the rest of us.
The entire illustration program has been greatly enhanced.Protein structures better illustrate structure–function relationships, icons are simpler and more consistent within and between chapters, and micrographs have been refreshed and updated with newer, clearer, or better images. As a new feature, each chapter now contains intriguing openended questions highlighting “What We Don’t Know,” introducing students to challenging areas of future research. Updated end-of-chapter problems reflect new research discussed in the text, and these problems have been expanded to all chapters by adding questions on developmental biology, tissues and stem cells, pathogens, and the immune system.
This thoroughly revised version includes chapters on general physiology as well as cardiovascular, respiratory, renal, gastrointestinal, endocrine, central nervous system, and integrative physiology. It contains clinical notes, chapter outlines with page numbers, 2-color figures throughout, and new chapters on Exercise, Diabetic Ketoacidosis, and Maternal Adaptations in Pregnancy.
Among the contributors to this indispensible textbook are leading physiologists Leonard R. Johnson, Stanley G. Schultz, H. Maurice Goodman, John H. Byrne, Norman W. Weisbrodt, James M. Downey, D. Neil Granger, Frank L. Powell, Jr., James A. Schafer, and Dianna A. Johnson.
This text is recommended for medical, graduate, and advanced undergraduate students studying physiology, physicians, and clinical specialists as well as anyone interested in basic human physiology.* Includes clinical notes
* "Key Points" summarize most important information
* Contains chapter outlines with page numbers
* 2-color figures throughout
* New chapters on Exercise, Diabetic Ketoacidosis, and Maternal Adaptations in Pregnancy
The vast majority of medically important pathogens infect their host across a body surface such as the skin, or across a mucosal tissue such as the respiratory tract or intestines, as these sites are the ones exposed to the external environment. By focusing on immunity at mucosal and body surfaces this book presents a fresh, new approach to the teaching of immunology.
After an introduction to the basic structure of the immune system, the book looks at two important families of signalling molecules: cytokines and chemokines, before covering the workings of the mucosal immune system. It continues by examining immunity against the four major groups of pathogens - viruses, bacteria, fungi and parasites, and concludes by looking at disorders of the immune system, mucosal tumour immunology and the process of vaccination.A fresh, new approach to the subject focusing on mucosal and body surfaces.Describes the mucosal immune systems of the gastrointestinal, respiratory and urogenital tracts, as well as the skin.Details the important roles of cytokines and chemokines in an immune response.Separate chapters devoted to immunity against viruses, bacteria, fungi and parasites.Includes chapter summaries, boxes with topics of special interest and an extensive glossary.Clearly written and well- illustrated in full colour throughout.
Students across a range of disciplines, including biology, biochemistry, biomedicine, medicine and veterinary sciences, will find this book invaluable, both as an introduction to basic immunology and as a guide to mucosal immune defence mechanisms.
Unfortunately, this has not eradicated reflux disease. It has just changed its nature. While heartburn, ulceration and strictures have become rare, reflux-induced adenocarcinoma of the esophagus is becoming increasingly common. Adenocarcinoma of the esophagus and gastric cardia is now the most rapidly increasing cancer type in the Western world.
The increasing incidence of esophageal adenocarcinoma has created an enormous interest and stimulus for research in this area. GERD brings together a vast amount of disparate literature and presents the entire pathogenesis of reflux disease in one place. In addition to providing a new concept of how gastroesophageal reflux causes cellular changes in the esophagus, GERD also offers a complete solution to a problem that has confused physicians for over a century. Both clinical and pathological information about reflux disease and its treatment are presented. GERD is meant to be used as a comprehensive reference for gastroenterologists, esophageal surgeons, and pathologists alike.Outlines how gastroesophageal reflux causes cellular changes in the esophagusBrings together the pathogenesis of the disease in one source and applies it toward clinical treatmentTom DeMeester is THE leading international expert on reflux disease; Parakrama Chandrasoma is one of the leading pathologists in the areaBook contains approximately 350 illustrationsAncillary web site features color illustrations: www.chandrasoma.com
Learn and review on the go! Use Quick
Review Biochemistry notes to help you learn or brush up on the
subject quickly. You can use the review notes as a reference, to understand the
subject better and improve your grades.
For advanced high school, college, nursing and medical students.
http://www.Examville.com - The Education Marketplace
NEW FOR THE SECOND EDITIONExpansion of many sections to include relevant information Addition of many new figures and re-drawing of other figures to update our understanding and clarify difficult areasSubstantial updating of the text to reflect newer research results Addition of several new appendices including statistics, nomenclature of transport carriers, and structural biology of important items such as the neuromuscular junction and calcium release unitAddition of new problems within the problem setsAddition of commentary to power point presentationsWinner of a 2018 Textbook Excellence Award (Texty) from the Textbook and Academic Authors Association
This edition includes greatly expanded focus on stem cells, including induced pluripotent stem (iPS) cells, stem cell niches, and blood components from stem cells. This research has already produced applications in disease modeling, toxicity testing, drug development, and clinical therapies. This up-to-date coverage of stem cell biology and other emerging technologies –such as brain-machine interfaces for controlling bionics and neuroprostheses– is complemented by a series of new and updated chapters on recent clinical experience in applying tissue engineering, as well as a new section on the application of tissue-engineering techniques for food production. The result is a comprehensive textbook that will be useful to students and experts alike.Includes new chapters on biomaterial-protein interactions, nanocomposite and three-dimensional scaffolds, skin substitutes, spinal cord, vision enhancement, and heart valvesOffers expanded coverage of adult and embryonic stem cells of the cardiovascular, hematopoietic, musculoskeletal, nervous, and other organ systemsFull-color presentation throughout
"A very well-written book suitable for use as a reference ortextbook for an undergraduate subject in cell signalling. Forresearchers interested in the molecular basis of cell signallingand how aberrant regulation of cell signalling proteins causesdiseases, this is an excellent resource of biochemical andstructural information." –Australian Biochemist, August2009
"From basics to details, this is an elegantly written andcarefully edited book. The chapters on cell cycle control andoncogenesis are particularly fascinating and valuable to biomedicalresearch. This is the book to have if you are interested inmolecular mechanisms of signal transduction. It is a greatintroduction to the literature that will be welcomed by studentsand experts alike." –Doody's, January 2009
This text is a concise and accessible introduction to thedynamic but complex field of signal transduction. Rather thansimply cataloguing all signalling molecules and delineating everyknown pathway, this book aims to break signalling down into commonelements and activities – the ‘nuts and bolts’ ofcellular information exchange.
With an emphasis on clarity of presentation throughout, the bookteaches the basic principles focusing on a mature core ofknowledge, providing students with a foundation of learning in thiscomplex and potentially confusing subject. It also addresses theissue of variation in the numbering of key amino acids as well asfeaturing interaction with RasMol software, and exercises to aidunderstanding.An accessible introduction to the complex field of cellsignallingInteracts with RasMol software – freely downloadable forviewing structures in 3DIncludes exercises and clear instructions in the use ofRasMolWell illustrated in full colour throughout
Structure and Function in Cell Signalling is aninvaluable resource to students across a range of life sciencedegree programmes including biochemistry, cell and molecularbiology, physiology, biomedicine and oncology. This book provides aclear, accessible introduction to this rapidly expanding field.
Life is the most extraordinary phenomenon in the known universe; but how did it come to be? Even in an age of cloning and artificial biology, the remarkable truth remains: nobody has ever made anything living entirely out of dead material. Life remains the only way to make life. Are we still missing a vital ingredient in its creation?
Using first-hand experience at the cutting edge of science, Jim Al-Khalili and Johnjoe Macfadden reveal that missing ingredient to be quantum mechanics. Drawing on recent ground-breaking experiments around the world, each chapter in Life on the Edge illustrates one of life's puzzles: How do migrating birds know where to go? How do we really smell the scent of a rose? How do our genes copy themselves with such precision? Life on the Edge accessibly reveals how quantum mechanics can answer these probing questions of the universe.
Guiding the reader through the rapidly unfolding discoveries of the last few years, Al-Khalili and McFadden describe the explosive new field of quantum biology and its potentially revolutionary applications, while offering insights into the biggest puzzle of all: what is life? As they brilliantly demonstrate in these groundbreaking pages, life exists on the quantum edge.
– Winner, Stephen Hawking Medal for Science Communication
In addition to a number of informative changes to the textthroughout the book, the final four chapters have beensignificantly updated and extended to reflect the striking advancesmade in recent years in the applications of gene cloning and DNAanalysis in biotechnology.
Gene Cloning and DNA Analysis remains an essentialintroductory text to a wide range of biological sciences students;including genetics and genomics, molecular biology, biochemistry,immunology and applied biology. It is also a perfect introductorytext for any professional needing to learn the basics of thesubject. All libraries in universities where medical, life andbiological sciences are studied and taught should have copiesavailable on their shelves.
"… the book content is elegantly illustrated and wellorganized in clear-cut chapters and subsections… there is aFurther Reading section after each chapter that contains severalkey references… What is extremely useful, almost everyreference is furnished with the short but distinct author'sremark."
–Journal of Heredity, 2007 (on the previousedition)
Oncologists, cancer researchers, and nutritionists are separated by divergent skills and professional disciplines that need to be bridged in order to advance preventative as well as treatment strategies. While oncologists and cancer researchers may study the underlying pathogenesis of cancer, they are less likely to be conversant in the science of nutrition and dietetics. On the other hand, nutritionists and dietitians are less conversant with the detailed clinical background and science of oncology. This book addresses this gap and brings each of these disciplines to bear on the processes inherent in the oxidative stress of cancer.Nutritionists can apply information related to mitochondrial oxidative stress in one disease to diet-related strategies in another unrelated disease Dietitians can prescribe new foods or diets containing anti-oxidants for conditions resistant to conventional pharmacological treatments Dietitians, after learning about the basic biology of oxidative stress, will be able to suggest new treatments to their multidisciplinary teamsNutritionists and dietitians will gain an understanding of cell signaling, and be able to suggest new preventative or therapeutic strategies with anti-oxidant rich foods
It is not yet possible to give a complete account of the relations between the organelles of two compartments and of the mechanisms by which some degree of order is maintained in the cell as a whole. However, a new breed of scientists, known as molecular cell biologists, have already contributed in some measure to our understanding of several biological phenomena notably interorganelle communication. Take, for example, intracellular membrane transport: it can now be expressed in terms of the sorting, targeting, and transport of protein from the endoplasmic reticulum to another compartment.
This volume contains the first ten chapters on the subject of organelles. The remaining four are in Volume 3, to which sections on organelle disorders and the extracellular matrix have been added.
Developed at MIT in collaboration with award-winning high school teachers, BioBuilder teaches the foundational ideas of the emerging synthetic biology field, as well as key aspects of biological engineering that researchers are exploring in labs throughout the world. These lessons will empower teachers and students to explore and be part of solving persistent real-world challenges.Learn the fundamentals of biodesign and DNA engineeringExplore important ethical issues raised by examples of synthetic biologyInvestigate the BioBuilder labs that probe the design-build-test cycleTest synthetic living systems designed and built by engineersMeasure several variants of an enzyme-generating genetic circuitModel "bacterial photography" that changes a strain’s light sensitivityBuild living systems to produce purple or green pigmentOptimize baker’s yeast to produce ?-carotene
* Thoroughly revised and expanded by over 30% with 3400 new entries
* Expanded coverage of areas greatly impacted by genomics
* Includes new terms that relate to the recent elucidation of underlying mechanisms of cell cycle regulation, apoptosis, relationship between mitochondria and disease, metabolic control, and stem cell biology
* Consistently provides the most complete short definitions of technical terminology for anyone working in life sciences today
* Extensively cross-referenced
* Provides multiple definitions, notes on word origins, and other useful features
The latest developments in the field are included and key concepts introduced in a user-friendly way to ensure that students are able to grasp the essentials before moving on to more advanced study and analysis of proteins.
An invaluable resource for students of Biochemistry, Molecular Biology, Medicine and Chemistry providing a modern approach to the subject of Proteins.
The book is professionally illustrated in four color throughout with beautiful artwork which by itself distinguish the title from any comparable title.
All of the core bioscience laboratory techniques are coveredincluding: basic calculations and the preparation of solutions;aseptic techniques; microscopy techniques; cell fractionation ;spectrophotometry; chromatography of small and large molecules:electrophoresis of proteins and nucleic acids and data analysis. Inaddition the book includes clear, relevant diagrams and workedexamples of calculations.
In short, this is a 'must-have' for all first year biosciencestudents struggling to get to grips with this vitally importantelement of their course.
This book provides a comprehensive guide to the methodology involved in the development of cell lines and the cell engineering approach that can be employed to enhance productivity, improve cell function, glycosylation and secretion and control apoptosis. It presents an overall picture of the current topics central to expression engineering including such topics as epigenetics and the use of technologies to overcome positional dependent inactivation, the use of promoter and enhancer sequences for expression of various transgenes, site directed engineering of defined chromosomal sites, and examination of the role of eukaryotic nucleus as the controller of expression of genes that are introduced for production of a desired product. It includes a review of selection methods for high producers and an application developed by a major biopharmaceutical industry to expedite the cell line development process. The potential of cell engineering approch to enhance cell lines through the manipulation of single genes that play important roles in key metabolic and regulatory pathways is also explored throughout.
Stem Cell Research For Dummies offers a balanced,plain-English look at this politically charged topic, cutting awaythe hype and presenting the facts clearly for you, free fromdebate. It explains what stem cells are and what they do, thelegalities of harvesting them and using them in research, thelatest research findings from the U.S. and abroad, and theprospects for medical stem cell therapies in the short and longterm.Explains the differences between adult stem cells andembryonic/umbilical cord stem cellsProvides both sides of the political debate and the pros andcons of each side's opinionsIncludes medical success stories using stem cell therapy andits promise for the future
Comprehensive and unbiased, Stem Cell Research ForDummies is the only guide you need to understand this volatileissue.
Includes New and Updated Material
Now in its second edition, this work is the culmination of research and discussions with technical experts, as well as USP and FDA representatives on various topics of interest to the pharmaceutical microbiologist and those responsible for the microbial quality of products, materials, equipment, and manufacturing facilities. New in this edition is an entire chapter dedicated to the topic of biofilms and their impact on pharmaceutical and biopharmaceutical operations. The subject of rapid methods in microbiology has been expanded and includes a discussion on the validation of alternative microbiological methods and a case study on microbial identification in support of a product contamination investigation.
Substantially updated and revised, this book assists readers in understanding the fundamental issues associated with pharmaceutical microbiology and provides them with tools to create effective microbial contamination control and microbial testing programs for the areas under their responsibility.
De-extinction – the ability to bring extinct species back to life – is fast becoming reality. Around the globe, scientists are trying to de-extinct all manner of animals, including the woolly mammoth, the passenger pigeon and a bizarre species of flatulent frog. But de-extinction is more than just bringing back the dead. It's a science that can be used to save species, shape evolution and sculpt the future of life on our planet.
In Bring Back the King, scientist and comedy writer Helen Pilcher goes on a quest to identify the perfect de-extinction candidate. Along the way, she asks if Elvis could be recreated from the DNA inside a pickled wart, investigates whether it's possible to raise a pet dodo, and considers the odds of a 21st century Neanderthal turning heads on public transport.
Pondering the practicalities and the point of de-extinction, Bring Back the King is a witty and wry exploration of what is bound to become one of the hottest topics in conservation – if not in science as a whole – in the years to come. READ THIS BOOK – the King commands it.
Contributions come from leading voices in the field, including: - Shinya Yamanaka, Recipient of the 2012 Nobel Prize for Physiology or Medicine, Recipient of the 2012 Millennium Technology Prize, Professor and Director of the Center for iPS Cell Research and Application at Kyoto University, Senior Investigator at the Gladstone Institute of Cardiovascular Disease, L.K. Whittier Foundation Investigator in Stem Cell Biology and Professor at the University of California, San Francisco - George Q. Daley, Samuel E. Lux IV Professor of Hematology/Oncology at Harvard Medical School and Director for the Stem Cell Transplantation Program at Boston Children’s Hospital - Irving Weissman, Member of National Academy of Sciences, Virgina & D.K Ludwig Professor for Clinical Investigation in Cancer Research, and Director for Institute of Stem Cell Biology and Regenerative Medicine at Stanford University of Medicine
Cell Press Reviews: Stem Cells to Model and Treat Disease is part of the Cell Press Reviews series, which features reviews published in Cell Press primary research and Trends reviews journals.Provides timely overviews on a wide range of stem cell applicationsOffers insight from experts on the key opportunities and challenges facing the fieldFeatures reviews on genetic, cellular, and molecular aspects of stem-cell-based applicationsIncludes articles originally published in Cell, Cell Stem Cell, Neuron, Trends in Molecular Medicine, and Trends in Biotechnology
Science is on the cusp of a revolutionary breakthrough. We now understand more about aging—and how to prevent and reverse it—than ever before.
In recent years, our understanding of the nature of aging has grown exponentially, and dramatic life extension—even age reversal—has moved from science fiction to real possibility.
Dr. Michael Fossel has been in the forefront of aging research for decades and is the author of the definitive textbook on human aging. In The Telomerase Revolution, he takes us on a detailed but highly accessible scientific journey, providing startling insights into the nature of human aging.
Twenty years ago, there was still considerable debate of the nature of human aging, with a variety of competing theories in play. But scientific consensus is forming around the telomere theory of aging. The essence of this theory is that human aging is the result of cellular aging. Every time a cell reproduces, its telomeres (the tips of the chromosomes) shorten. With every shortening of the telomeres, the cell’s ability to repair its molecules decreases. It ages. Human aging is the result of the aging of the body’s trillions of cells.
But some of our cells don’t age. Sex cells and stem cells can reproduce indefinitely, without aging, because they create telomerase. Telomerase re-lengthens the telomeres, keeping these cells young.
The Telomerase Revolution describes how telomerase will soon be used as a powerful therapeutic tool, with the potential to dramatically extend life spans and even reverse human aging. Telomerase-based treatments are already available, and have shown early promise, but much more potent treatments will become available over the next decade.
The Telomerase Revolution is the definitive work on the latest science on human aging, covering both the theory and the clinical implications. It takes the reader to the forefront of the upcoming revolution in human medicine.
With its clear, concise and reader-friendly format this book has all the potential to become the Bible of skin aging. Every specialist interested in dermatology, aesthetic medicine, cosmetic science, cutaneous biology and aging research will find indispensable information of great value for his or her daily work.